Stainless Steel 1.4016 1/4H
Supply condition
EN 1.4016 · UNS S43000 · AISI/SAE 430 · JIS SUS430
1/4H = quarter hard
Light temper rolling for flat springs, clips and stiffer panels that only need simple bends.
Values for the 1/4H condition
Other 1.4016 tempers and conditions
1.4016 is listed in 5 conditions; see the grade overview at 1.4016.
Compare all 5 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Annealed | Annealed long products for turned parts, shafts and fittings where machining and best corrosion state matter. | 300 | 490 | 24 | 160 HB | 2.9 % IACS |
Cold drawn | Cold drawn bar with tighter tolerance, bright surface and higher strength for fasteners and machined hardware. | 450 | 600 | 13 | 195 HB | 2.9 % IACS |
1/4HThis page Quarter hard | Light temper rolling for flat springs, clips and stiffer panels that only need simple bends. | 480 | 620 | 10 | 200 HB | 2.9 % IACS |
Half hard | Half-hard strip for spring clips and wear-facing trim where forming is limited to gentle radii. | 580 | 700 | 6 | 22 HRC | 2.9 % IACS |
Full hard | Maximum strength/stiffness strip for flat springs and shims; essentially no cold forming capability. | 700 | 800 | 3 | 25 HRC | 2.9 % IACS |
What is 1.4016 1/4H?
1.4016 1/4H is 1.4016 supplied in the 1/4H condition — light temper rolling for flat springs, clips and stiffer panels that only need simple bends. 1.4016 1/4H has a yield strength of 480 MPa (69.6 ksi) and a tensile strength of 620 MPa (89.9 ksi) — stronger than 75% of stainless steel grades. Elongation at break is 10% and the elastic modulus is 220 GPa (31.9 Msi). 1.4016 1/4H has a density of 7.7 g/cm³ (0.278 lb/in³), lighter than 83% of stainless steel grades. It melts at 1,425°C (2,597 °F).
Advantages
- Low embodied carbon — 3.2 kg CO₂/kg, better than 95% of stainless steel grades
- Easy to machine — 55/100, better than 94% of stainless steel grades
- Conducts heat well — 25 W/m·K (14.4 BTU/hr·ft·°F), better than 93% of stainless steel grades
- High electrical conductivity — 2.9 % IACS, better than 87% of stainless steel grades
- High strength — 480 MPa (69.6 ksi), better than 75% of stainless steel grades
Limitations
- Limited ductility — 10%, worse than 98% of stainless steel grades
- Limited service temperature — 300°C (572 °F), worse than 90% of stainless steel grades
- Difficult to weld — 40/100, worse than 83% of stainless steel grades
- Needs corrosion protection — 50/100, worse than 78% of stainless steel grades
1.4016 1/4H properties
Typical room-temperature values for 1.4016 1/4H; 20 are specific to this condition. Other listed values are 1.4016 reference data and may not represent this condition. Bars are the position among stainless steel grades.
Physical3
1.4016 1/4H has a density of 7.7 g/cm³ (0.278 lb/in³), lighter than 83% of stainless steel grades. It melts at 1,425°C (2,597 °F).
Mechanical14
1.4016 1/4H has a yield strength of 480 MPa (69.6 ksi) and a tensile strength of 620 MPa (89.9 ksi) — stronger than 75% of stainless steel grades. Elongation at break is 10% and the elastic modulus is 220 GPa (31.9 Msi).
Thermal6
1.4016 1/4H is rated for continuous service to 300°C (572 °F). It conducts heat at 25 W/m·K (14.4 BTU/hr·ft·°F), better than 93% of stainless steel grades. Thermal expansion is 10 µm/m·K (5.56 µin/in·°F).
Electrical3
1.4016 1/4H conducts electricity at 2.9 % IACS, better than 87% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is fair (50/100), worse than 78% of stainless steel grades.
Sustainability4
Producing a kilogram of 1.4016 1/4H takes about 48 MJ of energy and emits 3.2 kg of CO₂ — less than 85% of stainless steel grades. Typical recycled content is 65%.
