1.Seamless Steel tubes ASTM A53 for general purposes: SA53B specification: wall thickness: 1/4”-28”Outer Diameter: 13,7-711.2mm
2. SEAMLESS STEEL TUBE for high temperature service: ASTM A106 ,SA106B, specification: wall thickness: 1/4”-28”Outer Diameter: 13,7-711.2mm
3.Pipe line API SPEC 5L. : SA106 SPECIFICATION: 1/4”-28”, 13.7-711.2 mm
4.Seamless low carbon steel tube for heat exchange and condensers: ASTM A 179 , specification: 3/4”, 1”
5. SEAMLESS STEEL TUBES ASTM AS33 for low temperature service at-40 °C-101 °C : GR 1,GR 3, 6. GR.7, specification: 1/4”-28”, 13.7-711.2 mm.
6. Din 2448/1629 seamless steel tube: ST37, ST44, ST52, specification: 1/4”-28”, 13.7-711.2 mm.
7.Heat resistant seamless steel tubes (heat strength tubes) DIM7175-1979: carbon Structural Steel St35.8-St45.8/, St35.8-St45.8.
8. Seamless steel tubes for structural purposes : 10 # , subtotal, 35 # , 45 #, specification, 6-720mm* 1-70 mm .
9. Seamless steel tubes for fluid conveyance: 10 # , 20 # , specification: 6-P20 * 1-70 mm
10. Low and medium pressure boiler tubes: 10 # , 20 # . Size: 6-720 * 1-70 M
11.High-pressure boiler tubes: 20#, specification: 6-720 * 1-70mm, are seamless carbon steel nominal tubes for high-temperature service. The Execution Standard ASME is identical with ASTM STANDARD A106/A106M-08.