D2 D-2 SKD11 SKD-11 1.2379 X153CrMoV12 Forged Forging steel Rings Rolled Rings Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings Parts Piece
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We are professional D2 D-2 SKD11 SKD-11 1.2379 X153CrMoV12 Forged Forging steel Rings Rolled Rings Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings Parts Pieces Material Products from china
Steel grade | Chemical contents [%] | C | Mn | Si | P | S | Cr | Ni | Mo | W | V | Co | Cu | 1.2379 | 1,5- 1,7 | 0,15 -0,45 | 0,15 -0,4 | MAX 0,03 | MAX 0,03 | 11-13 | MAX 0,35 | 0,7-1,0 | MAX 0,2 | 0,6
0,8 | - | MAX 0,35 |
| | | Technological treatment processes | Possibility of application | Temperature, °C | | Plastic forming | Forging | + | 850-1050 | | Rolling | + | 850-1050 | | Heat treatment | Heat hardening | Hardening | + | 960-1030 | | Tempering | + | 220-550 | | Annealing | Softening | + | 820-860 | | Annealing | Stress relieving | + | 600-700 | | Thermochemical treatment | Nitriding | + | 470-550 | | Other | | |
| 1.2379 | Value | | Technological treatment processes | | Hardness after hardening HRC (HRC) | >=60 | | Hardness after soft annealing HB (HB) | <=255 | | Hardness after hardening and tempering 200° C HRC (HRC) | >=60 | | Hardness after hardening and tempering 300° C HRC (HRC) | 58,2 | | Hardness after hardening and tempering 350° C HRC (HRC) | 58 | | Hardness after hardening and tempering 400° C HRC (HRC) | 58 | | Hardness after hardening and tempering 450° C HRC (HRC) | 58,5 | | Hardness after hardening and tempering 500° C HRC (HRC) | 58,8 | | Hardness after hardening and tempering 550° C HRC (HRC) | 55,2 | | Hardness after hardening and tempering 600° C HRC (HRC) | 50
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