China Square Tube 20X20 mm Steel Galvanized Square Hollow Tube Gi Pipe for Greenhouse Building, Find details about China Rectangular Pipe, Square Pipe from Square Tube 20X20 mm Steel Galvanized Square Hollow Tube Gi Pipe for Greenhouse Building
ERW Steel pipe | |
Outer Diameter | 20mm-610mm |
Wall Thickness | 0.5mm-16mm |
Length | 250mm-12000mm |
Material | SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, |
Surface | galvanizing, painting, PE coating, PP coating, HDPE coating |
Standard | GB/T3091, BS1387-1987, ASTM A53, DIN2440, EN39-2001 |
Certification | ISO9000 |
Technique | ERW |
Packaging | Loose, plastic package, black strips, G.I strips |
Type | Outer diameter(inner diameter) | Allowed tolerance | Wall thickness |
Outer diameter | ≥16mm-250mm | -0.8 - +2.4mm | 0.8mm- 50mm |
>260mm-480mm | -0.8 - +3.2mm | ||
>490mm-850mm | -0.8 - +4.0mm | ||
>863.6mm | -0.8 - +4.8mm | ||
Inner diameter | All size |
Descriptions | Grades |
Structural pipe | 20# 35# 45# Q345B, 16Mn, Q345B-E, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2 SAE1018, SAE1020, SAE1518, SAE1045. |
Liquid pipe | 20# q295b-e, q345b-e |
High pressure boiler tube | 20G 15MnG 20MnG 15CrMoG, 12Cr1MoVG St35.8, sa106b, sa106c, sa210a, sa210c, A333P2, A333P11, A33P12, A333P22, A33P36, A333P91, A333P92, A335T2, A335T11, A335T12, A335T22, A335T91, A335T23, A335T9 |
Pipeline | API SPEC 5L, X42, X52, X60, X65,X70,X80 ASTMA53, ASTM A106, ASTM A333, BS301, BS3602, BS3603, BS3604, PSL1, PSL2, DNV-OS-F101, CSA-Z245 |
Alloy pipe | 4140, 42CrMo, 32CrMo, 15CrMo, |
Packing | Black paint, Varnish painting, Tarpaulin packing |
End | Common round end, beveled. |
Processing | Galvanizing; cutting; making thread outside the pipe; Machining. |
outer diameter | 16mm- 800mm |
wall thickness | 4mm- 80mm |