◈ Product Description
201 Honed Precision Rectangular Boiler Square Galvanized Carbon Seamless Stainless Copper Brass Titanium Alloy Steel Tube
Our production utilizes advanced hot rolling, cold drawing, and honing processes to ensure precise tolerances and high surface quality for diverse industrial applications.
| Process |
OD Range |
WT Range |
ID Range |
| Hot Rolling | 25 mm ~ 530 mm | 3 mm ~ 130 mm | / |
| Normal Cold Drawing | 4 mm ~ 325 mm | 0.5 mm ~ 30 mm | / |
| Cold Rolling | 4 mm ~ 273 mm | 0.3 mm ~ 25 mm | / |
| Hot Expansion | 245 ~ 1020 mm | 6 mm ~ 80 mm | / |
| Honing | / | 3.5 mm ~ 40 mm | 30 mm ~ 400 mm |
| Process |
Length Specification |
Straightness |
| Hot Rolling | 6000 mm +0 ~ 10 mm | ≤3 mm/m |
| Cold Drawing | 6000 mm +0 ~ 5 mm | 0.5 ~ 1.0 mm/m |
| Cold Rolling | 6000 mm +0 ~ 5 mm | 0.5 ~ 1.0 mm/m |
| Hot Extrusion | +0 ~ 15 mm | ≤ 0.1% of length |
◈ Frequently Asked Questions
Does the seamless steel pipe comply with international industry standards?
Yes, our seamless steel pipes strictly adhere to international standards such as ASTM, API 5L/5CT, and EN 10216. We provide complete material test reports (MTRs) and third-party inspection certificates to ensure full compliance.
How do you guarantee pressure and corrosion resistance?
We employ precision hot-rolled/cold-drawn processes combined with full-process non-destructive testing including ultrasonic and eddy current testing. Each batch undergoes chemical analysis and tensile/impact testing.
What is the typical lead time for standard and urgent orders?
We maintain a large inventory ensuring a 7-15 day lead time for standard orders. For urgent requirements, our expedited channel enables shipment within 3 working days.
Do you support customized specifications and coatings?
Yes! We offer ODM/OEM services for non-standard outer diameters, wall thicknesses, and special surface treatments like galvanization or spray coating.
What surface finishes are available for stainless steel tubes?
We offer a wide range of finishes including 2B, 2D, BA, No.1, No.4, No.8, 8K, and Mirror polished surfaces to meet different decorative or industrial needs.
What kind of packaging is used for international shipping?
All products are packed using standard sea-worthy packing methods, including bundles, wooden cases, or protective wrapping to prevent damage and corrosion during transit.