ASTM A193 B8M Stud Bolts / ASTM A193 B8M - Stud bolt and nut
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: 0.5
tons
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 B8M Stud Bolts / ASTM A193 B8M - Stud bolt and nut
ASTM A193 B8M Stud Bolts / ASTM A193 B8M - Stud bolt and nut
ASTM A193 B8M Stud Bolts / ASTM A193 B8M - Stud bolt and nut