• Model NO.：ASTM A53 Gr. b
• Transport Package：Standard Export Packing
• Specification：3,8"-40"
• Origin：Tianjin
• HS Code：73066100
• Production Capacity：50000ton,Year

 
StandardASTM A106 A53 A192 A179 A210 A519DIN17175 1629 2391EN10216-1 10216-2 10305-1and so onGradeSt35,St45,St52,E215,E235,E355,sch10,sch20,A106,A179,A192,A210,T11,T22,T12,AISI4130,SAE1010,SAE1020.etcCraftCold rolled and Cold drawnSizeOD:8mm-100mm,WT:1-8mmLengthCustomizedToleranceCold drawn pipe: +/-0.1mm
 Cold rolled pipe: +/-0.05mmUsedGas spring, Shock absorber, Cylinder and other high precision areaDelivery ConditionBK, BKW, BKS, GBK, NBK


Cold Finished (Hard)(HK)Cold drawn and stress-relieved(BK+S)Hardness HB ParametersT.SElongationT.SY.SElongation  obN/mm²65%obN/mm²obN/mm²65% CK20≥550≥8≥520≥470≥12175 CK45≥650≥5≥600≥520≥12207 ST52≥640≥5≥600≥520≥15190 25Mn≥640≥5≥600≥510≥15195 27SiMn≥840≥5≥800≥720≥10230         Normal dimension of steel pipeSquare (SHS)Rectangular(RHS)Circle (CHS)Out dia.
(mm)Wall thickness
(mm)Out dia.
(mm)Wall thickness
(mm)Out dia.
(mm)Wall thickness
(mm)10x100.5-1.010x200.6-1.0100.5-1.012x120.5-1.012x250.6-1.0120.6-1.016x160.6-1.220x400.6-1.6160.6-1.019x190.6-1.525x500.8-2.75190.6-1.520x200.6-1.630x500.8-3.0200.6-1.525x250.8-2.7530x600.8-3.021.50.6-1.530x300.8-2.7540x601.0-4.0250.8-2.7532x321.0-3.040x801.5-4.0270.8-2.7538x381.0-3.050x751.5-4.0320.8-3.040x401.0-3.550x1002.0-6.038.11.0-3.050x501.0-5.050x1252.0-6.042.51.0-3.560x601.0-6.050x1503.0-6.048.41.0-5.063.5x63.51.0-6.060x801.5-6.050.81.0-5.070x701.5-6.060x1002.0-6.063.51.0-6.075x751.5-6.060x1202.0-6.0681.2-6.080x802.0-6.075x1002.0-6.0701.2-6.090x902.0-6.075x1252.0-6.0731.4-6.0100x1002.3-6.075x1503.0-6.0761.4-6.0120x1203.0-6.080x1202.0-6.0802.0-6.0125x1253.0-6.080x1603.0-6.0892.0-6.0150x1503.5-8.0100x1504.0-12902.0-6.0200x2004.0-12100x1754.0-12952.0-6.0250x2505.0-12100x2004.0-121002.3-6.0300x3005.0-14150x2004.0-121022.3-6.0350x3506.0-14150x2504.0-141082.3-6.0400x4006.0-18150x3005.0-161102.3-6.0500x5008.0-20200x3005.0-161142.3-6.0600x6008.0-20200x4006.0-161333.0-6.0
 
 300x5006.0-201403.0-8.0
 
 400x6008.0-201523.0-8.0
 
 
 
 1653.0-8.0
 
 
 
 1903.5-12
 
 
 
 2004.0-12
 
 
 
 2194.0-12
 
 
 
 2734.0-14
 
 
 
 3255.0-16
 
 
 
 3775.0-16
 
 
 
 4266.0-20

Our steel pipe has many advantages comparing to others, these pipe are made by erw steel pipes:

1. Lower price comparing to seamless steel pipe or stainless steel pipe;

2. Excellent physical performance in applications;

3. Shorter Delivery time;

4. Large quantities in stock;