Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Other |
360 |
=0.17 |
0.10~0.35 |
0.40~0.8 |
=0.035 |
=0.035 |
- |
- |
- |
- |
440 |
0.12~0.18 |
0.10~0.35 |
0.90~1.2 |
=0.035 |
=0.035 |
- |
- |
- |
- |
243 |
0.12~0.2 |
0.10~0.35 |
0.40~0.8 |
=0.035 |
=0.035 |
- |
0.25~0.35 |
- |
Al=0.012 |
620-460 |
0.10~0.15 |
0.10~0.35 |
0.40~0.7 |
=0.030 |
=0.030 |
0.70~1.10 |
0.45~0.65 |
- |
Al=0.02 |
622-490 |
0.08~0.15 |
=0.50 |
0.40~0.7 |
=0.030 |
=0.030 |
2.00~2.50 |
0.90~1.2 |
- |
Al=0.02 |
629-470 |
=0.15 |
0.25~1 |
0.3~0.6 |
=0.030 |
=0.030 |
8~10 |
0.9~1.1 |
- |
Al=0.02 |
629-590 |
|||||||||
762 |
0.17~0.23 |
=0.50 |
=1.00 |
=0.030 |
=0.030 |
10.00~12.5 |
0.80~1.2 |
0.30~0.8 |
V 0.25~0.35 |
Mechanical Properties:
Grade |
Tensile Strength (MPa) |
Yield Strength (Mpa Min) |
Elongation (% Min) |
Flatten Coefficient |
360 |
360~500 |
235 |
24 |
0.1 |
440 |
440~580 |
245 |
21 |
0.07 |
243 |
480~630 |
275 |
22 |
0.07 |
620~460 |
460~610 |
180 |
22 |
0.07 |
622~490 |
490~640 |
275 |
20 |
0.07 |
629~470 |
470~620 |
185 |
20 |
0.07 |
629~590 |
590~740 |
400 |
18 |
0.07 |
762 |
720~870 |
470 |
15 |
0.08 |
Steel type and Type number:
Steel type |
Type number |
Carbon |
360 |
Carbon manganese |
440 |
0.3%Molybdenum |
243 |
1%Chromium,0.5%Molybdenum |
620-460 |
2.25%Chromium, 1%Molybdenum(normalized and tempered) |
622-490 |
9%Chromium,1%Molybdenum(annealed) |
629-470 |
9%Chromium,1%Molybdenum(normalized and tempered) |
629-590 |
12%Chromium,1%Molybdenum,vanadium |
762 |
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