Ferrochrome Nitride
The Nickel-Replacement Ace
Nitrogen expands the austenite region 30 times more effectively than nickel. With chromium ≥60% and nitrogen up to 10%, ferrochrome nitride delivers dual-alloy steelmaking in a single addition — slashing raw-material cost while keeping austenite stable in stainless and special steels.
Product Overview
Ferrochrome Nitride for Sale
Ferrochrome nitride (FeNCr) is a chromium–nitrogen alloy produced by high-temperature solid-state nitriding of ferrochrome. It carries chromium (≥60%) and tightly controlled nitrogen (3–10%) in one material.
Its superpower is the austenite-stabilizing power of nitrogen: one kilogram of nitrogen does the austenite work of roughly 30 kg of nickel. That makes FeNCr the most cost-effective route to nickel reduction in stainless and special steels — while also strengthening the steel through four distinct mechanisms.
FeNCr is added directly in electric-arc furnaces and oxygen converters for nitrogen-containing steel, in 200- and 300-series stainless for nickel replacement, and in heat-resistant, corrosion-resistant, and alloy special steels for high-strength, high-toughness performance.
Austenite Stabilizer
Nitrogen locks the austenite phase at lower temperatures — the same job nickel does, 30× more efficiently.
Cr + N Dual Alloying
One addition supplies both chromium and nitrogen, eliminating separate ferrochrome and nitrogen additions.
Cost Slasher
Replaces costly, volatile nickel with stable, low-cost N₂ gas — cutting alloy spend by 20%+.
High-N Delivery
Reliable nitrogen source for high-nitrogen stainless (frontier: 0.85% N via atmospheric smelting).
Why FeNCr Wins
Three Reasons Mills Switch to Ferrochrome Nitride
Every FeNCr addition pays back through cheaper alloying, simpler logistics, and stronger steel — simultaneously.
01 / NICKEL REPLACEMENT
30× the Austenite Power of Nickel
Nitrogen expands the austenite region 30 times more effectively than nickel. At nickel prices of $15,000–30,000/ton, that ratio translates into massive, predictable savings on every heat.
1 kg N ≈ 30 kg Ni
02 / DUAL ALLOYING
Chromium & Nitrogen in One Addition
FeNCr delivers Cr (≥60%) and N (3–10%) together. No separate ferrochrome, no separate nitrogen addition — fewer alloys, less inventory, cleaner melt logistics.
2 elements, 1 alloy
03 / LOW MELTING POINT
~700°C Melts Fast, Dissolves Clean
With a melting point near 700°C — far below standard ferrochrome — FeNCr dissolves rapidly in the bath for uniform nitrogen distribution and consistent alloy recovery.
~700°C melt
6-Grade Classification
Six Standard Grades — Precision-Matched to Your Carbon Limit
FerrumX ferrochrome nitride comes in 6 standard grades across three carbon levels (0.03%, 0.06%, 0.10%) and two nitrogen types (Type A and Type B). Every grade delivers chromium ≥60% with controlled nitrogen, silicon, phosphorus, and sulfur.
FeNCr3-A
Carbon Limit: ≤0.03%
Type A — Remelted / No Absorbed N
Ultra-low-carbon grade for remelted products after nitriding. Ideal where the strictest carbon control is required.
FeNCr3-B
Carbon Limit: ≤0.03%
Type B — Fixed Nitrogen Alloy
Higher-nitrogen variant (5.0% min.) at ultra-low carbon. Fixed-nitrogen alloy for maximum austenite stabilization in critical stainless grades.
FeNCr6-A
Carbon Limit: ≤0.06%
Type A — Remelted / No Absorbed N
Mid-carbon remelted grade. Balanced carbon allowance with standard nitrogen for general-purpose nitrogen alloying.
FeNCr6-B
Carbon Limit: ≤0.06%
Type B — Fixed Nitrogen Alloy
Higher-nitrogen fixed-alloy grade at mid-carbon. Best value for stainless producers needing strong austenite stabilization with moderate carbon.
FeNCr10-A
Carbon Limit: ≤0.10%
Type A — Remelted / No Absorbed N
Highest-carbon-allowance remelted grade. Cost-effective where carbon tolerance is higher and nitrogen is the primary alloying objective.
FeNCr10-B
Carbon Limit: ≤0.10%
Type B — Fixed Nitrogen Alloy
Maximum nitrogen (5.0% min.) at the highest carbon tolerance. The workhorse grade for bulk stainless production prioritizes cost-efficiency and nitrogen delivery.
P ≤ 0.03%, S ≤ 0.04% for all grades. Type A applies to remelted products after nitriding; nitrogen excludes absorbed nitrogen. Type B applies to fixed-nitrogen alloys. By agreement, Type B with Si ≤ 3.0% may also be supplied.
Full Specification
Chemical & Physical Properties
The complete specification set for FerrumX ferrochrome nitride — from the six standard grades to optional high-nitrogen compositions agreed by negotiation.
| Grade | Cr (Min.) | N (Min.) | C (Max.) | Si (Max.) | P (Max.) | S (Max.) | Type |
|---|---|---|---|---|---|---|---|
| FeNCr3-A | 60% | 3.0% | 0.03% | 1.5% | 0.03% | 0.04% | Type A |
| FeNCr3-B | 60% | 5.0% | 0.03% | 2.5% | 0.03% | 0.04% | Type B |
| FeNCr6-A | 60% | 3.0% | 0.06% | 1.5% | 0.03% | 0.04% | Type A |
| FeNCr6-B | 60% | 5.0% | 0.06% | 2.5% | 0.03% | 0.04% | Type B |
| FeNCr10-A | 60% | 3.0% | 0.10% | 1.5% | 0.03% | 0.04% | Type A |
| FeNCr10-B | 60% | 5.0% | 0.10% | 2.5% | 0.03% | 0.04% | Type B |
| Alternative Chemical Compositions (by agreement) | |||||
|---|---|---|---|---|---|
| Cr | N | C | Si | P | S |
| 60–65% (Min.) | 8–10% | ≤0.10% | 1.5–2.5% | ≤0.03% | ≤0.04% |
| 60–65% (Min.) | 8–10% | ≤0.06% | 1.5–2.5% | ≤0.03% | ≤0.04% |
| 60–65% (Min.) | 8–10% | ≤0.03% | ≤1.0% | ≤0.03% | ≤0.04% |
Melting point: ~700°C. Delivery form: lump (each piece ≤5 kg) or ton bag; bulk available. Production per GB/T 4699.2-2025 with per-batch Cr/N/P/C/S analysis.
The Nickel-Replacement Effect
Nitrogen Expands Austenite 30× More Than Nickel
One of the most powerful levers in stainless metallurgy: nitrogen’s extraordinary ability to stabilize the austenite phase makes it the most cost-effective nickel replacement in the alloy designer’s arsenal.
30×
N vs Ni Austenite Expansion
1 kg of nitrogen replaces approximately 30 kg of nickel for austenite stabilization. Nitrogen atoms occupy interstitial sites in the FCC iron lattice, causing lattice expansion and stabilizing austenite at lower temperatures. This 30:1 ratio makes ferrochrome nitride one of the most cost-effective alloying approaches in modern steelmaking — especially with nickel at $15,000–30,000 per metric ton and subject to volatile supply.
| Factor | Nitrogen (N) | Nickel (Ni) | Ratio / Advantage |
|---|---|---|---|
| Austenite Expansion | 30× | 1× (baseline) | 30:1 — N dominant |
| Cost per Unit Effect | ~1/30 of nickel | Baseline | Massive savings |
| Strength Enhancement | ✓ (Solid solution + precipitation) | ✓ (Solid solution only) | N stronger (multiple mechanisms) |
| Corrosion Resistance | ✓ (Cr₂N/CrN formation) | ✓ | Both effective |
| Raw-Material Cost | Stable (N₂ gas) | Volatile ($15–30k/ton) | N far cheaper & predictable |
01
200 Series (Cr-Mn) — Complete Nickel Elimination
FeNCr enables full nickel replacement in 200-series Cr-Mn stainless steels. By substituting nitrogen (via FeNCr) for nickel, producers achieve equivalent austenite stability at a fraction of the cost. Cost reduction: 20% or more in total alloy cost. China and India lead adoption, with growing uptake across developing markets seeking cost-competitive stainless production.
