STUD BOLT
HEX HEAD BOLT
HEAVY HEX NUT
U-BOLT
PIPE
FITTING - FLANGE
TRAPAULIN SHEET
SPECIAL MADE
ENGINEERING PRODUCT
Alloy
ASME
Diameter
Requirement
Tensile
strength
min, ksi
Yield
strength
min, ksi
Elongation
min %
Reduction of
Area min %
Hardness
max
Impact
Test
Class 1
Carbide Solution Treated
B8, B8C,
B8T
SA320
3/4" & Under
3/4" to 1"
Over 1" to 1.1/4"
Over 1.1/4" to 1.1/2"
125
115
105
100
100
80
65
50
12
15
20
28
35
30
35
40
321 HB
321 HB
321 HB
321 HB
Class 2
Carbide Solution Treated &
Strain Hardened
B8M
SA320
3/4" & Under
3/4" to 1"
Over 1" to 1.1/4"
Over 1.1/4" to 1.1/2"
100
100
95
90
95
80
65
50
15
20
25
30
45
45
45
45
321 HB
321 HB
321 HB
321 HB
Class 2
Carbide Solution Treated &
Strain Hardened
660
662A
665B
SA453
All Diameter
129
129
124
84
84
79
15
15
15
18
18
18
248-341 HB
255-321 HB
248-321 HB
Solution Treated & prec. Harden
Stress Rupture Test: Temperature 650°C, Stress > 485 Mpa;
Time to Rupture > 100 Hours; Elong > 5%
F51
A182
All Diamete
89.9
62.25
25
50
Duplex S31803, Solution Annealed
F53
A182
All Diameter
116
79.75
15
310 HB
Solution Annealed
F55
A182
All Diameter
109 - 130
79.75
25
45
310 HB
Super Duplex S32760, Sol & Prec. Harden
Grow service Co.,Ltd. l 139/87-88 Moo.1 Tambol Samet, Amphur Muang, Chonburi 20000 Thailand
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