Astm A193 Grade B8M Class 2 Stud Bolts / ASTM A193 Grade B8M Class 2 Fasteners
ASTM A193 B8M is often available in national coarse (UNC) thread pitches,
if being used in traditional applications, threads are specified 8 threads
per inch (tpi) for diameters above one inch.
ASTM A193, Grade B8M Class 1 Stainless steel, AISI 316, carbide solution treated.
Stainless steel, AISI 316, carbide solution treated.
ASTM A193, Grade B8 Class 2 Stainless steel, AISI 316, carbide solution treated,strain hardened.
1.ASTM A193 B8M raw material chemical comnposition
| Element |
B8M (AISI 316) |
| Carbon |
0.08% max |
| Manganese |
2.00% max |
| Phosphorus, max |
0.05% |
| Sulfur, max |
0.03% |
| Silicon |
1.00% max |
| Chromium |
16.0 - 18.0% |
| Nickel |
10.0 - 14.0% |
| Molybdenum |
2.00 - 3.00% |
2.ASTM A193 B8M properties
| Grade and Class |
Diameter |
Tensile Strength Min KSI |
Yield Strength 0.2% Offset KSI |
Elongation in 2in. Min, % |
Reduction of Area Min, % |
Hardness max |
| CLASS 1: B8, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN |
ALL |
75 |
30 |
30 |
50 |
223 HB or 96 HRB |
| CLASS 1A: B8A, B8CA, B8MA, B8PA, B8FA, B8TA, B8LNA, B8MLNA |
ALL |
75 |
30 |
30 |
50 |
192 HB or 90 HRB |
| CLASS 2: B8, B8C, B8P, B8F, B8T |
3/4" and under |
125 |
100 |
12 |
35 |
321 HB or 35 HRC |
| over 3/4 to 1" incl |
115 |
80 |
15 |
30 |
321 HB or 35 HRC |
| over 1" to 1-1/4" incl |
105 |
65 |
20 |
35 |
321 HB or 35 HRC |
| over 1-1/4" to 1-1/2" |
100 |
50 |
28 |
45 |
321 HB or 35 HRC |
| CLASS 2: B8M |
3/4" and under |
110 |
95 |
15 |
45 |
321 HB or 35 HRC |
| over 3/4 to 1" incl |
100 |
80 |
20 |
45 |
321 HB or 35 HRC |
| over 1" to 1-1/4" incl |
95 |
65 |
25 |
45 |
321 HB or 35 HRC |
| over 1-1/4" to 1-1/2" |
90 |
50 |
30 |
45 |
321 HB or 35 HRC |
3.Sizes offer: 1/2'' to 4''
4.Payment terms: T/T or L/ C
(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.
(2)100% irrevocable L/C at sight
5. MOQ: 0.5tons
6. Delivery time:7-30 days upon to the order details
7.Trade term: FOB CFR CIF EXW
8.FAQ:
Q: Are you manufacturer or trading company ?
A: We have factory producing threaded rods for more than 20 years, We owned more than 20 sets of producing equipments.
Q: What's your sample policy ?
A: Our sample is free, but customer may need to pay the express cost.
Q: What's your MOQ ?
A: The MOQ is 100pieces,
Q: What's your delivery time?
A: Generally, our delivery time is 30 days after deposit received, we can adjust our production if your order is urgent.
Q: What's your payment term:
A: Usually, if amount is less than 1000usd, we suggest payment through west union , if amount above 1000usd, we suggest TT or LC.
Astm A193 Grade B8M Class 2 Stud Bolts / ASTM A193 Grade B8M Class 2 Fasteners
Astm A193 Grade B8M Class 2 Stud Bolts / ASTM A193 Grade B8M Class 2 Fasteners
Astm A193 Grade B8M Class 2 Stud Bolts / ASTM A193 Grade B8M Class 2 Fasteners
Astm A193 Grade B8M Class 2 Stud Bolts / ASTM A193 Grade B8M Class 2 Fasteners
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