1. Profile
1. Crane rail bai (GB3426-82) 10. Carbon welding rod steel wire rod (GB3429-82)
2. Railway rails (GB2585-81) 11. Structural steel for bridges [YB(T)10-81]
3. Light rail (GB11264-89) 12. Hot-rolled carbon steel for bridge construction (GB714-65)
4. Hot-rolled steel bars (GB1499-84) 13. Electric welded anchor chain steel (YB897-85)
5. Heat-treated steel bars for prestressed concrete (GB4463-84) 14. Mining steel (GB3414-82)
6. Cold heading steel (YB534-65) 15. Agricultural compound steel (GB1199-75)
7. Cold and hot top forging riveting steel (GB715-89) (GB715-65) 16. Agricultural machinery steel
8. Hollow steel for rock drilling rods (GB1301-87) 17. Sectional steel for machine-driven ploughshares (GB1465-78)
9. Cold-drawn high-quality structural steel (GB3078-82) 18. Hot-rolled section steel for clad strip (GB3085-82)
Second, the plate
1. High-quality carbon thick steel plate (GB711-88) 21. Hot-rolled thin steel plate for enamel (YB474-64)
2. Structural steel for shipbuilding (GB712-88) 22. Hot-rolled sheet steel for air compressor valve plate (YB539-65)
3. Thick steel plates for pressure vessels and multi-layer pressure vessels (GB6654-86) 23. Hot-rolled carbon structural steel sheets for 200-liter oil drums (GB3276-89)
4. Low-alloy thick steel plate for low temperature pressure vessel (GB3531-83) 24. Hot-dip galvanized steel plate and steel strip
5. Weathering structural steel 25. Tin-plated steel sheet and steel strip
6. High-quality carbon structural steel hot-rolled thick steel plate for automobiles (GB3275-82) 26. Plastic conforming to thin steel plate
7. Hot rolled steel plate for automobile beam (GB3273-89) 27. Classification and code of steel strip
8. Carbon steel and low-alloy steel plates for boilers (GB713-88) 28. High-quality carbon structural steel cold-rolled steel strips (GB3522-83)
9. Carbon steel and ordinary low-alloy steel plates for bridges (YB168-70) 29. Low-carbon steel cold-rolled steel strips (GB3526-83)
10. Alloy structural steel plate for aviation (YB540-65) 30. Hot-rolled carbon steel and low alloy steel wide strip and steel plate for bicycle (GB3645-89)
11. Stainless hot-rolled thick steel plate (GB4237-84) 31. Cold-rolled carbon steel wide strip and steel plate for bicycles (GB3644-89)
12. Cold rolled stainless steel sheet (GB3280-84) 32. Cold rolled steel strip for bicycle chain (GB3643-83)
13. Weight calculation method of stainless steel plate (GB4229-84) 33. Cold rolled steel strip for bicycles (GB3646-89)
14. Heat-resistant steel hot-rolled steel sheet and cold-rolled steel sheet (GB4238-84) 34. Cold-rolled, hot-rolled steel strip and flat steel for watches
15. Alloy structural steel sheet (GB5067-85) 35. Cold rolled steel strip for shaving blades (GB3527-89)
16. Hot rolled sheet of spring steel (GB3279-89) 36. Cold rolled steel strip of spring steel and tool steel (GB3525-83)
17. High-quality carbon structural steel sheet and steel strip (GB710-88) 37. Cold rolled stainless steel strip and heat-resistant steel strip (GB4239-84)
18. Hot-rolled steel sheets and strips for general structures (GB2517-81) 38. Hot-rolled electrical steel sheets (GB5212-85)
19. Cold-rolled steel sheet and strip for deep drawing (GB5213-85) 39. Cold-rolled electrical steel strip (sheet) (GB2521-88)
20. Pickled thin steel sheet (YB178-65) 40. Cold rolled electrical steel sheet (YB73-63)
41. Grain-oriented silicon steel thin steel strip (GB11255-89)
Three, pipe
1. Seamless steel pipe for structure (GB8162-87) 8. Petroleum butt welded drill pipe, drill collar, kelly pipe and casing (YB691-70)
2. Cold drawn or cold rolled precision seamless steel pipe (GB3639-83) 9. Geological and petroleum drilling steel pipes, petroleum oil pipes and their joints (YB235-70)
3. High pressure seamless steel pipe for fertilizer equipment (GB6479-86) 10. Seamless steel pipe for petroleum cracking (GB9948-88)
4. High-pressure seamless steel pipe for boiler (GB5310-85) 11. Seamless steel pipe for conveying fluid (GB8163-87)
5. Low and medium pressure seamless steel pipes for boilers (GB3087-82) (YB(T)33-86) 12. Seamless steel pipes for diesel engines, ships and bearings
6. Seamless steel pipe for automobile axle casing (GB3088-82) 13. Stainless steel seamless steel pipe (GB2270-80)
7. Seamless steel pipes for diamond core drilling (GB3423-82) 14. Stainless, acid-resistant steel seamless steel pipes with extremely thin walls and small diameters (GB3089-82) (GB3090-82)
15. Diameter 5-152mm electric welded steel pipe (YB242-63)
Fourth, wire
1. Steel wire for welding (GB1300-77) (GB4242-84) 13. General purpose hot-dip galvanized low carbon steel wire (GB3081-82)
2. Carbon spring steel wire (GB4357-89) 14. General purpose electro-galvanized low carbon steel wire (GB9972-88)
3. Chrome vanadium spring steel wire (GB5219-85) 15. Low carbon steel wire for important purposes (GB3083-82)
4. Spring steel wire for important purposes (GB4359-89) 16. Galvanized low carbon steel wire for communication lines (GB346-84)
5. Carbon structural steel wire for bearing retainer (GB5955-86) 17. Steel wire for rope making (GB1178-74)
6. Carbon structural steel wire for cold heading (GB5953-86) 18. Galvanized steel wire for steel core aluminum stranded wire (GB3428-82)
7. Alloy structural steel wire for cold head forging (GB5954-86) 19. Free-cutting steel and carbon tool steel for watches, silver bright steel bar (YB467-64) (YB468-64)
8. Steel wire for spokes (GB1201-89) 20. High-speed tool steel silver bright steel rods and stainless steel and cobalt-based alloy round wires for watches (YB470-64) (YB471-64)
9. Alloy structural steel wire (GB3079-82) 21. High-quality carbon structural steel wire (GB3206-82)
10. High-speed tool steel wire (GB3080-82) 22. Carbon tool steel wire (GB5952-86)
11. Stainless steel wire (GB4240-84) 23. Music wire (GB4358-84)
12. Steel wire for prestressed concrete (GB5223-85) 24. Recommended steel wire for welding (YB/Z11-76)
Five, high temperature, corrosion resistance and precision alloy grades and uses
1. High temperature alloy (GBn175-82) 3. Precision alloy (GBn291-89)
2. Corrosion resistant alloy (GBn271-88)
