SUS630 17-4PH Stainless Steel Tube - Martensitic Precipitation Hardening Pipe with 1310 MPa Tensile Strength
Price:
6.85 USD/KG
MOQ:
1 tons
Delivery Time:
7 Days
Brand:
BAO STEEL
Product Description
Product Overview
SUS630 (17-4PH) is a martensitic precipitation hardening stainless steel tube offering exceptional mechanical properties through heat treatment. This grade provides high strength and hardness while maintaining corrosion resistance comparable to 304 stainless steel.
Key Applications
- Oil field valve parts and pump shafts
- Aircraft fittings and fasteners
- Nuclear reactor components
- Paper mill equipment
- Missile fittings and jet engine parts
- Boat propeller shafts and gears
- Plastic molding dies
Material Composition
| Element | Content Range (%) |
|---|---|
| Carbon (C) | ≤ 0.07 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 1.0 |
| Chromium (Cr) | 15.0 - 17.5 |
| Nickel (Ni) | 3.0 - 5.0 |
| Copper (Cu) | 3.0 - 5.0 |
| Niobium + Tantalum (Nb+Ta) | 0.15 - 0.45 |
Mechanical Properties
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|
| Solution Treated | 1105 (typical) | 1000 (typical) | 15 (typical) | 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 |
| Elastic Modulus | 197 GPa |
| Thermal Conductivity (100°C) | 18.4 W/m·K |
| Electrical Resistivity | 800 nΩ·m |
Heat Treatment
Solution Treatment (Condition A)
Heated at 1040°C for 0.5 hours, then air-cooled to 30°C. Small sections can be oil quenched.
Age Hardening
Hardened at low temperatures to achieve required mechanical properties. Provides excellent oxidation resistance up to 1100°F (539°C).
Product Images
Technical Specifications
Alternative Grades Comparison
| Alternative Grade | Selection Considerations |
|---|---|
| 431 | Higher toughness, better availability in some sizes |
| 416 | Free-machining martensitic stainless steel, lower cost |
| 316 | Higher corrosion resistance but much lower strength |
| 2205 | Much better corrosion resistance with lower strength |
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.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Contact Person
Gao Ben