02
300 Series (Cr-Mn-Ni) — Partial Nickel Substitution
For 300-series stainless (Cr-Mn-Ni), FeNCr partially substitutes nickel while maintaining 304/304LN-grade performance. The combined Cr+N addition stabilizes austenite and improves strength without sacrificing corrosion resistance. Savings: hundreds of dollars per tonne — a decisive edge where nickel is the single largest variable cost.
Nitrogen Strengthening
Four Ways Nitrogen Makes Steel Stronger
Nitrogen is not just a nickel replacement — it is one of the most effective strengthening elements in steel. Four distinct mechanisms operate simultaneously in nitrogen-alloyed steels.
Solid-Solution Strengthening
N atoms occupy interstitial sites in the iron lattice, causing lattice distortion that impedes dislocation movement — raising yield strength more effectively than carbon due to nitrogen’s stronger interaction with dislocations.
Grain Refinement
Fine nitride precipitates (CrN/Cr₂N) pin austenite grain boundaries during heating, preventing grain growth and producing a finer microstructure with improved strength and toughness.
Strain Hardening
Nitrogen promotes deformation twinning during cold working, increasing the work-hardening rate — achieving high strength while retaining good ductility, a rare combination in structural alloys.
Precipitation Hardening
Finely dispersed CrN and Cr₂N precipitates act as obstacles to dislocation motion, improving wear resistance and fatigue life in service.
Stainless Steel Applications
Where FeNCr Transforms Steelmaking Economics
From complete nickel elimination in 200-series to strategic partial substitution in 300-series, ferrochrome nitride powers the full spectrum of modern stainless production.
200 Series (Cr-Mn) Stainless Steel
N atoms occupy interstitial sites in the iron lattice, causing lattice distortion that impedes FeNCr completely replaces nickel in 200-series Cr-Mn stainless. The high nitrogen content stabilizes austenite while chromium (≥60%) provides the corrosion-resistance backbone. China and India — the world’s largest stainless producers — use this approach for cost-competitive, high-performance grades.
Cost reduction: 20%+ in alloy raw-material cost. Suited to kitchenware, architectural trim, and automotive trim where 304-equivalent corrosion resistance is not required.s dislocation movement — raising yield strength more effectively than carbon due to nitrogen’s stronger interaction with dislocations.
300 Series (Cr-Mn-Ni) Stainless Steel
FeNCr partially substitutes nickel in 300-series while maintaining 304/304LN-equivalent performance. Nitrogen stabilizes austenite and enhances strength via solid-solution and grain-refinement mechanisms — same mechanical properties, lower nickel cost.
Ideal for food-processing equipment, chemical tanks, and structural applications where 304-grade corrosion resistance must be held with improved economics.
Special Steels
FeNCr extends beyond commodity stainless into high-value special steels. Heat-resistant steels benefit from the Cr+N synergy for high-temperature stability. Corrosion-resistant steels for marine and chemical processing leverage Cr₂N/CrN passive-layer enhancement. Alloy and tool steels use nitrogen for wear resistance and secondary hardening.
Applications range from oil & gas downhole components to high-speed cutting tools where nitrogen’s strengthening mechanisms deliver measurable performance gains.
