630/17-4PH Stainless Steel Plate
Grade: 630/17-4PH
Thickness: 3.0mm-200mm
Width: 1.5m/2.0m/2.2m or as client’s requirement.
Standard: ASTM A240/A240M, JIS G4304, JISG 4305, EN 10088/3
Finish: No.1, Polished
- Fast Shipping / Ready Stock
- ISO 9001 Direct Factory
- Custom Cutting & Processing
- 100% MTC & SGS Inspection Supported
630 (17-4PH, UNS S17400) is a precipitation hardening martensitic stainless steel containing chromium, nickel, copper, and niobium. It provides a combination of high strength, hardness, and corrosion resistance through aging heat treatment.
Chemical Composition (Typical wt.%)
| Element | Value |
| Carbon (C) | ≤0.07 |
| Chromium (Cr) | 15.00-17.50 |
| Nickel (Ni) | 3.00-5.00 |
| Copper (Cu) | 3.00-5.00 |
| Nb+Ta | 0.15-0.45 |
| Iron (Fe) | Balance |
Mechanical Properties (Typical Condition)
| Property | Value |
| Tensile Strength | ≥930 MPa |
| Yield Strength | ≥860 MPa |
| Hardness | Approx. 40-45 HRC |
- Knife blades
- Bearings
- Cutting tools
- Wear-resistant components
630 (17-4PH, UNS S17400) is a precipitation hardening martensitic stainless steel containing chromium, nickel, copper, and niobium. It provides a combination of high strength, hardness, and corrosion resistance through aging heat treatment.
Chemical Composition (Typical wt.%)
| Element | Value |
| Carbon (C) | ≤0.07 |
| Chromium (Cr) | 15.00-17.50 |
| Nickel (Ni) | 3.00-5.00 |
| Copper (Cu) | 3.00-5.00 |
| Nb+Ta | 0.15-0.45 |
| Iron (Fe) | Balance |
Mechanical Properties (Typical Condition)
| Property | Value |
| Tensile Strength | ≥930 MPa |
| Yield Strength | ≥860 MPa |
| Hardness | Approx. 40-45 HRC |
- Knife blades
- Bearings
- Cutting tools
- Wear-resistant components
