Stud Bolt

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Stud Bolt

GRADE A193 / A193M B7 A193 / A193M B8 A193 / A193M B8M
Strength Quality AISI4140 SS304 SS316
Hardness max HRC35 max HRB 96 max HRB 96
Note black / hot dip
스터드볼트

Standard

STUD BOLT (FLANGE BOLTING STUDS)

ASME B18.31.2
ASME B16.5
(A193 / A193M)

 
Length (Lt), in(mm) Length Tolerances, in(mm)
to 3/4" (20) ~ until 12" (305) ± 0.06 (1.5)
to 12" (305) ~ until 18" (460) ± 0.12 (3.0)
to 18" (460) ± 0.25 (7.0)
CONTINUOUS THREAD STUDS

Inch : ASME B18.31.2
Metric : ASME B18.31.1M

ASME B18.31.2

 
Length (Lt) Length Tolerances
in in
3/4" ~ until 2 1/2" ± 0.04
2 1/2" ~ until 4" ± 0.08
4" ~ until 8" ± 0.10
8" ~ until 16" ± 0.12
over 16" ± 0.18
Length (Lt) Length Tolerances
mm mm
6 ~ until 10 ± 0.45
10 ~ until 18 ± 0.55
18 ~ until 30 ± 0.65
30 ~ until 50 ± 0.80
50 ~ until 80 ± 1.50
80 ~ until 20 ± 1.75
120 ~ until 180 ± 2.00
180 ~ until 250 ± 2.30
250 ~ until 315 ± 2.60
315 ~ until 400 ± 2.85
400 ~ until 500 ± 3.15
over 500 ± 10.00

Mechanical Property

제품규격및성징  
Meterial Code Grade SIZE Tensile Strength Yield Strength Elongation Reduction of Area Hardness Impact Value
ASTM A193
/ A193M 		B7 2 1/2" and under min 125 ksi min 105 ksi min 16% min 50% max HRC 35
over 2 1/2" to 4" min 115 ksi min 95 ksi min 16% min 50% max HRC 35
over 4" to 7" min 100 ksi min 75 ksi min 18% min 50% max HRC 35
M64 and under min 860 Mpa min 720 Mpa min 16% min 50% max HRC 35
over M64 to M100 min 795 Mpa min 655 Mpa min 16% min 50% max HRC 35
over M100 to M180 min 690 Mpa min 515 Mpa min 18% min 50% max HRC 35
B16 2 1/2" and under min 125 ksi min 105 ksi min 18% min 50% max HRC 35
over 2 1/2" to 4" min 110 ksi min 95 ksi min 17% min 45% max HRC 35
over 4" to 8" min 100 ksi min 85 ksi min 16% min 45% max HRC 35
M64 and under min 860 Mpa min 725 Mpa min 18% min 50% max HRC 35
over M64 to M100 min 760 Mpa min 655 Mpa min 17% min 45% max HRC 35
over M100 to M180 min 690 Mpa min 585 Mpa min 16% min 45% max HRC 35
B8 - min 75 ksi min 30 ksi min 30% min 50% max HRB 96
B8M - min 75 ksi min 30 ksi min 30% min 50% max HRB 96

WORLD SHIPPING

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