STKM 13C Honed barrel also known as mild steel seamless cold drawn tubes. JIS STKM 13C honed tube is low-cost Low Carbon Steel Tubes with max 012 % carbon content with combination of max 060 % manganese easy to form and shape .These pipes are manufactured as per JIS Specification and commercially referred as cs pipes or ms pipes. Low Carbon Steel Pipes are not as hard as high carbon steel pipes,Though carburizing can increase its surface hardness.
| Standard | Grade | Chemical Components (%) | Mechanical properties （Bright Annealing) | |||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | ||
| JIS G3445 | STKM 13C | 0.2 | 0.21 | 0.38 | 0.011 | 0.003 | 0.07 | 0.01 | 0.03 | 635 | 565 | 16 |
JIS G3445 STKM 13C carbon steel tubes used for machinery, hydraulic cylinder barrels, automobiles, bicycles, furniture, appliances, and other machine parts. STKM 13C hydraulic cylinder barrel is produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard.Other Materials SAE1020, 20#, CK45 hydraulic cylinder tube, ST52, E355 tubes and so on for you to choose. ID and OD tolerance could be decided by customer. IF you are looking for seamless cold drawn pipe for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.