1.alloy steel pipes standard GB,DIN ,ASTM ASME ,JIS
2.8-1240 1-200
3. material:all kinds of alloy
4.,massive stock

alloy steel pipe applies to petroleum,chemical industry ,electric power,boiler with its metits of high temperature resistant ,low temperature resistant ,corrosion resistant,the products can be made according to the custom requirements delivery fast ,quality guaranteed ,competitive price,welcome  to contacts us!