High-Nitrogen Stainless Frontier: China’s North Heavy Industries Group has achieved a breakthrough in atmospheric-pressure smelting of stainless steel with 0.85% N content — filling a domestic technology gap. This milestone demonstrates the growing capacity for high-nitrogen steel production and underscores rising demand for reliable nitrogen-bearing ferroalloys like FeNCr.
Phase Composition
Phase Composition & Production Process
The phase makeup of ferrochrome nitride — set by the nitriding medium and temperature — determines its performance in steelmaking and enables precise alloy design.
| Phase | Formula | Formation Condition | Role |
|---|---|---|---|
| Chromium Nitride | CrN | Higher temperature/pressure nitriding | Austenite stabilizer, precipitation strengthening |
| Dichromium Nitride | Cr₂N | Lower temperature nitriding | Grain-boundary strengthening |
| Iron Nitride | Fe₄N | Iron nitriding | Minor contribution |
| Composite Nitride | (Cr,Fe)₂N₁₋ | Variable conditions | Complex synergistic strengthening |
Phase composition is determined by the nitriding medium + nitriding temperature. The optimal phase balance can be tailored to specific steelmaking requirements.
1
Ferrochrome Crushing
High-carbon ferrochrome feedstock is crushed and screened to the specified particle-size range. Size control is critical for uniform nitrogen diffusion in the next step.
2
High-Temperature Nitriding
Crushed ferrochrome is charged into a controlled-atmosphere furnace with nitrogen-gas flow. At elevated temperature, nitrogen diffuses into the matrix, forming stable chromium and iron nitride phases.
3
Nitrogen Stabilization
Controlled cooling under nitrogen atmosphere locks nitrogen stably and uniformly into the alloy. The temperature profile is calibrated to optimize the nitride phase distribution — CrN, Cr₂N, Fe₄N, and composite (Cr, Fe)₂N₁
4
FeNCr Finished Product
Final product is inspected per batch: Cr, N, P, C, S determined for each batch. Delivered in bulk (pieces ≤5 kg) or ton bags. No obvious non-metallic inclusions or molten state on the surface.
Production Standard: Sampling is conducted per the ferrochrome method; Cr, N, P, C, and S are determined for each batch. The industry is transitioning from atmospheric nitriding to vacuum solid-state nitriding technology, aligned with China’s GB/T 4699.2-2025 standard, enabling superior control over phase composition and nitrogen uniformity. Special requirements are available by negotiation.
| Delivery Specifications | |
|---|---|
| Size | Delivered in bulk, each piece ≤5 kg; pieces smaller than 23 cm × 11.5 cm × 6 cm ≤ 2.5% of total weight (or pieces <10 mm × 10 mm ≤ 10%) |
| Purity | No obvious non-metallic inclusions; no obvious molten state on surface or interior |
| Packaging | Bulk or ton bag packaging available |
| Production Sampling | Sampling per ferrochrome method; Cr, N, P, C, S determined for each batch |
| Special Requirements | Available by negotiation |
Market & Industry
Global Ferrochrome Nitride Market — $92.48M & Growing
The ferrochrome nitride market is expanding with stainless-steel demand, nickel-substitution imperatives, and breakthroughs in high-nitrogen steel technology driving sustained growth.
$92.48M → $132.05M
Market Size (2025 → 2032)
5.2% CAGR — steady growth trajectory
APAC 56%
Regional Dominance
$51.9M — Asia-Pacific leads global demand
65.3%
Stainless Steel Share
$60.41M — largest application segment
Product-form distribution: Lump 70.9% vs Powder 29.05%
Three Growth Drivers
Structural trends powering ferrochrome nitride market expansion through 2032.
1
Stainless Steel Output Growth
Asia-Pacific and Europe continue expanding stainless capacity. Stainless steel represents 65.3% of FeNCr consumption — the primary demand driver. Every tonne of nitrogen-containing stainless requires nitrogen-bearing ferroalloys like FeNCr.
2
Nickel Substitution Strategy
Nickel price volatility ($15,000–30,000/ton) creates a structural incentive to substitute with nitrogen. FeNCr provides a stable, cost-effective path to nickel reduction — lowering alloy cost while maintaining or improving steel properties.
