• Specification：DIN2391
• Transport Package：Bundles with Steel Strips and Wooden Frame
• Tag：Mechanical Steel Tube
• Product Material：16mn , Q345 B
• Name：Precision Steel Auto Pipe
• Size：1,2"-8"
• Length：6m
• Model NO.：WAN203
• Trademark：KINGMETAL
• Origin：China
• HS Code：73060000
• Production Capacity：10000 Tons,Month

cold finished seamless steel tube for Mechanical and Automobile MATERIALStandardsTDR StandardsSteel GradesDIN1629ST 37 / 44 / 52 1630ST 37.4 / 44.4 / 52.4 179367ST 35 /  45 / 52GB/T816210#, 20#, 16Mn 8163 3639EN10305-1E215/235/355/255 10305-4E215/235/355/255JISG3445STKM11, STKM12, STKM13,STKM20ASTM A822-A450A822ISO8535ST 35 /  45 / 52ASTMA5191010/1020/1045ASTM A179-A450A179BSBS 3602CFS 360BSBS 6323CFS3,CFS4TOLERANCE TABLE OF STEEL TUBENAMESCOPE MMGB SERIESDIN SERIESENTERPRISE INTERNAL CONTROL STANDARD
mmSPECIAL HIGH PRECISION
mmOD4-30±0.10±0.08±0.05±0.0331-40±0.15±0.15±0.05±0.0341-50±0.20±0.20±0.05±0.0351-60±0.25±0.25±0.05±0.03W.T.0.5-7±0.1,min±0.12±0.1±0.1,min±0.05±0.1,min0.03Chemical and Mechanical performance:Table 1- Chemical composition Steel GradeC%Si%Mn%P%S%AL%St30Al or E215≤0.10≤0.05≤0.7≤0.025≤0.025≥0.025St35 or E235≤0.17≤0.350.4-1.2≤0.025≤0.025 St45 or E255≤0.21≤0.350.4-1.1≤0.025≤0.025 St52 or E355≤0.22≤0.55≤1.6≤0.025≤0.025 Table 2 - Mechanical properties at room temperature  Delivery conditionBKBKWGBKNBK (N)steel GradeRm Mpa (Min)A %
(Min)Rm Mpa
(Min)A %
(Min)Rm Mpa
(Min)A %
(Min)Rm Mpa
(Min)ReH Mpa
(Min)A %
(Min)St30Al or E21543083801228030290 to 43021530St35 or E23548064201031525340 to 48023525St45 or E2555805520839021440 to 57025521St52 or E3556404580745022490 to 630 
KINGMETAL STEEL INDUSTRY CO.,LTD ,is a professional company in manufacturing and saling steel pipes and pipe fittings
 tee, elbow ,reducer ,flanges). we are an old company in this area ,we start from 1989 and have rich exporting experience ...

Cooperating with us you will feel easy and safe !
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