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Material designation | A193 B8 Class 1D |
UNS | S30400 |
Other names | 304 |
Correspondence standard | ASTM A193/A193M-2001 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Servise |
Sort out | Austenitic stainless steel |
Property | Strength Corrosion resistance Low temperature toughness forging weldability |
Tag | Austenitic stainless steel |
A193 B8 Class 1D Chemical Element Content (%)
Ingredient | C | Si | Mn | P | S | Cr | Ni |
Minimum value | - | - | - | - | - | 18 | 8 |
Maximum value | 0.08 | 1 | 2 | 0.045 | 0.03 | 20 | 11 |
A193 B8 Class 1D Mechanical properties
Diameter d mm | Heat treatment or condition | Tensile strength σb Mpa | Yield point σs Mpa | Elongation or elongation after breaking δ % | Shrinkage of section ψ % | Hardness HBW |
All sizes | Carbide solution treatment | ≥515 | ≥205 | ≥30 | ≥50 | ≤223 |
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