Specifications:
1) Size range:16~159mm(O.D.)*1~18mm(W.T.)
2) Heat treatment: NBK(+N), BK(+C), GBK(+A),BKW(+LC),BKS(+SR)
3) Standard: EN10305,DIN2391,DIN2393,DIN2394,DIN2445,DIN1629,DIN17175,ASTM A 53,ASTM A106,ASTM A179.ASTM A192,ASTM A513-5,ASTM A519,EN10210,EN10216-2,BS3059
4) Smooth surface, uniform mechanical property, tight tolerance
5) producing area: China
6) payment: T/T
7) supplying capacity: 25000T/year
8) Packing: Oil coating, caps, marking, Hexagonal bundle packing with steel strips, covered with plastic fabric