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STUDBOLTSÂ HEX HEAD BOLTÂ HEAVY HEX NUTÂ SCREWS
ASTM A193 B8M,B8MA,B8M2, ASTM A194 8M
ASTM A320 B8M,B8MA,B8M2,
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Chemical Requirement
AISIÂ 316 |
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| Grade |
C |
Mn |
P |
S |
Si |
Mo |
Ni |
Cr |
B8M,
B8MA
B8M2 |
Max |
Max |
Max |
Max |
Max |
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0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
2.00-3.00 |
10.00-14.00 |
16.00-18.00 |
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| Mechanical properties |
| Grade |
Diameter |
Tensile Strength kpsi (Mpa) |
Yield Strength 0.2% Offset
kpsi (Mpa) |
Elongation % |
Hardness
MAX |
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min |
min |
min |
HBS |
HRC |
B8M2
A4-80 |
<’2
‘2--2-1/2’
2-1/2--3’ |
95
90
80 |
75
65
55 |
40
40
60 |
- |
35
35
35 |
B8M |
- |
75 |
30 |
50 |
223 |
B96 |
B8MA |
- |
75 |
30 |
50 |
192 |
B90 |
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| We can provide our quality A193 B8M,B8MA,B8M2,A4-80,  A194 8M Stud bolts with any world know third party inspection Certifications as following to make ensure the best quality |
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