Round steel pipes have a hollow circular cross-section and come in various forms depending on the manufacturing process: hot-rolled steel pipes, welded steel pipes, and seamless steel pipes. We see a large number of round steel pipes used in engineering construction!Sino Sea stocks hundreds of sizes of round tube at wholesale prices in ready to ship precut and mill lengths or you can order just what you need custom Cut to Size in any quantity.
Round steel pipes have a hollow circular cross-section and come in various forms depending on the manufacturing process: hot-rolled steel pipes, welded steel pipes, and seamless steel pipes. We see a large number of round steel pipes used in engineering construction!
Sino Sea stocks hundreds of sizes of round tube at wholesale prices in ready to ship precut and mill lengths or you can order just what you need custom Cut to Size in any quantity.
Product description | Round pipe | ||||||
Steel No./Grade | Q195,Q235,Q355,ASTM A36, SS400,s201, s304 | ||||||
Technology | Hot rolled, weld, seamless | ||||||
Standard | GB/T21835-2008;GB/T3092; GB/T8162-2008;GB/T8163-2008;GB/T14975-2002;ASTM SA335;ASTM SA213;JISG3467-88;JISG3458-88;DIN 17458 | ||||||
Diameter mm | Thickness mm | Diameter mm | Tickness mm | Diameter mm | Thickness mm | ||
6 | 1 | 51 | 2-8 | 159 | 3-25 | ||
8 | 1-2 | 57 | 2-10 | 168 | 3-30 | ||
10 | 1-5 | 60 | 2-10 | 180 | 3-30 | ||
12 | 1-3 | 63 | 2-10 | 219 | 4-35 | ||
14 | 1-4 | 65 | 3-10 | 245 | 5-35 | ||
16 | 1-4 | 68 | 3-10 | 273 | 5-40 | ||
18 | 1-4 | 70 | 3-10 | 325 | 5-40 | ||
20 | 1-5 | 73 | 3-10 | 355 | 5-40 | ||
22 | 1-5 | 76 | 2-16 | 377 | 8-45 | ||
25 | 1.5-5 | 80 | 2-16 | 426 | 8-50 | ||
27 | 2-5 | 83 | 2-16 | 456 | 8-50 | ||
28 | 2-5 | 89 | 2-16 | 530 | 8-50 | ||
30 | 2-8 | 95 | 2.5-16 | 630 | 10-40 | ||
32 | 2-8 | 102 | 2.5-18 | ||||
34 | 2-8 | 108 | 2.5-18 | ||||
36 | 2-8 | 114 | 2.5-18 | ||||
38 | 2-8 | 120 | 3-18 | ||||
40 | 2-8 | 127 | 3-18 | ||||
42 | 2-8 | 133 | 3-18 | ||||
45 | 2-8 | 140 | 3-20 | ||||
48 | 2-8 | 152 | 3-20 | ||||
Port Proximity：
Only dozens of km from Tianjin Port, saving up to 15% logistics cost, rapid export.
Direct Mill Network：
Deep partnerships with major steel mills in Hebei,Shandong: stable supply, transparent pricing.
100k+ Tons/Year：
Proven export experience, strict quality control, on-time delivery to 30+ countries.
One-stop Solutions：
Full integration of procurement, QC, logistics, customs clearance to boost efficiency.
