High Hardness 17-4PH Stainless Steel Bar Diameter 3-200mm After Solid Solution for Industrial Applications
Price:
US $3.37-3.72 / kg
MOQ:
50 kg
Delivery Time:
Negotiable
Product Description
High Hardness 17-4PH Stainless Steel Bar
Diameter 3 - 200mm After Solid Solution Treatment
Product Overview
17-4PH Precipitation Hardening Stainless Steel (Type 630) is a chromium-copper precipitation hardening stainless steel offering high strength and moderate corrosion resistance. This material maintains high strength up to approximately 600°F (316°C).
Product Specifications
| Product | 17-4PH Stainless Steel Round Bar |
|---|---|
| Standard | ASTM GB DIN EN |
| Diameter | 8 - 450mm |
| Length | 6m /pcs or cutting as requested |
| Finishing | Black Bar / Bright Bar |
| Main Grades | 201, 301, 303Cu, 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 318, 321, 347, 410, 420, 430, 431, 440a/b/c, 904L, 2205, 2507, Hastelloy C276, C4, C22, Inconel 600, 625, Incoloy 800, 825, 825H, etc. |
| Services | Cutting, surface polishing, heat treatment |
| Brand | Walsin, BAOSTEEL, TISCO, QINGSHAN |
Material Properties
Alloy 17-4 PH is a precipitation hardening martensitic stainless steel with Cu and Nb/Cb additions. The grade combines high strength, hardness (up to 572°F / 300°C), and corrosion resistance. Mechanical properties can be optimized with heat treatment, achieving very high yield strength up to 1100-1300 MPa (160-190 ksi).
Applications
- Offshore applications (foils, helicopter deck platforms)
- Food processing industry
- Pulp and paper industry
- Aerospace components (turbine blades)
- Mechanical components
- Nuclear waste casks
- Engine components
- High strength boat propeller shafts
- Plastic moulding dies
- Valves and gears
Standards Compliance
| ASTM | A693 grade 630 (AMS 5604B) UNS S17400 |
|---|---|
| EURONORM | 1.4542 X5CrNiCuNb 16-4 |
| AFNOR | Z5 CNU 17-4PH |
| DIN | 1.4542 |
Chemical Composition
| Element | Content (%) |
|---|---|
| C | 0.07 max |
| Mn | 1.0 max |
| Si | 1.0 max |
| P | 0.04 max |
| S | 0.030 max |
| Cr | 15.0 - 17.5 |
| Ni | 3.0 - 5.0 |
| Cu | 3.0 - 5.0 |
| Nb+Ta | 0.15 - 0.45 |
Mechanical Properties
| Condition | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell C (HRC) |
|---|---|---|---|---|
| Solution Treated | 1105 typ | 1000 typ | 15 typ | 38 max |
| Condition 900 | 1310 min | 1170 min | 10 min | 40 min |
| Condition 1150 | 930 min | 724 min | 16 min | 28 min |
Physical Properties
| Property | Value |
|---|---|
| Density | 7750 kg/m³ |
| Thermal Conductivity at 100°C | 18.4 W/m·K |
| Thermal Conductivity at 500°C | 22.7 W/m·K |
| Specific Heat (0-100°C) | 460 J/kg·K |
| Electrical Resistivity | 800 nΩ·m |
| Mean Coefficient of Thermal Expansion (0-100°C) | 10.8 µm/m·°C |
Heat Treatment
Solution Treatment: Heated at 1040°C for 0.5 h, then air-cooled to 30°C
Hardening: Age-hardened at low temperatures to achieve required mechanical properties
Corrosion Resistance
17-4PH stainless steel withstands corrosive attacks better than standard hardenable stainless steels and is comparable to Alloy 304 in most media. It demonstrates good resistance to stress corrosion cracking when aged at 550°C or higher.
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Our team provides comprehensive technical support including cutting, surface polishing, and heat treatment services to meet your specific application requirements.
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Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben