CSM can also produce according to Standard ASTM and ASME, while we can supply various specific specifications as customer's standards or technical requirement. Grade: Gr 1, Gr 2, Gr 4, Gr 5, Gr 9, Gr 11, Gr12, Gr13, Gr14, Gr 15, Gr16 ASTM B338 GR1 ASTM B337/B861 GR1 ASTM B862 GR1 ASTM B338 GR2. ASTM B337/B861 GR2 ASTM B862 GR2 ASTM B338 GR3 ASTM B337/B861 GR3. ASTM B862 GR3 ASTM B338 GR7 ASTM B337/B861 GR7 ASTM B862 GR7. ASTM B338 GR9 ASTM B337/B861 GR9 ASTM B862 GR9 ASTM B338 GR11. ASTM B337/B861 GR11 ASTM B862 GR11 ASTM B338 GR12 ASTM B337/B861 GR12. ASTM B862 GR12 ASTM B338 GR13 ASTM B337/B861 GR13 ASTM B862 GR13.
