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Gangsteel, a leading Chinese exporter of high-quality cold-rolled stainless steel coils and sheets, offers a detailed comparison between 410 and 430 stainless steel coils to help manufacturers and buyers make informed decisions.
Grade 430 (AISI 430 or UNS S43000) is a ferritic stainless steel renowned for its affordability, magnetic properties, and moderate corrosion resistance in mild environments, ideal for decorative and household coil applications. Grade 410 (AISI 410 or UNS S41000), a martensitic stainless steel, provides higher strength and hardness through heat treatment, making it suitable for wear-resistant and high-stress uses while retaining good corrosion resistance. Both are supplied in coil form for efficient slitting, stamping, and forming, with typical thicknesses from 0.3 mm to 3.0 mm and widths up to 1500 mm. While sharing chromium-based passivation, 410’s higher carbon and martensitic structure allow hardening (up to 45 HRC), whereas 430 remains soft and ferritic for superior formability. This guide examines chemical composition, mechanical properties, equivalent materials, corrosion resistance, weldability, applications, cost, and more. As ferritic specialists, Gangsteel supplies premium 430 coils, such as our JIS G4305 SUS 430 stainless steel sheet (available in coil form) and a240 Type_430 stainless steel sheet.
Coils of both grades are cold-rolled for uniform thickness and excellent surface finishes (2B, BA, No.4). Their magnetic nature and thermal conductivity (24–26 W/m·K) make them ideal for applications involving heat dissipation or magnetic handling. However, 410 is chosen for strength and wear, while 430 prioritizes cost and ductility. Gangsteel’s advanced annealing and rolling ensure defect-free coils ready for downstream processing.
The compositions highlight 410’s higher carbon for hardenability and 430’s elevated chromium for better passivation.
Based on ASTM A240 (weight %):
|
Element |
410 |
430 |
|---|---|---|
|
Carbon (C) |
≤0.15 |
≤0.12 |
|
Chromium (Cr) |
11.5-13.5 |
16.0-18.0 |
|
Manganese (Mn) |
≤1.00 |
≤1.00 |
|
Silicon (Si) |
≤1.00 |
≤1.00 |
|
Phosphorus (P) |
≤0.040 |
≤0.040 |
|
Sulfur (S) |
≤0.030 |
≤0.030 |
|
Nickel (Ni) |
≤0.75 |
≤0.75 |
|
Iron (Fe) |
Balance |
Balance |
410’s higher carbon enables martensitic transformation via heat treatment for strength, while 430’s higher chromium forms a stronger passive layer. For European equivalents, our EN10088 2 X6Cr17 stainless steel sheet matches 430 coil specifications.
Mechanical properties differ markedly: 410 can be heat-treated for high hardness; 430 is used annealed for ductility.
From ASTM A240 and typical values:
|
Property |
410 (annealed) |
430 (annealed) |
|---|---|---|
|
Yield Strength (0.2% offset) |
≥275 MPa |
≥205 MPa |
|
Tensile Strength |
≥450 MPa |
≥450 MPa |
|
Elongation (in 50 mm) |
≥20% |
≥22% |
|
Hardness (Rockwell B) |
≤95 HRB |
≤89 HRB |
|
Modulus of Elasticity |
200 GPa |
200 GPa |
|
Density |
7.70 g/cm³ |
7.70 g/cm³ |
In hardened condition, 410 reaches 1200–1500 MPa tensile and 40–45 HRC for wear-resistant coils. 430 remains softer for easy forming. Gangsteel’s DIN 1.4016 stainless steel sheet guarantees consistent 430 coil performance.
Both have international cross-references for global coil sourcing.
|
Standard/Region |
410 Equivalent |
430 Equivalent |
|---|---|---|
|
AISI/UNS (USA) |
410 / S41000 |
430 / S43000 |
|
EN/DIN (Europe) |
1.4006 / X12Cr13 |
1.4016 / X6Cr17 |
|
JIS (Japan) |
SUS410 |
SUS430 |
|
GB (China) |
1Cr13 / 12Cr13 |
1Cr17 / 10Cr17 |
|
BS (UK) |
410S21 |
430S17 |
|
AFNOR (France) |
Z12C13 |
Z8C17 |
|
ISO |
X12Cr13 |
X6Cr17 |
Our GB/T 10Cr17 1Cr17 stainless steel sheet is a direct Chinese 430 coil equivalent.
Corrosion resistance favors 430 in mild atmospheres; 410 offers moderate protection with heat-treatment benefits.
430 resists atmospheric corrosion, fresh water, and mild acids well but is prone to pitting in chlorides.
410 provides fair resistance (similar to 410) in mild steam and oxidizing conditions, with better scaling up to 650°C. Neither suits heavy chlorides (use 316 instead).
For oxidizing or decorative coils: 430; high-strength heat applications: 410.
Weldability: 410 requires preheating (200–300°C) and post-weld annealing to prevent cracking and restore properties; 430 needs annealing for sensitization.
Fabrication: 430 is more formable for deep drawing; 410 suits machining after hardening. Both are magnetic and polishable (BA finish common).
For welded structural coils: 410 (with care); decorative: 430 like our JIS G4305 SUS 430 stainless steel sheet.
430 for cost-effective, decorative coil uses.
410 for high-strength, heat-treatable coil applications.
430 is cheaper (1200-1400 USD/MT) and widely available. 410 is similar or slightly higher (1300-1500 USD/MT) due to heat-treatment processing. Gangsteel’s production ensures competitive 430 coil pricing like a240 Type_430 stainless steel sheet.
Select 410 for applications requiring high hardness and wear resistance via heat treatment; choose 430 for economy, formability, and mild corrosion resistance. Evaluate strength needs, environment, and fabrication method.
410 is martensitic and heat-hardenable for high strength; 430 is ferritic, softer, and more formable with better general corrosion resistance.
430 in mild atmospheres; 410 in steam/high-temperature oxidizing conditions.
430 simpler (annealing only); 410 requires pre- and post-heat treatment.
410 (hardenable edges).
We specialize in 430 coils like our DIN 1.4016 stainless steel sheet; contact us for 410 inquiries.
In conclusion, 410 delivers strength and hardness for demanding coils, while 430 offers versatile economy for general use—Gangsteel is your trusted partner for quality stainless coils.
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