| Carbon | 0.07% max | Chromium | 15.00-17.00% |
| Manganese | 1.00% max | Nickel | 3.00-5.00% |
| Silicon | 1.00% max | Copper | 3.00-5.00% |
| Phosphorous | 0.04% max | Niobium + | 0.15-0.45% |
| Sulphur | 0.03% max | Tantalum |
| Condition | Temp. [°C] | Hardness Time |
Type of Cooling |
Hardness | |
|---|---|---|---|---|---|
| HB | HRc | ||||
| A | 1038 | 1/2 | Oil/Air (to beneath 32°C) | 363 max | 39 max |
| H900 | 480 | 1 | Air | 420 | 44 |
| H925 | 495 | 4 | Air | 409 | 42 |
| H1025 | 550 | 4 | Air | 352 | 38 |
| H1075 | 580 | 4 | Air | 341 | 36 |
| H1100 | 595 | 4 | Air | 332 | 35 |
| H1150 | 621 | 4 | Air | 311 | 33 |
| H1150+H1150 | 760-760 | 4 followed by 4 | Air | 302 | 33 |
| H1150M | 760-620 | 2 followed by 4 | Air | 277 | 27 |
| Condition | A | H900 | H925 | H1025 | H1075 | H1100 | H1150 | H1150 +H1150 |
H1150M |
| Tensile Backbone N/mm² | 1034 | 1380 | 1310 | 1170 | 1140 | 1035 | 1000 | 965 | 860 |
| 0.2% YS N/mm² | 650 | 1275 | 1200 | 1140 | 1035 | 930 | 860 | 760 | 585 |
| Reduction of Breadth % | 30-60 | 50 | 54 | 56 | 58 | 58 | 60 | 60 | 68 |
| Elongation % | 6-15 | 14 | 14 | 15 | 16 | 17 | 19 | 20 | 22 |
| Charpy Appulse J | – | >20 | 34 | 47 | 61 | 61 | 68 | 108 | 135 |
*Longitudinal
With our material,we provide mill test certificate and ultrasonic Ok certificate (Note: Provide only if mentioned before placing the order.)
