Bright Surface Grade 17-4PH Stainless Steel Bar OD 6-300mm SS Rod
Price:
US $3.43-4.04 / kg
MOQ:
50 kg
Delivery Time:
Negotiable
Product Description
Bright Stainless Steel Bar Grade 17-4PH Stainless Steel Rod SS Bar
17-4PH Stainless Steel Round Bar is a precipitation hardening martensitic stainless steel offering high strength and moderate corrosion resistance, maintaining properties up to 600°F (316°C).
Product Specifications
| Products | 17-4PH Stainless Steel Round Bar |
|---|---|
| Standard | ASTM GB DIN EN |
| Diameter | 8 - 450mm |
| Length | 6m /pcs or cutting as request |
| Finishing | black bar / Bright Bar |
| Main Grade | 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 |
| Service | Cutting, surface polishing, heat treatment |
| Brand | Walsin BAOSTEEL TISCO QINGSHAN |
Material Description
17-4 Precipitation Hardening (Type 630) is a chromium-copper precipitation hardening stainless steel used for applications requiring high strength and moderate corrosion resistance.
General Properties
Alloy 17-4 PH 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 & Standards
| Applications | Standards |
|---|---|
|
|
Chemical Composition
| Element | Content (%) |
|---|---|
| C | max 0.07 |
| Mn | max 1 |
| Si | max 1 |
| P | max 0.04 |
| S | max 0.030 |
| Cr | 15 - 17.5 |
| Ni | 3 - 5 |
| Cu | 3 - 5 |
| Nb+Ta | 0.15 - 0.45 |
Mechanical Properties
| Condition | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| 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 |
Alternative Grade Comparison
| Alternative Grade | Reasons for Choosing 17-4PH |
|---|---|
| 431 | 431 has higher toughness than 17-4PH, better availability in some sizes |
| 416 | Free-machining martensitic stainless steel - better for repetition machining, lower cost |
| 316 | Higher corrosion resistance but with much lower strength than 17-4PH |
| 2205 | Much better corrosion resistance with lower strength (but not as low as 316) |
Processing Characteristics
Heat Treatment
Solution treatment at 1040°C for 0.5 h followed by air-cooling. Age-hardening at various temperatures achieves required mechanical properties.
Welding
Grade 630 stainless steels can be welded using all conventional methods without pre-heating requirements.
Machining
Can be machined in solution-treated condition with machining rates similar to grade 304 steels.
Product Images
Applications
- Engine components
- High strength and boat propeller shafts
- Plastic moulding dies
- Valves and gears
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben