17-4PH Stainless Steel Coil High Strength Corrosion Resistant Aerospace Grade for Industrial Applications
Price:
Negotiable
MOQ:
100KG
Delivery Time:
7-15 days or as requirements
Brand:
Wuxi Sylaith Special Steel Co., LTD
Product Description
1.4542 X5CrNiCuNb16-4 AISI 17-4PH S17400 Precipitation Hardening Stainless Steel Coil
Product Overview
1.4542 X5CrNiCuNb16-4 AISI 17-4PH S17400 Stainless Steel Coil is a premium precipitation hardening stainless steel product designed for applications requiring a combination of high strength, excellent corrosion resistance, superior hardness, and good fabrication performance.
Also known as 17-4PH Stainless Steel, this grade belongs to martensitic precipitation-hardening stainless steels. It achieves extremely high mechanical strength through heat treatment while maintaining corrosion resistance comparable to conventional stainless steels such as AISI 304.
Key Applications
- Aerospace engineering
- Oil and gas equipment
- Marine engineering
- Chemical processing
- Nuclear power systems
- Pressure equipment
- High-performance machinery
Main Advantages
- High tensile strength and hardness
- Excellent corrosion resistance
- Good weldability
- Good machining performance
- Excellent resistance to oxidation up to approximately 539°C
- Stable performance in fresh water, marine atmosphere, and industrial environments
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | 1.4542 X5CrNiCuNb16-4 AISI 17-4PH S17400 Stainless Steel Coil |
| Material Number | 1.4542 |
| DIN Designation | X5CrNiCuNb16-4 |
| AISI Grade | 17-4PH / S17400 |
| Steel Type | Martensitic Precipitation Hardening Stainless Steel |
| Standard | ASTM / GB / JIS / DIN / BS |
| Product Form | Coil / Plate / Sheet |
| Width | 1000mm - 3000mm |
| Length | 1000mm - 12000mm |
| Thickness | Customized |
| Production Process | Hot Rolled |
| Heat Treatment | Solution Treatment / Aging Treatment |
| Surface Treatment | Coated / Customized |
| Certification | ISO9001:2008 |
Chemical Composition (%)
| Element | Content |
|---|---|
| Carbon (C) | ≤0.07% |
| Silicon (Si) | ≤0.70% |
| Manganese (Mn) | ≤1.50% |
| Chromium (Cr) | 15.0-17.5% |
| Nickel (Ni) | 3.0-5.0% |
| Copper (Cu) | 3.0-5.0% |
| Molybdenum (Mo) | ≤0.60% |
| Niobium (Nb) | Added for precipitation hardening |
Mechanical Properties After Aging
| Aging Condition | Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Elongation |
|---|---|---|---|
| 480°C | 1170 | 1310 | 10% |
| 550°C | 1000 | 1070 | 12% |
| 595°C | 795 | 965 | 14% |
| 620°C | 725 | 930 | 16% |
Industry Applications
Aerospace Industry: Aircraft fittings, fasteners, landing system components, jet engine parts
Oil & Gas Industry: Oil field valves, pump shafts, downhole equipment, high-pressure components
Marine Engineering: Ship components, offshore platforms, marine equipment
Chemical Processing: Chemical processing parts, pressure equipment, industrial machinery
Nuclear Power: Reactor components, precision mechanical parts, high-strength fasteners
Frequently Asked Questions
Q1: What is 1.4542 stainless steel?
1.4542 is the European designation for 17-4PH stainless steel, also known as AISI S17400. It is a precipitation-hardening stainless steel with high strength, excellent corrosion resistance, and good fabrication performance.
Q2: What is the difference between 17-4PH and normal stainless steel?
Compared with conventional stainless steels such as 304 or 316, 17-4PH provides significantly higher strength and hardness through precipitation hardening while maintaining good corrosion resistance.
Q3: Can 17-4PH stainless steel be welded?
Yes. 17-4PH can be welded using shielded fusion welding and resistance welding processes. AWS E/ER630 filler materials are recommended when matching base metal properties are required.
Q4: What industries use 17-4PH stainless steel?
17-4PH stainless steel is widely used in aerospace, oil and gas, marine engineering, chemical processing, nuclear power, and high-performance machinery.
Q5: What certificates are available for 1.4542 stainless steel coil?
We provide ISO9001 quality certification, Mill Test Certificate (MTC), and third-party inspection reports such as TUV, CE, SGS, and other certifications upon request.
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Company
Wuxi Sylaith Special Steel Co., Ltd.
Location
Guokun Center, Dongting North Road, Xishan District, Wuxi City
Contact Person
Eileen