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Description
| Chemical Composition (wt %, max unless range given) | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Mo | N |
| <=0.03 | 7.5-9.0 | <=0.045 | <=0.030 | <=0.75 | 17.5-22.0 | 5.0-7.0 | 2.00-3.00 | 0.25-0.50 |
| Mechanical Properties (annealed tube) | |||
|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Hardness |
| >=620 MPa | >=310 MPa | >=40 % | <=217 HB |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 7.93 g/cm3 | 1398-1446 °C | 16.8 μm/m·°C | 15.8 W/m·°C | 195 GPa |
XM-18 Stainless Steel Plate
Ultra-low-carbon XM-17 variant plate; carbon content ≤0.03%; maintains best weldability and intergranular corrosion resistance while retaining high strength for explosion-clad plate substrate.
| Chemical Composition (wt %, max unless range given) | ||||||||
|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Mo | N |
| <=0.03 | 7.5-9.0 | <=0.045 | <=0.030 | <=0.75 | 17.5-22.0 | 5.0-7.0 | 2.00-3.00 | 0.25-0.50 |
| Mechanical Properties (annealed tube) | |||
|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Hardness |
| >=620 MPa | >=310 MPa | >=40 % | <=217 HB |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 7.93 g/cm3 | 1398-1446 °C | 16.8 μm/m·°C | 15.8 W/m·°C | 195 GPa |
