




Paramtents
Grade Gr1, Gr2,Gr7,Gr12
Thickness 0.5mm - 5mm
Width 30-1500mm
Length ≥500
Technology Hot-Rolled, Cold-Rolled, Hot forging
Condition Cold rolled(Y), Hot rolled(R), Annealed (M)
Surface Pickling surface, Polished surface, Bright surface
Specifications Aerospace, Medical, Industrial
Packging & Delivery
Min Order1 kilogram
Briefing
Detailed
Grade  | Chemical composition, weight percent (%)  | ||||||||||||||
| 
                                             C ≤  | 
                                        O ≤  | N ≤  | 
                                             H ≤  | 
                                        Fe ≤  | Al  | V  | 
                                             Pd  | 
                                    Ru  | Ni  | Mo  | Other Elements Max. each  | Other Elements Max. total  | |||
Gr1  | 0.08  | 0.18  | 0.03  | 0.015  | 0.20  | —  | —  | —  | —  | —  | —  | 0.1  | 0.4  | ||
Gr2  | 0.08  | 0.25  | 0.03  | 0.015  | 0.30  | —  | —  | —  | —  | —  | —  | 0.1  | 0.4  | ||
| 
                                             Gr7  | 
                                        
                                             0.08  | 
                                        0.25  | 0.05  | 
                                             0.0015  | 
                                        0.30  | —  | —  | 
                                             —  | 
                                    —  | —  | —  | 0.1  | 0.4  | ||
| 
                                             Gr12  | 
                                        
                                             0.08  | 
                                        0.25  | 0.03  | 
                                             0.015  | 
                                        0.30  | —  | —  | 
                                             —  | 
                                    —  | 0.6~0.9  | 0.2~0.4  | 0.1  | 0.4  | ||
Grade  | Physical properties  | ||||||
| 
                                             Tensile strength Min  | 
                                        Yield strength (0.2%, offset)  | 
                                        Elongation in 50mm Min (%)  | 
                                    |||||
ksi  | MPa  | Min  | Max  | ||||
ksi  | MPa  | ksi  | MPa  | ||||
Gr1  | 35  | 240  | 20  | 138  | 45  | 310  | 24  | 
Gr2  | 50  | 345  | 40  | 275  | 65  | 450  | 20  | 
| 
                                             Gr7  | 
                                        
                                             50  | 
                                        345  | 40  | 
                                             275  | 
                                        65  | 450  | 20  | 
                                    
| 
                                             Gr12  | 
                                        
                                             70  | 
                                        483  | 50  | 
                                             345  | 
                                        —  | —  | 18  | 
                                    
Thickness Size  |                                                          Thickness tolerance  |                                                                   Width tolerance  | |
500~900  | 900~1500  | ||
0.3~0.5  | ±0.05  | ±0.60  | ±1.0  | 
0.6~0.7  | ±0.06  | ||
        0.8~0.9	  | ±0.09  | ||
| 
                                             1.0~1.4 
                                         | 
                                        
                                             ±0.13 
                                         | 
                                        
                                        
                                    ||
| 
                                              1.5~1.9 
                                         | 
                                        
                                             ±0.16 
                                         | 
                                        
                                        
                                    ||
| 
                                              2.0~2.4 
                                         | 
                                        
                                             ±0.20 
                                         | 
                                        
                                        
                                    ||
 2.5~3.9  | ±0.22  | ||
| 
                                               4.0~5.0 
                                         | 
                                        
                                             ±0.3 
                                         | 
                                        
                                        
                                    ||



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