3
High-Nitrogen Steel Breakthroughs
Achieving 0.85% N via atmospheric smelting expands the technical frontier for nitrogen-alloyed steels. As the technology matures, demand for reliable high-nitrogen ferroalloys rises — with FeNCr as the primary nitrogen-delivery mechanism.
Why Us
An Integrated Nitride & Silicon-Carbide Producer
FerrumX is an ISO 9001 & ISO 45001 certified manufacturer integrating production, processing, and trading of silicon-based and nitrogen-alloy products — including a 120,000 t/yr silicon-carbide capacity that underpins raw-material stability.
CERTIFIED QUALITY
ISO 9001 & ISO 45001
Certified quality and occupational-health management across the full production chain — from ferrochrome crushing to finished FeNCr.
BATCH VERIFICATION
Per-Batch Chemical Analysis
Cr, N, P, C, and S are determined for every batch per the ferrochrome method, ensuring consistent grade conformity before shipment.
FLEXIBLE SUPPLY
Custom Grades & Packaging
Alternative compositions (8–10% N, Si ≤3.0%) and ton-bag or bulk packaging available by negotiation to match your melt shop.
FAQ
Frequently Asked Questions
Direct answers to common questions about silicon carbide for refractory applications.
FerrumX offers 6 standard grades organized by carbon limit and nitrogen type:
FeNCr3 series (C ≤ 0.03%): FeNCr3-A (N ≥ 3.0%, Si ≤ 1.5%) and FeNCr3-B (N ≥ 5.0%, Si ≤ 2.5%) — ultra-low carbon for the strictest carbon-control applications.
FeNCr6 series (C ≤ 0.06%): FeNCr6-A (N ≥ 3.0%, Si ≤ 1.5%) and FeNCr6-B (N ≥ 5.0%, Si ≤ 2.5%) — mid-carbon balance for general-purpose nitrogen alloying.
FeNCr10 series (C ≤ 0.10%): FeNCr10-A (N ≥ 3.0%, Si ≤ 1.5%) and FeNCr10-B (N ≥ 5.0%, Si ≤ 2.5%) — highest carbon tolerance for cost-sensitive bulk production.
All grades: Cr ≥ 60%, P ≤ 0.03%, S ≤ 0.04%. Type A applies to remelted products after nitriding (nitrogen excludes absorbed nitrogen); Type B applies to fixed-nitrogen alloys.
Nitrogen is approximately 30 times more effective than nickel at expanding the austenite phase region. This 30:1 ratio arises because nitrogen atoms occupy interstitial sites in the FCC iron lattice, causing direct lattice expansion and austenite stabilization at lower temperatures.
In practice, 1 kg of nitrogen can replace roughly 30 kg of nickel to stabilize austenite. Delivered via FeNCr, the combination of Cr (≥60%) and N (3–10%) achieves dual-alloy steelmaking in a single addition — reducing both nickel requirement and total alloy-addition count in the melt shop.
Type A: Applies to remelted products after nitriding; the nitrogen specification excludes absorbed nitrogen — only chemically combined nitrogen is counted and suited to where the exact nitrogen state matters for precise alloy calculations.
Type B: Applies to fixed-nitrogen alloys where all nitrogen (absorbed and combined) is accounted for — providing a more conservative, reliable nitrogen content for alloy design. By agreement, Type B with Si ≤ 3.0% may also be supplied, extending beyond the standard Si ≤ 2.5% for added flexibility.
FeNCr contains four primary phases, determined by nitriding medium and temperature:
CrN (Chromium Nitride): Formed at higher temperature/pressure nitriding — austenite stabilizer and precipitation strengthener.
Cr₂N (Dichromium Nitride): Formed at lower temperature nitriding — grain-boundary strengthening.
Fe₄N (Iron Nitride): From iron nitriding — minor contribution.
