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A36 Carbon Steel Square Tube


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

碳钢方管_01

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.


StandardAPI, ASTM, BS, DIN, GB, JIS
Outside Diameter21.3-1420mm
Wall Thickness2.11-300mm
Dia ToleranceControl with in the standard, OD:+-1%, WT:+-10%
Materials10#,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
InspectionISO,BV,SGS,MTC
PackingSteel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required
ApplicationWidely used in Structure, Accessorize,Construction, Fluid transportation,machinery parts,the stress parts of the automobile tractor parts and so on
Shipment timeWithin 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.








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