1.7225; 42CrMo4; 40HM
Steel for heat treatment

Dimensions:
                                             
                                                        +A  + U from Φ 16 mm to Φ 650 mm in diameter
                                                        +QT Φ 20 mm to Φ 800 mm in diameter
                                                        +QT h9 Φ 16 mm to Φ 80 mm in diameter
                                                        
                                                     
                                                        from 25 mm to 80 mm thick
                                                        from 40 mm to 500 mm wide
                                                        
                                                        
                                                     
                                                        from 25 mm to 170 mm thick
                                                        
                                                        
                                                        
                                                     
                                                        from 6 mm to 200 mm grubości
                                                        
                                                        
                                                        
                                                    Chemical composition:
                                            | Element | C | Si | Mn | P | S | Cr | Mo | Cu | 
|---|---|---|---|---|---|---|---|---|
| min | 0.38 | 0.10 | 0.60 | max | max | 0.90 | 0.15 | max | 
| max | 0.90 | 0.40 | 0.90 | 0.025 | 0.035 | 1.20 | 0.40 | 0.40 | 
Equivalents:
                                            | Wr.Nr. | PN | EN | GOST | AISI | 
|---|---|---|---|---|
| 1.7225 | 40HM | 42CrMo4 | 40XM | 4140 | 
Delivery condition:
                                            Round bars:
- +A – annealed
- +U – untreated
- +QT – quenched and tempered
Flat bars:
- +A – annealed
- +U – untreated
Square bars:
- +A – annealed
- +U – untreated
Sheet metal & plates:
- +A – annealed
- +N – normalized and temeperd
Description:
                                            Steel for quenching and tempering. Weldable only after preheating as a last resort, easy mechanical and thermal processing. Exhibits high resistance to abrasion.
Applications:
                                            The steel is used for the production of high-strength parts used in cars and vehicle construction. It produces: king pins, connecting rods, gears, geared rollers, spindles, reinforced rims, axles.
Dimensions:
                                         
                                                +A  + U from Φ 16 mm to Φ 650 mm in diameter
                                                +QT Φ 20 mm to Φ 800 mm in diameter
                                                +QT h9 Φ 16 mm to Φ 80 mm in diameter
                                                
                                             
                                                from 25 mm to 80 mm thick
                                                from 40 mm to 500 mm wide
                                                
                                                
                                             
                                                from 25 mm to 170 mm thick
                                                
                                                
                                                
                                             
                                                from 6 mm to 200 mm grubości
                                                
                                                
                                                
                                            Chemical composition:
                                            | Element | C | Si | Mn | P | S | Cr | Mo | Cu | 
|---|---|---|---|---|---|---|---|---|
| min | 0.38 | 0.10 | 0.60 | max | max | 0.90 | 0.15 | max | 
| max | 0.90 | 0.40 | 0.90 | 0.025 | 0.035 | 1.20 | 0.40 | 0.40 | 
Equivalents:
                                            | Wr.Nr. | PN | EN | GOST | AISI | 
|---|---|---|---|---|
| 1.7225 | 40HM | 42CrMo4 | 40XM | 4140 |