Changzhou Pengda Precision Steel Tube Co., Ltd. [China]

Detailed Product Description

precision steel tube                         20# Precision Seamless Steel Tube    alloy seamless steel tube

features:

1)outer diameter:5mm--120mm

2)wall thickness:0.5mm--20mm

3)standard:ASTM,JIN,EN,GB,ETC.

4)length:according to customers'request.

5)packing:inner:plastic paper       outer:sack

6)our corporation also sell goods to diatan places in America, Europe,Russia,Austrilia so many countries and areas.

7)deviation of inner and outer diameter:d:0--0.03mm

surface roughness:Ra0.02--0.8um

8)linear roughness:0.03--0.15mm/m