ASTM A358 Stainless Steel Pipe
Outer diameter size: Electric Fusion Welded / ERW- 8" NB To 110" NB (Nominal Bore Size)
Wall thickness: Schedule 10 to Schedule 160 (3 mm to 100 mm Thickness)
Classes(CL): CL1 ,CL2 ,CL3 ,CL4, CL5
ASTM A358 Stainless Steel Pipe | High-Temperature Welded Solution
Key Advantages at a Glance:
✔ Fully compliant with ASTM A358 standards (Class 1-5 available)
✔ Superior performance in temperatures up to 800°F (427°C)
✔ Available in 304/304L, 316/316L, 317/317L grades
✔ Custom cutting, beveling, and polishing services
📞 Get Instant Pricing: Request a quote with your specifications
Chemical Composition
| Element | 304 | 304L | 316 | 316L | 317L |
|---|---|---|---|---|---|
| Cr | 18-20 | 18-20 | 16-18 | 16-18 | 18-20 |
| Ni | 8-11 | 8-12 | 10-14 | 10-14 | 11-15 |
| Mo | - | - | 2-3 | 2-3 | 3-4 |
| C | ≤0.08 | ≤0.03 | ≤0.08 | ≤0.03 | ≤0.03 |
Mechanical Properties by Class
| Property | Class 1 | Class 3 | Class 5 |
|---|---|---|---|
| Tensile Strength | ≥485 MPa | ≥515 MPa | ≥485 MPa |
| Yield Strength | ≥170 MPa | ≥205 MPa | ≥170 MPa |
| Elongation | ≥35% | ≥30% | ≥35% |
Industry Applications
- Critical Service Environments
Oil & Gas: Refinery piping systems
Power Generation: Boiler condensate lines
Chemical Processing: Acid transport pipelines
Pharmaceutical: CIP/SIP systems
- Special Features
✅ Class 5: Stabilized with Ti/Nb for superior intergranular corrosion resistance
✅ Class 3: Higher strength for pressure applications
✅ Class 1: Cost-effective general service solution
Customization Options
Available Configurations:
Sizes: 1/2" to 24" OD
Wall Thickness: SCH 5S to SCH 80S
Lengths: Random (15'-22') or cut-to-length
Surface Finish: Mill, polished (#4, #8), or electropolished
Value-Added Services:
Hydrostatic testing
PMI verification
Third-party inspection acceptance
Why Choose Our ASTM A358 Stainless Steel Pipe?
Quality Assurance:
Full traceability with mill test reports
Compliance with ASME B36.19M dimensional standards
100% radiographic testing (for Class 1)
Global Logistics:
Export-ready packaging
Worldwide shipping documentation
Just-in-time delivery options
Expert Q&A
Q: How does A358 compare to A312 pipes?
→ Both are welded stainless pipes, but A358 has stricter weld quality requirements and covers wider wall thickness ranges.
Q: Can A358 pipes be used for structural applications?
→ While primarily for pressure applications, Class 3 pipes are often used for structural supports in corrosive environments.
Q: What's the lead time for custom ASTM A358 Stainless Steel Pipe orders?
→ Standard sizes ship in 1-2 weeks; custom orders typically take 3-4 weeks.
Mob: +86-13772502581
Email: judesteel@juqing.hk
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