- 4130 Chromoly Tube
- 2020-05-21 13:47
- 4130 structural steel has high strength and toughness, high hardenability, critical hardenable diameter in oil is 15 ~ 70mm; the thermal strength of steel is also good, it has sufficient high temperature strength below 500 ℃, but at 550 ℃ Its strength dec
- 5140 Steel Tube
- 2020-05-16 19:31
- 5140r steel is one of the most widely used steels in mechanical manufacturing industry. After tempering treatment, it has good comprehensive mechanical properties, good low temperature impact toughness and low notch sensitivity.
- 4140 Steel Tube
- 2020-05-11 01:48
- We strictly carry out the quality system iso9001:2000 standard during production process,
- 4130 Steel Pipe
- 2020-03-12 12:03
- We have been in steel area for more than ten years, focus on producing 4130 steel tube. After acid pickling, cold rolling, cold drawn, and then adopt advanced technology for heat treatment (NBK status) to produce steel pipes with surface: bright, smooth.
- 4130 Steel Tube
- 2020-01-17 06:23
- We have been in steel area for more than ten years,focus on producing 4130 steel tube.After acid pickling, cold rolling, cold drawn, and then adopt advanced technology for heat treatment (NBK status) to produce steel pipes with surface: bright, smooth.We
