ASTM A519 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents. The carbon content is nominally 0.30% and with this relatively low carbon content the alloy is excellent from the fusion weldability standpoint.
ASTM A519 4130 Steel Chemical composition (%):
Grade |
C |
Mn |
P≤ |
S≤ |
Si |
Cr |
Mo |
4130 |
0.28-0.33 |
0.40-0.60 |
0.040 |
0.050 |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
ASTM A519 4130 Steel Mechanical Property (%):
Grade |
Condition |
Ultimate Strength |
Yield Strength |
Elongation in 2 in.or 50mm,% |
Rockwell, Hardness B Scale |
||
ksi |
Mpa |
ksi |
Mpa |
||||
4130 |
HR |
90 |
621 |
70 |
483 |
20 |
89 |
- |
SR |
105 |
724 |
85 |
586 |
10 |
95 |
- |
A |
75 |
517 |
55 |
379 |
30 |
81 |
- |
N |
90 |
621 |
60 |
414 |
20 |
89 |
ASTM A519 4130 is generally used for above ground applications and utilizes the fittings, flanges and other piping components.
Source:
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