1. Material: 20# (ASTM A106/A53 GRB. API 5L GRB, GB)2. Specification range: OD: 1/2in---24in. 21.3-609.6mm WT: SCH 40 SCH80 SCH160 2-60mm3. Executive standards: GB, ASME API 5L, ASTM A106/A53...4. Surface: Black lacquered, Varnish coating or galvanized.5. Ends: Beveled or square cut, Plastic capped6. Application: Seamless steel pipes for low and medium pressure boiler, high pressure boiler, and ship-building, liquid service, petroleum cracking, chemical fertilizer equipment, drawing-oil-equipment and structure purposes.
