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S30400 ASTM A240/240M-2018 Stainless steel wire is a universal stainless steel material with a variety of excellent properties and a wide range of applications.
UNS | S30400 |
ASTM Model or brand | 304 |
Correspondence standard | ASTM A240/240M-2018 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and General Applications |
Sort out | Austenitic stainless steel |
Property | Corrosion resistance |
Tag | Austenitic stainless steel chromium-nickel steel |
S30400 stainless steel wire is mainly composed of iron, chromium, nickel and a small amount of carbon, silicon, manganese, phosphorus and other elements. Among them, the content of chromium is about 18%, the content of nickel is about 8%, which makes the S30400 stainless steel wire has excellent corrosion resistance.
Chemical element content (%)
Ingredient | C | Si | Mn | P | S | Cr | Ni | N |
Minimum value | - | - | - | - | - | 17.5 | 8 | - |
Maximum value | 0.07 | 0.75 | 2 | 0.045 | 0.03 | 19.5 | 10.5 | 0.1 |
Mechanical property
Tensile strength σb Mpa | Yield point σs Mpa | Elongation or elongation after breaking δ % | Hardness HBW |
≥515 | ≥205 | ≥40 | ≤201 |
Physical and chemical properties:
Corrosion resistance: S30400 stainless steel wire has excellent corrosion resistance, especially in acidic environments and high temperature conditions, can resist oxidation, acid and alkali corrosion and other corrosion effects.
Thermal stability: Under high temperature conditions, S30400 stainless steel wire can maintain good strength and hardness, not easy to deformation and thermal expansion, showing excellent thermal stability.
Machinability: S30400 stainless steel wire has good malleability, weldability and machinability, and is easy to process into various shapes, sizes and structures.
Magnetic: Under annealed conditions, S30400 stainless steel wire is non-magnetic. However, after cold processing, its austenitic structure may be partially transformed into martensite, which has weak magnetism.
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