Stkm 11a 13a 13b 13c 14a JIS G3445 seamless steel pipe
1.Internal Diameter Accuracy : H7, H8, H9
2.Internal Roughness : Ra 0.2μm ~ Ra 0.8μm
3.Straightness : 1-1.2/1000mm
4.Standard Length : 3M~11M
5.Special Length : 12M
6.Diameter : 18Ø~ 300Ø
7.Thickness: 1mm~20mm
7.Material : JIS STKM13A,B,C, DIN ST52, SAE1020,etc
8. Manufacture process: Cold-drawn
9. Delivery condition: See table attached
10. Marking, surface anti-rust protection, end-protection methods to be confirmed.
11. Packing: To be confirmed. Our standard packing will be hexagonal bundle packing tied with steel strips.
12. Tubes with specif requirements about sizes&size tolerance, mechanical properties, surface roughness can be negotiated for production&supply.
13. Delivery condition:BK,BKW,BKS,GBK,NBK