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Description
| Chemical Composition (wt %, max unless range given) | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Mo | Nb | N |
| <=0.025 | <=1.00 | <=0.040 | <=0.030 | <=1.00 | 17.5-19.5 | 1.75-2.50 | 0.15-0.80 | <=0.035 |
| Mechanical Properties (annealed tube) | ||||
|---|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Hardness | PREN |
| >=415 MPa | >=275 MPa | >=20 % | <=217 HB | >=24 |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 7.75 g/cm3 | 1480-1530 °C | 10.4 μm/m·°C | 25.0 W/m·°C | 200 GPa |
444 Stainless Steel Plate
Molybdenum and niobium-alloyed ultra-low-carbon ferritic stainless steel plate; PREN value ≥24; corrosion resistance close to 316L; excellent stress corrosion resistance for solar-water-heater absorber sheets.
| Chemical Composition (wt %, max unless range given) | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Mo | Nb | N |
| <=0.025 | <=1.00 | <=0.040 | <=0.030 | <=1.00 | 17.5-19.5 | 1.75-2.50 | 0.15-0.80 | <=0.035 |
| Mechanical Properties (annealed tube) | ||||
|---|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Hardness | PREN |
| >=415 MPa | >=275 MPa | >=20 % | <=217 HB | >=24 |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 7.75 g/cm3 | 1480-1530 °C | 10.4 μm/m·°C | 25.0 W/m·°C | 200 GPa |