Manufacturability7
1.4016 1/4H's machinability is good (55/100, better than 94% of stainless steel grades); weldability fair (40/100); formability fair (40/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 1.4016 1/4H
Is 1.4016 easy to machine?
Machines better than 304 with less gumminess; use rigid setups, sharp positive-rake carbide, moderate speed and generous coolant — choose 430F if heavy automatic turning is needed.
Can 1.4016 be welded?
Weldable by TIG/MIG/resistance methods but the HAZ coarsens and embrittles; keep heat input low, avoid preheat above ~200 °C, use 309L/430 filler and post-weld anneal (~760–815 °C) for critical ductility.
Can 1.4016 be formed, bent or molded?
Good for bending, roll forming and shallow drawing; limited stretch-formability and susceptibility to ridging/roping means deep-drawn parts usually go to 304 or a stabilized ferritic (1.4510/1.4509).
What surface finishes work on 1.4016?
Takes No.4 brushed and BA/mirror finishes well and accepts PVD coating, electropolishing and passivation; not anodizable, and chloride exposure calls for a coating or a higher-alloy grade.
1.4016 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| CEN 10088 X6Cr17 | ≤ 0.08 | 0.05 |
| Si | ≤ 1 | 0.4 |
| Mn | ≤ 1 | 0.4 |
| P | ≤ 0.04 | 0.03 |
| SASTM A240 Type 430 allows S ≤ 0.030 | ≤ 0.02 | 0.01 |
| Cr | 16 – 18 | 16.5 |
| Nilimit per ASTM A240 Type 430; residual in EN 1.4016 | ≤ 0.75 | 0.3 |
| Fe | balance | — |
1.4016 1/4H — frequently asked
What is 1.4016 1/4H used for?
1.4016 1/4H is typically used for kitchen appliances, sinks, automotive trim and architectural panels. In short: standard general-purpose ferritic; lower-cost 304 alternative; takes decorative BA finishes.
What is the yield strength of 1.4016 1/4H?
1.4016 1/4H has a typical yield strength of 480 MPa (69.6 ksi) and a tensile strength of 620 MPa (89.9 ksi) — stronger than 75% of stainless steel grades. Strength varies by condition: see the 5 listed tempers.
Is 1.4016 1/4H easy to machine?
Reasonably — machinability is rated good (55/100, better than 94% of stainless steel grades). Machines better than 304 with less gumminess; use rigid setups, sharp positive-rake carbide, moderate speed and generous coolant — choose 430F if heavy automatic turning is needed.
Can 1.4016 1/4H be welded?
With care — weldability is rated fair (40/100). Weldable by TIG/MIG/resistance methods but the HAZ coarsens and embrittles; keep heat input low, avoid preheat above ~200 °C, use 309L/430 filler and post-weld anneal (~760–815 °C) for critical ductility.
What surface finishes work on 1.4016 1/4H?
Takes No.4 brushed and BA/mirror finishes well and accepts PVD coating, electropolishing and passivation; not anodizable, and chloride exposure calls for a coating or a higher-alloy grade.
Can 1.4016 1/4H be formed, bent or molded?
Good for bending, roll forming and shallow drawing; limited stretch-formability and susceptibility to ridging/roping means deep-drawn parts usually go to 304 or a stabilized ferritic (1.4510/1.4509).
What is the maximum service temperature of 1.4016 1/4H?
1.4016 1/4H is rated for continuous use to about 300°C (572 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Sources
- EN 10088-1/-2/-3 Stainless steels — X6Cr17 (1.4016) — CEN (2014)
- ASTM A240 / A276 Type 430 (UNS S43000) — ASTM (2020)
- GB/T 3280 / JIS G4305 SUS430 — SAC / JISC (2015)
- ASM Handbook Vol.1 — Properties of Stainless Steels — ASM International (1990)
- Outokumpu Ferritic 4016 / Aperam K41 datasheet — Outokumpu / Aperam (2022)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.