| 1 | 
              ISO  3304-1985 | 
              
                            Grade R28
                             | 
              
                
                
                
                 | 
              BK | 
            
                        
              | 2 | 
              ISO  3304-1985 | 
              
                            Grade R37
                             | 
              
                
                
                
                 | 
              BKW | 
            
                        
              | 3 | 
              ISO  3304-1985 | 
              
                            Grade R44
                             | 
              
                
                
                
                 | 
              GBK+GZF | 
            
                        
              | 4 | 
              ISO  3305-1985 | 
              
                            Grade R28
                             | 
              
                
                
                
                 | 
              BK | 
            
                        
              | 5 | 
              ISO  3305-1985 | 
              
                            Grade R37
                             | 
              
                
                
                
                 | 
              BKW | 
            
                        
              | 6 | 
              ISO  3305-1985 | 
              
                            Grade R44
                             | 
              
                
                
                
                 | 
              GBK+GZF | 
            
                        
              | 7 | 
              ISO  3306-1985 | 
              
                            Grade R37
                             | 
              
                
                
                
                 | 
              KM | 
            
                        
              | 8 | 
              ISO  3306-1985 | 
              
                            Grade R44
                             | 
              
                
                
                
                 | 
              GKM+GZF | 
            
                        
              | 9 | 
              EN  10305-2-2016 | 
              
                            E155, 1.0033
                             | 
              
                
                
                  
                    
                      | 0.11 | 0.35 | 0.7 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              C(見原件) | 
            
                        
              | 10 | 
              JIS G 3444-2021 | 
              
                            STK400
                             | 
              
                
                
                
                 | 
              AM | 
            
                        
              | 11 | 
              EN  10296-1-2003 | 
              
                            E275, 1.0225
                             | 
              
                
                
                  
                    
                      | 0.21 | 0.35 | 1.4 | 0.045 | 0.045 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 12 | 
              EN  10297-1-2003 | 
              
                            E275, 1.0225
                             | 
              
                
                
                
                 | 
              AR,N | 
            
                        
              | 13 | 
              EN  10305-2-2016 | 
              
                            E275, 1.0225
                             | 
              
                
                
                  
                    
                      | 0.21 | 0.35 | 1.4 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              N | 
            
                        
              | 14 | 
              EN  10305-3-2023 | 
              
                            E275, 1.0225
                             | 
              
                
                
                  
                    
                      | 0.21 | 0.35 | 1.4 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              N | 
            
                        
              | 15 | 
              EN  10296-1-2003 | 
              
                            E320, 1.0237
                             | 
              
                
                
                
                 | 
              CR | 
            
                        
              | 16 | 
              EN  10305-3-2023 | 
              
                            E320, 1.0237
                             | 
              
                
                
                  
                    
                      | 0.2 | 0.35 | 1.4 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              CR2 | 
            
                        
              | 17 | 
              ISO  2937-1974 | 
              
                            TS 9
                             | 
              
                
                
                  
                    
                      | 0.21 | 0.35 | 0.4-1.2 | 0.045 | 0.045 | - | - | - | - |   
                
                 | 
              HF | 
            
                        
              | 18 | 
              JIS G 3445-2021 | 
              
                            STKM14A
                             | 
              
                
                
                
                 | 
              AM,CF,or AHT | 
            
                        
              | 19 | 
              ASTM  A519/A519M-2024 | 
              
                            1035
                             | 
              
                
                
                  
                    
                      | 0.32-0.38 | - | 0.6-0.9 | 0.04 | 0.05 | - | - | - | - |   
                
                 | 
              A | 
            
                        
              | 20 | 
              ASME  SA-513-2023 | 
              
                            1026
                             | 
              
                
                
                  
                    
                      | 0.22-0.28 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 21 | 
              ASME  SA-513-2023 | 
              
                            1030
                             | 
              
                
                
                  
                    
                      | 0.27-0.34 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 22 | 
              ASME  SA-513-2023 | 
              
              1008               | 
              
                
                
                
                 | 
              MD | 
            
                        
              | 23 | 
              ASME  SA-513-2023 | 
              
                            1010
                             | 
              
                
                
                  
                    
                      | 0.08-0.13 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              MD | 
            
                        
              | 24 | 
              ASME  SA-513-2023 | 
              
                            1015
                             | 
              
                
                
                  
                    
                      | 0.12-0.18 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              MD SR | 
            
                        
              | 25 | 
              ASME  SA-513-2023 | 
              
                            1020
                             | 
              
                
                
                  
                    
                      | 0.17-0.23 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              SD | 
            
                        
              | 26 | 
              ASTM  A513/A513M-2025 | 
              
                            1026
                             | 
              
                
                
                  
                    
                      | 0.22-0.28 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 27 | 
              ASTM  A513/A513M-2025 | 
              
                            1030
                             | 
              
                
                
                  
                    
                      | 0.28-0.34 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 28 | 
              ASTM  A513/A513M-2025 | 
              
                            1008
                             | 
              
                
                
                
                 | 
              MD | 
            
                        
              | 29 | 
              ASTM  A513/A513M-2025 | 
              
                            1010
                             | 
              
                
                
                  
                    
                      | 0.08-0.13 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              MD | 
            
                        
              | 30 | 
              ASTM  A513/A513M-2025 | 
              
                            1015
                             | 
              
                
                
                  
                    
                      | 0.13-0.18 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              MD SR | 
            
                        
              | 31 | 
              ASTM  A513/A513M-2025 | 
              
                            1020
                             | 
              
                
                
                  
                    
                      | 0.18-0.23 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              SD | 
            
                        
              | 32 | 
              ISO  3304-1985 | 
              
                            Grade R33
                             | 
              
                
                
