Alloy Steel Stud Bolt Material Grades
Alloy steel stud bolts are used in a wide variety of applications where high strength, toughness, and resistance to wear and corrosion are required. These stud bolts are made from carbon steel that is alloyed with other elements such as chromium, nickel, molybdenum, vanadium, and others to improve their properties. The alloying elements enhance the steel’s performance under high temperature, high pressure, and corrosive conditions.
|
Standard / Material grade |
C |
MN |
P |
S |
Si |
CR |
MO |
AI |
V |
|
ASTM A193 B7(Cr- Mo AISI 4140,4142,4145 ) |
0.37-0.49 |
0.65-1.10 |
0.035 Max |
0.04 Max |
0.15-0.35 |
0.75-1.20 |
0.15-0.25 |
– |
– |
|
ASTM A193 B7M(Cr- Mo AISI 4140,4142,4145 ) |
0.37-0.49 |
0.65-1.10 |
0.035 Max |
0.04 Max |
0.15-0.35 |
0.75-1.20 |
0.15-0.25 |
– |
– |
|
ASTM A193 B16(Cr- Mo -V ) |
0.36-0.47 |
0.45-0.70 |
0.035 Max |
0.04 Max |
0.15-0.35 |
0.80-1.15 |
0.50-0.65 |
0.015Max |
0.25-0.35 |
|
ASTM A193 B5 (5% Cr AISI 501) |
0.10 max |
1.00 max |
0.040 max |
0.030 Max |
1.00 Max |
0.40 -6.00 |
0.40 -0.65 |
– |
– |
|
ASTM A320-L7 (Cr- Mo AISI 4140,4142,4145 ) |
0.38-0.48 |
0.75-1.00 |
0.035 Max |
0.04 Max |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
– |
– |
|
ASTM A 320 L7M |
0.38-0.48 |
0.75-1.00 |
0.035 Max |
0.04 Max |
0.15-0.35 |
0.80-1.10 |
0.15-0.25 |
– |
– |
|
ASTM A194 Gr.2H |
0.40 Min |
1.00 Max |
0.040 Max |
0.050 Max |
0.40 Max |
– |
– |
– |
– |
|
ASTM A194 Gr.2HM |
0.40 Min |
1.00 Max |
0.040 Max |
0.050 Max |
0.40 Max |
– |
– |
– |
– |
|
ASTM A194 Gr.4 |
0.40-0.50 |
0.70-0.90 |
0.035 Max |
0.04 Max |
0.15 – 0.35 |
0.20 – 0.30 |
0.15-0.25 |
– |
– |
