SSA4057 Stainless Martensitic Chrome Steel, AISI 431, JIS SUS 431, DIN X17CrNi16-2
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AISI 431 is known for its exceptional corrosion resistance and hardness. This steel grade is often used in applications requiring robust strength, durability, and resistance to corrosion. AISI 431 can be heat treated to achieve desired mechanical properties, making it suitable for various industrial applications where high-performance materials are required. We import from Europe, Japan and China.
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| Trade Name | Technical Delivery Condition | Q&T Hardness | C (%) | Si (%) | Mn (%) | Cr (%) | Ni (%) |
|---|---|---|---|---|---|---|---|
| SSA4057 | Quenched and Tempered | 295 HB | 0.12 – 0.22 | ≤ 1.00 | ≤ 1.00 | 15.00 – 17.00 | 1.50 – 2.50 |
| Werkstoff | DIN standard | AISI | BS | JIS | SIS | UNI |
|---|---|---|---|---|---|---|
| 1.4057 | X20CrNi17-2 | 431 | S 80 | SUS431 | 2321 | X16CrNi16 |
Type of steel and characteristics:
Martensitic stainless chromium steel with nickel addition. Heat treatable grade, capable of taking a mirror finish.
Applications:
Naval construction, mechanical and plant engineering, dairies, yeast factories, starch and paper mills, compressor construction and mechanical components such as shaft, piston rods, spindles, armatures, pump parts, stirrers, valve parts, nuts and bolts and etc.
Heat Treatment:
Hot Forging - 1100 - 800°C
Annealing - 650 - 750 °C
Stress relieving - Approx. 650 °C
Hardening - 980 - 1030 °C
Tensile strength - 750 -950 MPa
Tempering -620 – 720 °C
Quenching Medium - Air, oil.
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