Gas Spring DIN2391 E355 Hot Rolled Steel Carbon Seamless Pipe
USD $500 - $700 /Metric Ton
Min.Order:3 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
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1.Seamless steel tube
Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can also offer ascustomized seamless steel tube.
ld drawn/rolled steel tube
Grade: 20# 45# 16Mn 25Mn 27SiMn E355 ST52
Standard: GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519
Range: 30-250mm
Length: 11m(max)
The cold process can change the thickness of tube to meet client's request and offer better mechanical property.
3. SRB&Honed steel tube
ID Tolerance: H8 H9 or as client's request
ID Roughness: RA0.4micron(max)
Length: 6m(max)
Inner roughness: Ra0.2-0.8um
Straightness: 1:1000 or customized
This process can improve the roughness of the inner tube to 0.2-0.8um and make inside tube more smooth which can be used for cylinder directly.
1.100% quality satisfaction guarantee following with ISO9001 verified
2. professional package which can assure long distance sea transportation
3. delivery in time
4. more than 20 years experience specializing in steel trading line
5.alibaba trade assurance supplier