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API 5CT 75x75 Tube Square Pipe Or Rectangular Hollow Section Steel Pipes Product Name Black Square steel Pipe Diameter 20*20-1000*1000 Length 1-12m Surface Galvanized/Customer requirements Package Bundle Or Customer requirements Payment Terms T/T,L/C Torich International Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes

ASTM A311 / A311M Cold-Drawn Stress-Relieved Carbon Steel Bars Material 20Cr,40Cr, 40CrMo,20CrMo,35CrMo 42CrMo, , 45# ,SAE 1045 ,S45C ,SAE2150, SCr420,17Cr3, SAE5140,SCr440,41Cr4, SAE4118 ,SCM 420, 18CrMo4 ,SAE4130,SCM 430,25CrMo4, SAE4135, SCM435,34CrMo4 ,SAE4142,SCM 440,42CrMo4 OD 5.5-250MM Length 1-9m or As Customers' Requirement Application chemical industry,shipping industry, manufacturing industry,construction,decorate industry,electric power,pump shafts,sanitary wares

ASTM A311 / A311M Cold-Drawn Stress-Relieved Carbon Steel Bars Material 20Cr,40Cr, 40CrMo,20CrMo,35CrMo 42CrMo, , 45# ,SAE 1045 ,S45C ,SAE2150, SCr420,17Cr3, SAE5140,SCr440,41Cr4, SAE4118 ,SCM 420, 18CrMo4 ,SAE4130,SCM 430,25CrMo4, SAE4135, SCM435,34CrMo4 ,SAE4142,SCM 440,42CrMo4 OD 5.5-250MM Length 1-9m or As Customers' Requirement Application chemical industry,shipping industry, manufacturing industry,construction,decorate industry,electric power,pump shafts,sanitary wares

GOST 8734-75. Seamless Steel Tubes Cold-Formed Outside Diameter: 5 – 140 mm (5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 32; 34; 35; 36; 38; 40; 42; 45; 48; 50; 51; 53; 54; 56; 57; 60; 63; 65; 68; 70; 73; 75; 76; 80; 83; 85; 89; 90; 95; 100; 102; 108; 110; 120; 130; 140) Wall Thickness: 0,4 – 12 mm (0,4; 0,5; 0,6; 0,8; 1; 1,2; 1,4; 1,5; 1,6; 1,8; 2; 2,2; 2,5; 2,8; 3; 3,2; 3,5; 4; 4,5; 5; 5,5; 6; 6,5; 7; 7,5; 8; 8,5; 9; 9

EN10216-1 P195TR1 , P195TR2 , P235TR1 , P235TR2 Seamless Heavy Wall Steel Pipes Standard: EN10216-1 Seamless steel tubes for pressure purposes-Technical delivery conditions Non-alloy steel tubes with specified room temperature properties Applications: for manufacturing pipelines, vessel. Euqipment.pipt fittings and steel structure Size range: O.D.:10.2-711mm W.T.:1-100mm L:max12000mm Chemical composition Steel Grade C Si Mn P S Cr Mo Steel Name Steel Number max max max max

Standard:EN10297-1 Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions Non-alloy and alloy steel tubes Application: for seamless circular tubes made of non-alloy and alloy steels for mechanical and gneral engineering purposes. Size range: O.D.: 6-168mm W.T.: 1-30mm L:max12000mm Material: Fine Grain Steel E235, E275, E315, E355, E470 C15, C22, 38Mn6, 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4 Delivery condition:

A333/A333M Seamless and Welded Steel Pipe for Low-Temperature Service Material: Carbon and Alloy Steel, ferritic steel Grade 1A, Grade3, Grade 4, Grade 6A, Grade 7A Manufacture: The pipes are made by seamless and welding process with the addition of no filler metal in the welding operation. Grade 4 is manufactured by seamless process Heat treatment: All seamless and welded pipes, other than Grades 8 and 11, are heat treated to control their microstructure in accordance with