Material : STKM13C carbon steel pipes applicable for mechanical structure(KSD 3517)
Tensile Strength : More than 52kg/?
Yield Point : More than 39kg/?
Elongation : More than 15%
Working Accuracy
Roughness of Surface : 3.2S(KSB 0161)
Straightness : 1mm/m
KSB 0401 : H8
Allowable limit of inner diameter...