供应PT440NL1 PT490N PT490NH碳素结构钢

20G20MnG 25MnG 08F 10F 15F 15Mn20Mn25Mn 30Mn35Mn40Mn 45Mn50Mn60Mn65Mn70MnS10CS15CS20CS25CS30CS35CS40CS45CS50CS55CS58CSWRH42BSWRH47BSWRH52BSWRH62B
1010101510201025103010401050105510601065101610221026103310371039104610531062G10050G10080
G10100G10150G10200G10250G10300G10400G10450G10500G10550G10600CK10CK15C4 CK22CK25CK30CK35CK40CK45CK53CK55CK60CK67C22EC30EC35EC40E5EC50EC55EC60EXC10C15XC18XC25
XC38XC48XC55XC60C65