Metallic material
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Metallic material
Innovation | Professionalism
Integrity | Efficiency
630 stainless steel is also known as 17-4PH stainless steel, It is a precipitation hardening stainless steel.
630 stainless steel is extremely strong and tough, especially at high temperatures. It also has good corrosion resistance, especially in corrosive environments such as seawater. After proper heat treatment, 630 stainless steel can obtain a tensile strength as high as 1100MPa and a high yield strength.
Because 630 stainless steel has good mechanical properties and corrosion resistance, it is widely used in aviation, aerospace, petrochemical, pharmaceutical, food processing and other fields.
| Element% | C | Si | Mn | P | S | Cr | Ni | Cu | Nb |
| min | 0.07 | – | – | – | – | 15 | 3 | 3 | – |
| max | 0.15 | 1 | 1 | 0.04 | 0.03 | 17 | 5 | 5 | 0.3 |
Note: These values are approximate
| Tensile strength | Yield strength | Elongation | Impact toughness | |||
| 1100-1350 MPa | 1000-1250 MPa | 8-15% | 50-60 J | |||
Note: These values are approximate
| Property | Value |
| Density | 7.8 g/cm³ |
| Melting Point | 1398℃ |
| Coefficient of Thermal Expansion | 11.7×10^-6/℃ |
| Thermal Conductivity | 14.6 W/(m·K) |
| Specific Heat Capacity | 477 J/(kg·K) |
| Electrical Resistivity | 72 μΩ·cm |
Note: These values are approximate
Our company: Hengqiao(Shanghai) International Trading Limited
As a premium supplier of stainless steel, we offer a wide range of grades, sizes and finishes to suit your needs.
Size: according to customer requirements
Standards: GB, ASTM, EN, JIS, etc.
Coil/Tube/Pipe/Sheet/Strip/wire/Bar/Channel
Austenitic type
Ferritic type
Martensitic type
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