ASTM Stainless Steel Square Pipe - SS 304 Square Tube A554
Premium welded stainless steel square pipes available in grades 201, 304, 304L, and 316L with polished surface finish. Manufactured using advanced technology and high-quality raw materials, these products are ideal for infrastructure, furniture, and engineering industries.
Chemical Composition Comparison
| Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
| 201 |
≤0.15 |
≤1.00 |
≤5.5-7.0 |
≤0.060 |
≤0.030 |
3.50-5.50 |
16.00-18.00 |
- |
| 202 |
≤0.15 |
≤1.00 |
≤7.50-10.00 |
≤0.060 |
≤0.030 |
4.0-6.0 |
17.0-19.0 |
- |
| 304 |
≤0.07 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-11.00 |
17.00-19.00 |
- |
| 304L |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-12.00 |
18.00-20.00 |
- |
| 316 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
10.00-14.00 |
16.00-18.50 |
2 |
| 316L |
≤0.03 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
12.00-15.00 |
16.00-18.00 |
2 |
Packaging & Shipping
We employ robust packaging solutions for international shipments to ensure product integrity throughout transit. Our packaging methods include:
- Waterproof paper reinforcement with steel strip
- Kraft paper wrapping
- Secure carton boxes
- Sturdy wooden pallets
- Protective wooden boxes
- Reinforced wooden crates
Product Marking
All products are clearly marked with comprehensive details corresponding to test certificates. Surface coding includes grade, size, and standard specifications using advanced marking systems:
- Drop on demand printing
- Continuous ink jet printing
- Laser printing technology
Company Advantages
- Custom surface finishes available (2B, BA, Hairline, No.4, Brush, Mirror, Golden Mirror, color stainless steel)
- High production capacity: 2000 tons/month for reduced wait times
- MTC provided before shipment
- First quality products at competitive prices
- Custom specifications accepted including laser cutting, welding, and surface treatment
- Regular stock availability for urgent requirements
Thickness Specifications
| Written Thickness (mm) |
0.60 |
0.70 |
0.80 |
0.90 |
1.00 |
1.20 |
1.50 |
2.00 |
2.50 |
3.00 |
3.50 |
4.00 |
4.50 |
| Actual Thickness (mm) |
0.32 |
0.40 |
0.50 |
0.60 |
0.70 |
0.90 |
1.10 |
1.40 |
1.90 |
2.40 |
2.90 |
3.40 |
3.90 |
Frequently Asked Questions
How do you control quality?
Mill Test Certification is supplied with shipment, and third-party inspection services are available upon request.
What are the advantages of your company?
We employ experienced professionals and technical personnel, offering competitive pricing and superior after-sales service compared to other stainless steel suppliers.
How many countries have you exported to?
We have exported to over 50 countries including America, Russia, UK, Kuwait, Egypt, Brazil, UAE, Germany, Dubai, Saudi Arabia, Iran, Turkey, Jordan, Malaysia, and Singapore.
Can you provide samples?
Small samples from stock are available free of charge. Customized samples require approximately 5-7 days for preparation.
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