(Cr,Fe)₂N₁₋ (Composite Nitride): Formed under variable conditions — complex synergistic strengthening through the combined chromium–iron nitride structure.
FeNCr reduces stainless costs through three mechanisms:
1. Direct Nickel Replacement: 1 kg of nitrogen substitutes ~30 kg of nickel. At $15,000–30,000/ton nickel, this is significant raw-material savings.
2. Dual Alloying: FeNCr delivers chromium (≥60%) and nitrogen (3–10%) in one addition, eliminating separate ferrochrome and nitrogen additions — reducing handling, inventory, and melt logistics.
3. Raw-Material Stability: Nitrogen comes from stable, low-cost N₂ gas versus nickel’s volatile commodity pricing — predictable alloy costs for production planning.
In 200-series (Cr-Mn), FeNCr enables complete nickel elimination, cutting alloy cost by 20% or more. In 300-series (Cr-Mn-Ni), partial substitution saves hundreds of dollars per tonne.
Nitrogen strengthens steel through four complementary mechanisms:
1. Solid-Solution Strengthening: N atoms in interstitial sites distort the lattice, impeding dislocation movement and raising yield strength.
2. Grain Refinement: CrN/Cr₂N precipitates pin grain boundaries during heating, preventing austenite grain growth for a finer, stronger microstructure.
3. Strain Hardening: N promotes deformation twinning during cold work, increasing the work-hardening rate — high strength with retained ductility.
4. Precipitation Hardening: Finely dispersed CrN and Cr₂N precipitates obstruct dislocations, improving wear resistance and fatigue life.
Melting Point: Approximately 700°C — significantly lower than standard ferrochrome, enabling rapid dissolution in the melt.
Delivery Specifications:
• Size: Delivered in bulk, each piece ≤ 5 kg. Pieces smaller than 23 cm × 11.5 cm × 6 cm shall not exceed 2.5% of total weight (or pieces < 10 mm × 10 mm shall not exceed 10%).
• Purity: No obvious non-metallic inclusions and no obvious molten state on surface or interior.
• Packaging: Bulk or ton bag per customer requirement.
• Batch Testing: Cr, N, P, C, S determined per batch per ferrochrome method.
• Custom: Special specifications available by negotiation.
The global market is projected to grow from $92.48 million (2025) to $132.05 million (2032), a CAGR of 5.2%.
Regional: Asia-Pacific dominates at 56.2% ($51.9M), driven by China’s and India’s stainless production; Europe 19.8% ($18.3M); North America 15.5% ($14.3M).
Application: Stainless steel 65.3% ($60.41M), heat-resistant steel 19.7% ($18.26M), special alloy steel 14.9% ($13.81M).
Form: Lump dominates at 70.9% of volume vs. 29.05% powder. Drivers: stainless expansion in APAC/Europe, nickel-substitution imperatives, and high-nitrogen steel breakthroughs.
FeNCr is supplied in two forms: lump (the dominant market form at ~70.9% of volume) and powder (~29.05%). Lump is delivered in bulk with each piece ≤ 5 kg, or in ton bags per customer requirements; pieces below 10 mm × 10 mm shall not exceed 10% of total weight.
Custom sizing, screened fractions, and special packaging are available by negotiation. FerrumX verifies Cr, N, P, C, and S for every batch before shipment.
Yes. FeNCr is the primary nitrogen-delivery ferroalloy for nitrogen-containing and high-nitrogen stainless steels. The industry is transitioning from atmospheric nitriding to vacuum solid-state nitriding aligned with China’s GB/T 4699.2-2025 standard, giving superior control over phase composition and nitrogen uniformity.
FerrumX’s FeNCr3-B and FeNCr6-B grades (N ≥ 5.0%) suit high-nitrogen grades; the frontier of atmospheric-pressure smelting has already reached 0.85% N, underscoring the rising demand for reliable high-nitrogen ferroalloys like FeNCr.
