Carbon Steel Square Tube

Carbon Steel Square Tube

Carbon Steel / Carbon Steel Pipe Tube

Carbon Steel Square Tube

Carbon steel square tube is a type of steel pipe with a square cross-section, mainly composed of elements such as carbon, manganese, silicon, phosphorus, sulfur, etc. Carbon steel square pipes are widely used in fields such as building structures, mechanical manufacturing, highway facilities, bridges and pipelines.

ISO, HQTS, Lloyd's Register, DNV, SGS, V-TRUST, TÜV SÜD, Bureau Veritas

Product Parameter

Product Specifications

Square TubeRectangle Tube

All specifications products can be customized according to customer requirements

Product NameCarbon Steel Square Tube
StandardASTM A106, ASTM A53, API 5L Gr.B, DIN17175,DIN1629
Steel GradeAPI 5L: GR B, X42,X46,X56, X60,X65,X70EN:S275,S275JR,S3SSJRH,S355J2HGB:Q195,Q215,Q235,Q345,L175,L210,L245, L320,L360-L555
Materials10#,208,45*,Q235,Q345,Q195,Q215,Q345C.Q345AASTM A53A/A53B/ A178C/A106B APISLST37,ST37-2,DIN 1629 ST35,ST45 ,DIN 17175 ST35.8,DIN 17175 19Mn516Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92.15CrMO,Cr5Mo.10CrMo910,12CrMo,1 3CrMo44,30CrMo,A333GR.1.GR.3,GR.6.GR.7Gr.B.X42,X46,X52,X60,X65,X70,X80,X100
TechniqueHot rolled/cold rolled
Surface TreatmentPrime quality (bared, oiled,color paint,3UPE,or other anti-corrosive treatment)
CertificationCE,ISO,SGS,ETC
PackingWaterproof paper,and steel strip packed.Standard Export Seaworthy Package.Suit forall kinds of transport,or as required
MOQ25-28 tons, A Container
PaymentsT/T, L/C,Western union,Paypal, DP, etc
ApplicationStructure,Electric power transmission tower projects,Piling,Water,Oil & gas pipeline engineering,Mechanical industry,etc.
PortQingdao ,Tianjin ,Shanghai
Size(mm)Wall Thickness(mm)Size(mm)Wall Thickness(mm)
20*201.2-3.020*40 30*401.2-3.0
25*25 30*301.2-3.020*40 30*401.2-3.0
40*40 50*501.2-4.7530*50 25*50 30*60 40*601.2-4.75
70*70 75*75 80*80 90*90 100*1001.5-5.7560*80 50*80 100*40 120*801.5-5.75
120*120 140*140 150*1502.5-10.0160*80 100*150 140*80 100*180 200*1002.5-10.0
160*160 180*180 200*2003.5-12.0200*150 250*1503.5-12.0
250*250 300*300 350*3504.5-15.75250*200 300*200 350*200 350*250 450*250 400*300 500*2004.5-15.75
280*280 400*4005.0-20.0400*350 400*250 500*250 500*300 400*6005.0-20.0

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