440B 440A stainless steel sheets quenching hardening has excellent performance and high hardness, which is higher than 440B steel and 440C steel.
440A Stainless Steel Plate Chemical Composition | |||||||||
| Ni | Cr | Mn | Si | C | S | P | N | Fe |
min | 8.0 | 17.5 | -- | - | - | - | - | - | - |
max | 10.5 | 19.5 | ≤2.0 | ≤1.0 | ≤0.0025 | ≤0.03 | 0.045 | ≤0.10 | Balance |
Physical Performance | |||
Density | Melting Point | Poisson’s ratio | Specific resistance |
7.93 g•cm-3 | 1398~1420℃ | 0.3 | 0.73 Ω•mm2•m-1/ft |
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Temperature, °F | 70 | 212 | 932 |
Coefficient of thermal expansion, in/in°F*10-6 | - | 9.2 | - |
Heat conductivity | - | 9.4 | 12.4 |
Elasticity modulus | 29 | - | - |
*70°F to indicated temperature.
440A Stainless Steel Plate Characteristics:
Good general corrosion resistance.
Easy to clean up.
Excellent strength and toughness at low temperature.
Good forming performance.
Good welding property
Typical tensile property
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Largest strength of extension, ksi | 75 |
0.2%yield strength, ksi | 30 |
Ductility,% | 40 |
HB,Brinell | 201 |
Typical tensile and impact properties
Temperature, °F | -425 | -320 | -100 | 70 | 400 | 800 | 1200 |
Largest strength of extension, ksi | 250 | 230 | 150 | 90 | 70 | 66 | 48 |
0.2%yield strength, ksi | 100 | 70 | 50 | 35 | 23 | 19 | 15.5 |
Charpy impact V notch,ft-lbs | 85 | 85 | - | 150 | - | - | - |
440A Stainless Steel Plate application:
Food processing and processing.
Heat exchanger.
Pressure vessels for the chemical industry.
Conveyer.
Architecture.
Standard exporting package.
Original package or neutral package.
According to clients’ needs.
Shipped in 10-35 days after payment.
Spot delivery, including delivering small batches of goods
Provide wide-range and complete materials series products
Cutting plates, including complex shapes of materials and special processing and disposal
Cutting bars and strips
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