Welded Pipe Stainless Steel 300 Series Thick 0.1-3mm 301/304/316/321
Model NO. | 316 304 |
Certification | ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS |
Shape | Round |
Technique | Cold Rolled |
Surface Treatment | Polished |
Material | Stainless Steel |
200 Series | 201, 202 |
300 Series | 301, 304, 304L, 316, 316L, 310, 317, 321 |
400 Series | 409, 410, 420, 430, 436, 444, 441, 440c |
Duplex Steel | 904L, 2205, 2507, 2101, 2520, 2304 |
Thickness | 0.5mm-40mm |
Diameter | 6mm-630mm; 10mm-2000mm. |
Length | 6000mm, Customize. |
Manufacturing Method | Cold Rolled, Hot Rolled |
Surface | Primary, Bright Polished, Hairline, Mirror |
Shapes | Round, Square, Rectangular, Oval |
Seam | Seamless, Welded (ERW,Efw,Seamless,Spiral Welded) |
MOQ | 1 Ton |
Free Sample | Available |
Transport Package | Seaworthy Packing with Wooden Pallet |
Specification | 6mm-630mm, customize. |
Trademark | Asiaalloy |
Origin | China |
HS Code | 7304419000 |
Production Capacity | 1000 Tons/ Month |
Description
Product | Stainless Steel Pipe |
Standard | ASTM, GB, JIS, DIN, EN, AISI |
Steel Grade | 200 Series: 201,202 300 Series: 301,304,304L,316,316L,316Ti,309,310,317,321 400 Series: 409,410,420,430,436,444,441,440c Duplex Steel: 904L,2205,2507,2101,2520,2304 |
Wall Thickness | 0.5mm-40mm |
Outer Diameter | Seamless: 6mm-630mm; Welded: 10mm-2000mm. Square: 10×10-300x300mm. Rectangular: 10×20-600x800mm. |
Length | 5800mm, 6000mm, as required. |
Manufacturing Method | Cold Rolled, Hot Rolled |
Surface | Primary, Bright Polished, Hairline, Mirror |
Shape | Round, Square, Rectangular, Oval |
Seam | Seamless, Welded (ERW,EFW,Seamless,Spiral Welded) |
Color | Golden, Champagne gold, Rose gold, Bronze, Brass, etc. As required. |
MOQ | 1 Ton |
Free Samples | Available |
Package | Seaworthy packing. |
Leading time | Usually 7-15 days, if in stock 1-3 days. |
Payment terms | T/T 30% for deposit. 70% balance before shipment |
Delivery Terms | FOB/CIF/CFR/EXW |
Raw Material Source | Tisco, Baosteel, Qingshan or as Your Request |
Detailed Photos

FAQ
Are you a factory or a trading company?
We are a dedicated factory specializing in the manufacturing of seamless stainless steel pipes. Additionally, we offer welded stainless steel pipes and pipe fittings to meet your comprehensive needs. Our in-depth market knowledge ensures that we deliver only the highest quality products, each meticulously inspected before shipment.
Do you have any certificates?
We proudly hold numerous prestigious domestic and international certifications, including the EU ISO9001 Quality Management System Certification, TUV Welding Certification, and the China Pressure Pipe Manufacturing License (TS).We are also exclusively authorized by the American Hastelloy Company in China for the collaboration, development, and production of Hastelloy long products.
What is your delivery time?
Delivery time primarily depends on your order volume. Typically, we deliver within approximately one month for a standard 40FT container. For in-stock items, shipping can be expedited to just 5 days.
What are your payment terms?
Our standard payment terms are a 30% deposit with the remaining balance against the bill of lading. We also accept L/C. Shipping terms include EXW, CFR, and CIF, tailored to your preference.
How can you guarantee the quality of my goods?
We ensure all materials undergo 100% PMI testing and precise measurement before shipping. We welcome third-party inspections and provide the EN10204.3.1B Mill Test Certificate for all materials.
How do you establish long-term and positive business relationships?
1. We maintain superior quality and competitive pricing to maximize our customers’ benefits.
2. We respect every customer, conducting business with sincerity and maintaining high service standards both before and after every transaction.