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Brand Name:ZNGL
Place of Origin:China
Alloy Or Not:Alloy
Section Shape:square
Outer Diameter:10 - 1000 mm
Thickness:all
Length:12M, 6m, 6.4M
Certificate:API, ce, RoHS, BIS, JIS, GS, ISO9001
Carbon steel square tubes are divided according to the production process: hot-rolled seamless carbon steel square tubes, cold-drawn seamless carbon steel square tubes, extruded seamless carbon steel tubes, and welded square tubes.
Rectangular tube is a name for square tube and rectangular tube, that is, steel tubes with equal and unequal side lengths. It is made of strip steel after process treatment.
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 |
Among them, welded carbon steel square tube is divided into:
1. According to the process - arc welding carbon steel square tube, resistance welding carbon steel square tube (high frequency, low frequency), gas welding carbon steel square tube, furnace welding carbon steel square tube
2. According to the weld seam - straight seam welded carbon steel square tube, spiral welded carbon steel square tube.