| |
|
| 1) Chemistry Range |
| Elements |
Range |
| Carbon |
3 Points. |
| Manganese |
5 Points. |
| Chromium |
5 Points. |
| Sulphur |
0.015% Max (Specified range can also be guaranteed). |
| Phosphorous |
0.015% Max. for Alloy Steel.
0.040% Max. for Stainless Steel.
(Specified range can also be guaranteed). |
| Alloying elements |
Control as per the requirements of Jominy Hardenability and response to Heat Treatment. |
|
| 2) Non Metallic Inclusions |
Certified and guaranteed as per ASTM-E45 as required by the end use and and the customer. |
| 3) Grain Size |
Certified and guaranteed as per ASTM-E112. |
| 4) Gas Levels |
| Gases |
Alloy Steels |
Stainless Steel |
| Martensitic |
Austenitic |
| Oxygen (Max) |
20ppm |
100ppm |
100ppm |
| Nitrogen (Max) |
80ppm |
200ppm |
500ppm |
| Hydrogen (Max) |
2.0ppm |
2.0ppm |
2.0ppm |
|
