Commodity: ST52 honed tube
Size:40mm*30mm-325mm*300mm
Standard:DIN2391-2, EN10305-1, ASTM A519
Material:ST52, E355, E410, E460, C45E, 25CrMo4, 34CrMo4, 42CrMo4, SAE1020, SAE1026, SAE1045, SAE4130, SAE4140, etc.
Manufacture method: hydraulic cold drawn, cold rolled.
Delivery condition:BKS, NBK, GBK
Bore treating method: honing, skiving&roller burnishing
Bore roughness: 0.35um max for honed tube, 0.25um max for skived&roller burnished tube.
Straightness:0.5mm/1000mm max, 0.8mm/1000mm max.
Origin: Jiangsu Province, China.
Packing:bundle packing, oil coating, end plastic caps.
Marking: to be confirmed.