G40.21 Chemical Requirements
Grade |
Carbonmax |
Manganese |
Phosphorous |
Sulfur max |
Silicon |
Chromium |
Nickel |
Copper |
38W |
0.20 |
0.50-1.50 |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
44W |
0.22 |
0.50-1.50 |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
50W |
0.23 |
0.50-1.50 |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
55W |
0.23 |
0.50-1.50 |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
60W |
0.23 |
0.50-1.50 |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
70W |
0.26 |
0.50-1.50 |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
80W |
0.15 |
1.75 max |
0.04 max |
0.05 |
0.40 max |
- |
- |
- |
38WT |
0.20 |
0.80-1.50 |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
44WT |
0.22 |
0.80-1.50 |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
50WT |
0.22 |
0.80-1.50 |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
60WT |
0.22 |
0.80-1.50 |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
70WT |
0.26 |
0.80-1.50 |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
80WT |
0.15 |
1.75 max |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
50R |
0.16 |
0.75 max |
0.05-0.15 |
0.04 |
0.75 max |
0.30-1.25 |
0.90 max |
0.20-0.60 |
50A |
0.20 |
0.75-1.35 |
0.03 max |
0.04 |
0.15-0.50 |
0.70 max |
0.90 max |
0.20-0.60 |
60A |
0.20 |
0.75-1.35 |
0.03 max |
0.04 |
0.15-0.50 |
0.70 max |
0.90 max |
0.20-0.60 |
70A |
0.20 |
1.00-1.60 |
0.025 max |
0.035 |
0.15-0.50 |
0.70 max |
0.25-0.50 |
0.20-0.60 |
80A |
0.15 |
1.75 max |
0.025 max |
0.035 |
0.15-0.50 |
0.70 max |
0.25-0.50 |
0.20-0.60 |
50AT |
0.20 |
0.75-1.35 |
0.03 max |
0.04 |
0.15-0.50 |
0.70 max |
0.90 max |
0.20-0.60 |
60AT |
0.20 |
0.75-1.35 |
0.03 max |
0.04 |
0.15-0.50 |
0.70 max |
0.90 max |
0.20-0.60 |
70AT |
0.20 |
1.00-1.60 |
0.025 max |
0.035 |
0.15-0.50 |
0.70 max |
0.25-0.50 |
0.20-0.60 |
80AT |
0.15 |
1.75 max |
0.025 max |
0.035 |
0.15-0.40 |
0.70 max |
0.25-0.50 |
0.20-0.60 |
100Q |
0.20 |
1.50 max |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
100QT |
0.20 |
1.50 max |
0.03 max |
0.04 |
0.15-0.40 |
- |
- |
- |
In addition, grades 100Q and 100QT shall have a Boron composition of 0.0005-0.005% The above table has been abridged for clarity and relevance. The complete table can be found in the CSA standard at shop.csa.ca |