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Thickness:0.8 - 12.75 mm
Length:12M, 6m
Certificate:API, ce, JIS, ISO9001
Tolerance:±1%
Processing Service:Welding, Punching,
Cutting, Bending, Decoiling
Oiled or Non-oiled:Non-oiled
Invoicing:by theoretical weight
Delivery Time:7-30 days
According to the carbon content, it can be divided into low carbon steel tube (called wrought iron), medium carbon steel tube and cast iron. Generally speaking, if the carbon content is less than 0.2%, it is called low carbon steel tube, commonly known as wrought iron or pure iron, 0.2≤1.7% is called steel, and the content exceeds 1.7% is called pig iron.
Standard | API, ASTM, BS, DIN, GB, JIS |
Outside Diameter | 21.3-1420mm |
Wall Thickness | 2.11-300mm |
Dia Tolerance | Control with in the standard, OD:+-1%, WT:+-10% |
Materials | 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A |
ASTM A53A/A53B/ A178C/A106B API5L | |
ST37,ST37-2,DIN 1629 ST35, ST45,DIN 17175 ST35.8,DIN 17175 19Mn5 | |
16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo,13CrMo44,30CrMo,A333 | |
GR.1,GR.3,GR.6,GR.7 | |
Gr.B,X42,X46,X52,X60,X65,X70,X80,X100 | |
Inspection | ISO,BV,SGS,MTC |
Packing | Steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required |
Application | Widely used in Structure, Accessorize,Construction, Fluid transportation,machinery parts,the stress parts of the automobile tractor parts and so on |
Shipment time | Within 7-30 workdays after receiving deposit or L/C |
We supply mild steel square tubes in 4-13 meters and random lengths. We supply tubes in black painted finish and flat or beveled as well as cut lengths according to customer requirements. Mild steel square tubes are commonly used in oil and gas and water transmission, structural applications, general purpose casing, piling and mechanical components in the mild steel tube manufacturing process.