17-4PH Stainless Steel Sheet Plate UNS S17400, also known as Grade 630 stainless steel, is a precipitation hardening stainless steel combining high strength, good corrosion resistance and excellent mechanical properties. It provides a balanced combination of strength, hardness and corrosion resistance for demanding industrial applications.
SAKY STEEL supplies 17-4PH stainless steel sheets and plates in different thicknesses, widths, lengths and surface finishes. Customized dimensions, heat treatment conditions and inspection documents are available according to customer requirements.
| Item | Specification |
|---|---|
| Specification | ASTM A693 / ASTM A484 / AMS 5604 |
| Grade | 17-4PH / Grade 630 / UNS S17400 |
| Thickness | 0.3mm - 30mm |
| Width | 1000mm - 3500mm |
| Length | 2000mm - 6000mm or Customized |
| Production Technology | Hot Rolled / Cold Rolled |
| Surface Finish | 2B / BA / No.1 / No.4 / 8K / Mirror / Hairline |
| Form | Sheet / Plate / Strip / Cut Size |
| Certificate | MTC / EN 10204 3.1 Available |
| Standard | JIS | W.Nr. | UNS |
|---|---|---|---|
| 17-4PH Stainless Steel | - | 1.4542 | S17400 |
17-4PH stainless steel is a precipitation hardening stainless steel containing chromium, nickel and copper additions. The chemical composition is controlled according to the applicable specification.
| Grade | C | Cr | Ni | Cu | Cb+Ta |
|---|---|---|---|---|---|
| 17-4PH | 0.07 max | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 5×C / 0.45 |
Actual chemical composition shall be confirmed by the applicable specification and MTC.
17-4PH stainless steel can achieve different mechanical properties through precipitation hardening treatment. The final properties depend on aging condition, product thickness and applicable specification.
| Condition | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation (%) | Hardness HRC |
|---|---|---|---|---|
| Condition A | - | - | - | 38 Max |
| H900 | 190 | 170 | 5 | 40-47 |
| H925 | 170 | 155 | 5 | 38-45 |
| H1025 | 155 | 145 | 5 | 35-42 |
| H1075 | 145 | 125 | 5 | 33-39 |
| H1150 | 135 | 105 | 8 | 28-37 |
SAKY STEEL performs surface inspection and roughness testing for stainless steel products to verify surface quality and meet customer requirements for appearance, machining and functional performance.
Material Traceability
SAKY STEEL provides material traceability from raw material information to finished product documentation.Quality Documentation
MTC, dimensional reports and inspection documents are available according to customer requirements.Customized Supply
Different sizes, thicknesses, surface finishes and processing requirements can be supplied according to customer specifications.Inspection Capability
Chemical analysis, mechanical testing, hardness testing, surface inspection and other tests can be arranged when specified.Export Packaging
Professional packaging solutions are provided to protect stainless steel sheets and plates during international transportation.SAKY STEEL applies quality control procedures to ensure material consistency, dimensional accuracy and product reliability according to customer requirements and applicable specifications.
Proper packaging is essential for international shipment. SAKY STEEL uses suitable packing methods to protect stainless steel sheets and plates from moisture, scratches and transportation damage.