ASTM A193 B7 Stud Bolt with A194 2h Heavy Hex Nut
1.Materials AS193 B7
ASTM A193 Grade B7 Chromium Molybendum steel, normally AISI 4140,
heat treated to 28-32Rockwell Hardness, 125,000 PSI tensile strength, 105, 000 PSI yield. It will hold it's strength to 1000 degrees F. This grade of studbolts are engineered to mate with ASTM A194 Grade 2H Heavy Hex Nuts.
2.Threaded Rods sizes we can offer: 1/4"-4"
3.A193 B7 Chemical composition
| lement |
Content |
| Carbon, C |
0.380 - 0.430 % |
| Chromium, Cr |
0.80 - 1.10 % |
| Iron, Fe |
96.785 - 97.77 % (As remainder) |
| Manganese, Mn |
0.75 - 1.0 % |
| Molybdenum, Mo |
0.15 - 0.25 % |
| Phosphorous, P |
≤ 0.035 % |
| Silicon, Si |
0.15 - 0.30 % |
| Sulfur, S |
≤ 0.040 % |
4.A193 B7 Mechanical property :
| Grade |
Sizes |
Tensile ksi, min |
Yield, ksi, min |
Elong, %, min |
RA % min |
HBW |
HRC |
| A193 B7 |
Up to 2-1/2 |
125 |
105 |
16 |
50 |
321 max |
35 max |
| 2-5/8 - 4 |
115 |
95 |
16 |
50 |
| 4-1/8 - 6 |
100 |
75 |
18 |
50 |
5.Threaded Rod Surface we supply :
BLACK, DACROMAT, ELECTRO GALVA B633, GREENKOT, HOT DIP GALVANZIED, MECHANICAL GALVANIZED, PTFE, SELF FINISH, YELLOW ( CADMIUM)
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