AISI STKM  NB--150 Carbon steel seamless steel pipe 
ASTM Seamless Steel Pipe Application:
Backbone of Automobile and Rear Axle Tube
Manufacturing and processing of precision equipments, instruments and apparatus.
Seamless Stainless Steel Standard, Steel No:
DIN2391 St35, St45, St52
ASTM A519 1010, 1020, 1025, 1035, 1045
ASTM A513 1010, 1020, 1025, 1035, 1040
BS6323 CFS, CFS3A, CFS4-11
EN10305-1 E215, E235, E355
JIS G 3441 SCM415TK, SCM 430 TK, SCM 440 TK
GB/T3639 10, 20, 35, 45

Delivery Condition: GBK, BKS, BK, BKW, NBK.

Inspection and Test:
Chemical Composition, Mechanical Properties, Visual and Dimension Test, NDT, Grain Size Test.

Surface treatment: Oil-dip, Varnish, Shot Blasting.