                
                 | 
              BK | 
            
                        
              | 33 | 
              ISO  3305-1985 | 
              
                            Grade R33
                             | 
              
                
                
                
                 | 
              BK | 
            
                        
              | 34 | 
              EN  10305-1-2010 | 
              
                            E235, 1.0308
                             | 
              
                
                
                  
                    
                      | 0.17 | 0.35 | 1.2 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              LC | 
            
                        
              | 35 | 
              ASME  SA-513-2023 | 
              
                            1025
                             | 
              
                
                
                  
                    
                      | 0.22-0.28 | - | 0.3-0.6 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              SD | 
            
                        
              | 36 | 
              ASTM  A519/A519M-2024 | 
              
                            1020
                             | 
              
                
                
                  
                    
                      | 0.18-0.23 | - | 0.3-0.6 | 0.04 | 0.05 | - | - | - | - |   
                
                 | 
              SR | 
            
                        
              | 37 | 
              ASME  SA-513-2023 | 
              
                            1040
                             | 
              
                
                
                  
                    
                      | 0.36-0.44 | - | 0.6-0.9 | 0.04 | 0.05 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 38 | 
              ASME  SA-513-2023 | 
              
                            1035
                             | 
              
                
                
                  
                    
                      | 0.31-0.38 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 39 | 
              ASTM  A519/A519M-2024 | 
              
                            1035
                             | 
              
                
                
                  
                    
                      | 0.32-0.38 | - | 0.6-0.9 | 0.04 | 0.05 | - | - | - | - |   
                
                 | 
              HR | 
            
                        
              | 40 | 
              ASTM  A519/A519M-2024 | 
              
                            1045
                             | 
              
                
                
                  
                    
                      | 0.43-0.5 | - | 0.6-0.9 | 0.04 | 0.05 | - | - | - | - |   
                
                 | 
              A | 
            
                        
              | 41 | 
              JIS G 3472-2022 | 
              
                            STAM440H
                             | 
              
                
                
                  
                    
                      | 0.25 | 0.35 | 0.3-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              - | 
            
                        
              | 42 | 
              JIS G 3473-2022 | 
              
                            STC440
                             | 
              
                
                
                  
                    
                      | 0.25 | 0.35 | 0.3-0.9 | 0.04 | 0.04 | - | - | - | - |   
                
                 | 
              CR+SR | 
            
                        
              | 43 | 
              JIS G 3472-2022 | 
              
                            STAM440G
                             | 
              
                
                
                  
                    
                      | 0.25 | 0.35 | 0.3-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              見原件 | 
            
                        
              | 44 | 
              JIS G 3445-2021 | 
              
                            STKM13B
                             | 
              
                
                
                  
                    
                      | 0.25 | 0.35 | 0.3-0.9 | 0.04 | 0.04 | - | - | - | - |   
                
                 | 
              AM,CF,or AHT | 
            
                        
              | 45 | 
              JIS G 3445-2021 | 
              
                            STKM18A
                             | 
              
                
                
                
                 | 
              AM,CF,or AHT | 
            
                        
              | 46 | 
              EN  10305-2-2016 | 
              
                            E235, 1.0308
                             | 
              
                
                
                  
                    
                      | 0.17 | 0.35 | 1.2 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              LC SR | 
            
                        
              | 47 | 
              EN  10305-1-2010 | 
              
                            E255, 1.0408
                             | 
              
                
                
                  
                    
                      | 0.21 | 0.35 | 0.4-1.1 | 0.025 | 0.025 | - | - | - | - |   
                
                 | 
              N | 
            
                        
              | 48 | 
              EN  10305-1-2010 | 
              
                            C35E, 1.1181
                             | 
              
                
                
                  
                    
                      | 0.32-0.39 | 0.4 | 0.5-0.8 | 0.03 | 0.035 | 0.4 | - | 0.1 | - |   
                
                 | 
              A | 
            
                        
              | 49 | 
              EN  10305-1-2010 | 
              
                            E215, 1.0212
                             | 
              
                
                
                  
                    
                      | 0.1 | 0.05 | 0.7 | 0.025 | 0.025 | - | - | - | ≤0.025 |   
                
                 | 
              C | 
            
                        
              | 50 | 
              EN  10297-1-2003 | 
              
                            1.1151, C22E
                             | 
              
                
                
                  
                    
                      | 0.17-0.24 | 0.4 | 0.4-0.7 | 0.035 | 0.035 | 0.4 | 0.4 | 0.1 | - |   
                
                 | 
              N | 
            
                        
              | 51 | 
              ASTM  A513/A513M-2025 | 
              
                            1021
                             | 
              
                
                
                  
                    
                      | 0.18-0.23 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              SD | 
            
                        
              | 52 | 
              ASME  SA-513-2023 | 
              
                            1021
                             | 
              
                
                
                  
                    
                      | 0.17-0.23 | - | 0.6-0.9 | 0.035 | 0.035 | - | - | - | - |   
                
                 | 
              SD | 
            
                        
              | 53 | 
              EN  10305-2-2016 | 
              
                            E195, 1.0034
                             | 
              
                
                
                  
                    
                      | 0.15 | 0.35 | 0.7 | 0.025 | 0.025 | - | - | - | ≤0.015 |   
                
                 | 
              C(見原件) | 
            
                        
              | 54 | 
              EN  10297-1-2003 | 
              
                            1.0456, E275K2
                             | 
              
                
                
                  
                    
                      | 0.2 | 0.4 | 0.5-1.4 | 0.03 | 0.03 | 0.3 | 0.3 | 0.1 | - |   
                
                 | 
              N |