17-4PH 630 H900 Stainless Steel Round Bar & Square Bar - High Strength & Corrosion Resistance
17-4PH 630 H900 Stainless Steel Round Bar & Square Bar
Baobin Group's stainless steel bars are precision-engineered for high-performance applications requiring exceptional strength, corrosion resistance, and durability. Our 17-4PH 630 H900 stainless steel round and square bars are widely used in aerospace, defense, oil and gas, chemical processing, and other demanding industries where reliability is critical.
Product Overview
17-4PH (UNS S17400) is a martensitic precipitation hardening stainless steel known for its excellent combination of strength, corrosion resistance, and toughness. The H900 condition provides a balance of high strength and good ductility, making it ideal for components that require both strength and formability.
Key Features
- High strength and excellent corrosion resistance
- Good toughness and fatigue resistance
- Excellent mechanical properties at elevated temperatures
- Resistant to stress corrosion cracking
- Available in both round and square cross-sections
- Custom sizes and lengths available upon request
Technical Specifications
| Specification |
Value |
| Material Grade |
17-4PH (UNS S17400) |
| Condition |
H900 |
| Tensile Strength |
1240-1410 MPa (180-205 ksi) |
| Yield Strength (0.2% offset) |
1030-1170 MPa (150-170 ksi) |
| Elongation |
Minimum 8% |
| Hardness (HRC) |
38-44 |
| Corrosion Resistance |
Excellent in mild to moderately aggressive environments |
| Available Sizes (Round Bar) |
Diameter: 5mm to 300mm (custom sizes available) |
| Available Sizes (Square Bar) |
Side: 5mm to 150mm (custom sizes available) |
| Length |
Standard: 2m-6m (custom lengths available) |
| Surface Finish |
Hot rolled, cold drawn, or polished as required |
| Delivery Time |
7-14 days for standard sizes (custom orders may vary) |
| Certifications |
ISO 9001, ISO 14001, OHSAS 18001, EN 10204 3.1, ASTM, ASME, NACE MR0175 |
Customization Options
Baobin Group offers comprehensive customization services for our stainless steel bars to meet your specific requirements:
- Custom diameters and side lengths
- Special lengths and cutting services
- Various surface finishes
- Special heat treatment requirements
- Custom packaging and labeling
Quality Assurance
All our stainless steel products undergo rigorous quality control processes to ensure they meet international standards. We provide:
- Material test reports (MTRs) with each shipment
- Third-party inspection services
- Full traceability of materials
- Compliance with ASTM, ASME, and other industry standards
Frequently Asked Questions
What is the typical lead time for custom orders?
For custom sizes or special requirements, the lead time typically ranges from 15 to 30 days, depending on the complexity of the order and current production schedules. Our sales team will provide an accurate estimate based on your specific requirements.
Can you provide material test reports for your stainless steel bars?
Yes, we provide comprehensive material test reports (MTRs) with every shipment. These reports include chemical composition, mechanical properties, and other relevant test data to ensure full traceability and quality assurance.
What surface finishes are available for these stainless steel bars?
We offer various surface finishes including hot rolled, cold drawn, and polished finishes. The standard surface finish is hot rolled, but we can provide other finishes upon request. Please contact our sales team for specific requirements.
Do you offer cutting and machining services for these bars?
Yes, we provide cutting services to your specified lengths. For more complex machining requirements, we can coordinate with our partner facilities to provide fully machined components to your specifications.