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Description
| Chemical Composition (wt %, max unless range given) | |||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Nb |
| 0.04-0.10 | <=2.00 | <=0.045 | <=0.030 | <=0.75 | 17.0-19.0 | 9.0-13.0 | >=8×C to 1.00 |
| Mechanical Properties (annealed tube) | ||||
|---|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Reduction of Area | Hardness |
| >=515 MPa | >=205 MPa | >=40 % | >=50 % | <=217 HB |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 8.03 g/cm3 | 1398-1446 °C | 16.7 μm/m·°C | 16.2 W/m·°C | 193 GPa |
347H Stainless Steel Coil
High-carbon niobium-stabilized stainless steel coil; carbon content 0.04-0.10%; designed specifically for high-temperature service conditions in furnace header wraps.
| Chemical Composition (wt %, max unless range given) | |||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Nb |
| 0.04-0.10 | <=2.00 | <=0.045 | <=0.030 | <=0.75 | 17.0-19.0 | 9.0-13.0 | >=8×C to 1.00 |
| Mechanical Properties (annealed tube) | ||||
|---|---|---|---|---|
| Tensile Strength | Yield Strength | Elongation | Reduction of Area | Hardness |
| >=515 MPa | >=205 MPa | >=40 % | >=50 % | <=217 HB |
| Physical Properties (typical) | ||||
|---|---|---|---|---|
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity |
| 8.03 g/cm3 | 1398-1446 °C | 16.7 μm/m·°C | 16.2 W/m·°C | 193 GPa |
