17-4PH Stainless Steel Sheet Supplier in China
17-4PH grade is a type of precipitation-hardening martensitic stainless steel sheet. These materials have excellent characteristics that can add reliability to the fabricated parts. It also allows simplified processes and cost of fabrication. Stainless steel sheet 17-4PH grade has full capability in maintaining their high strength even at an approximate temperature of 316⁰C.
At TuoLian, we provide SS17-4PH sheet that is suitable for hot-forming and cold-working process to improved its formability. It has a trade name of 17-4, ATI 17-4, or Type 630 stainless. Our engineers can provide you with customized thicknesses, lengths, and widths. You can assure that our 17-4PH stainless steel sheets are suitable for your project requirements.
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Specifications of Our 17-4PH Stainless Steel Sheet
- ASME SA693
- UNS S17400
- ASTM A 693
- ASTM F 899
- AMS 5604
- ASTM A484
- ASME SA564
- 4542


Suitable for Different Applications and Industries
We offer Stainless steel sheet 17-4PH grade that is ideal for a wide range of industries including:
This material is also commonly used for the fabrication of surgical instrumentation, fasteners, base plates, waste casks, nuclear, components, and more.
Complied Industry Standards and Certifications
TuoLian offers 17-4PH stainless steel sheets that are certified with the following standards:
- DFARS comfaceEmbossedpliant
- S1000/S-SPEC-1
- RR SABRe Edition 2
- PWA-LCS
- GE Aviation S-SPEC-35 AeDMS S-400


- Chromium 15-17.5%
- Nickel 3-5%
- Copper 3-5%
- Carbon 0.07%
- Phosphorous 0.04%
- Sulfur 0.03%
- Silicon 1.0%
- Nobium + Tantalum 0.15-0.46%

- Excellent corrosion resistance
- High temperature resistance
- High strength
- Superior physical properties
- High fatigue resistance
- Readily weldable
Technical Data of Our Stainless Steel Sheet 17-4PH
Mechanical Properties
Heat Treatment | 0.2% Offset Yield Strength | Maximum Tensile Strength | Elongation | |||
Hardening at Temperature 496⁰C | Minimum | 1070MPa | 155ksi | 1170MPa | 170ksi | 8% |
Typical | 1207MPa | 175ksi | 1310MPa | 190ksi | 14% | |
Hardening at Temperature 593⁰C | Minimum | 790MPa | 115ksi | 965MPa | 140ksi | 10% |
Typical | 931MPa | 135ksi | 1034Mpa | 150ksi | 17% |
Physical Properties
Density (lbs/in3) | Specific Heat (J/kg-°C @ 20°C) | Elasticity Modulus (GPa) | Thermal Conductivity (W/m-°K) | Melting Temp. Range (⁰C) | Electrical Resistivity (Microhm-in at 75⁰C |
0.280 | 460 | 196 | 18.3 | 1404 up to 1440 | 29.5 |
Fabrication Data and Processing
TuoLian offers 17-4PH stainless steel sheets that are suitable for different processing such as:
- Cold Forming
- Machining
- Hot Forming
- Welding