LBS Catalog
Technical Information
Stud Bolt Dimensions For Flanges
LENGTH OF ALLOY STEEL STUD BOLTS FOR 300 LB FLANGES
LENGTH OF ALLOY STEEL STUD BOLTS FOR 600 LB FLANGES
LENGTH OF ALLOY STEEL STUD BOLTS FOR 150 LB FLANGES
Length
Length
Length
Normal Pipe Size
Diameter of Bolts
Number of Bolts
Normal Pipe Size
Diameter of Bolts
Number of Bolts
Normal Pipe Size
Diameter of Bolts
Number
1/16 Inch Raised Face
1/16 Inch Raised Face
M&F
Ring Joint
Ring Joint
Ring Joint
of Bolts 1/4 Inch
Male
also T & G
1/2 3/4
1/2 5/8 5/8 5/8 3/4 5/8 3/4 3/4 7/8 7/8
4 4 4 4 4 8 8 8 8 8 8
3
2-3/4
3
1/2 3/4
1/2 5/8 5/8 5/8 3/4 5/8 3/4 3/4 3/4 3/4 3/4 3/4 7/8
4 4 4 4 4 8 8 8 8 8 8
2-1/2 2-3/4
3
1/2 3/4
1/2 1/2 1/2 1/2 1/2 5/8 5/8 5/8 5/8 5/8 3/4 3/4 3/4 7/8 7/8
4 4 4 4 4 4 4 4 8 8 8 8 8
2-1/4 2-1/4 2-1/2 2-1/2 2-3/4 3-1/4 3-1/2 3-1/2 3-1/2 3-3/4 3-3/4 3
— —
3-1/4 3-1/2 3-3/4
3
3-1/4 3-1/2 3-3/4
3-1/4 3-1/2 3-1/2
3-1/4 3-1/2 3-3/4 3-3/4 4-1/4 4-1/2
1
1
3 3
1
3 3
1-1/4 1-1/2
1-1/4 1-1/2
1-1/4 1-1/2
4 4
4
3-1/2 3-1/4 3-3/4 4-1/4 4-1/4 4-1/2 4-3/4 5-1/4 6-1/2 6-3/4 7-1/4 7-1/2 4 6
4 4
3-1/4 3-1/2 3-3/4
2
4-1/4 4-3/4
2
2
2 1/2
4-1/2 4-3/4 5-1/4 5-1/2 6-1/4 6-1/2 7-1/2 8-1/4 8-1/2
2 1/2
4-1/2 4-3/4
2 1/2
3
5
3
Resources
3
4 4 4
3-1/2
5
5-1/2 5-3/4 6-1/2 6-3/4 7-3/4 8-1/2 8-3/4 9-1/4
3-1/2
5 5
3-1/2
4 5 6 8
5-1/4
4 5 6 8
4 5 6 8
1 1
6
5-1/4 5-1/2
4-1/4 4-1/4 4-1/2
12 12 16 20 20 20 20 24 24
6-1/4 7-1/4
12 12 16 16 20 20 24 24 24
1-1/8 1-1/4 1-1/4 1-3/8 1-1/2 1-5/8 1-5/8 1-7/8
6
4
10 12 14 16 18 20 24
8
10 12 14 16 18 20 24
1
6-3/4 7-1/4 7-1/2
10 12 14 16 18 20 24
12 12 12 16 16 20 20
4-1/2 4-1/2
5 5
8-1/4 8-3/4 9-1/2
1-1/8 1-1/8 1-1/4 1-1/4 1-1/4 1-1/2
9
1 1
5
5-1/2 5-3/4 6-1/4 6-1/2 7-1/4
9-3/4
10
8
5-1/4 5-3/4
10-1/2 11-1/4 12-3/4
10-1/4 10-3/4
8-1/4 8-3/4
1-1/8 1-1/8 1-1/4
11
11-1/2
8 9
6
12-1/2 13-1/4
10
6-3/4
ANY MATERIAL: Including • Low Carbon
• Alloy 20
• B8 & B8M • Teflon Coated
• A193-B7 (Alloy) • A 193-B16 (Alloy)
• A193-B7M • Monel
• Zinc and CAd
• A320-L7 • Inconel
• Stainless Steel • Galv. and Black
• Hastelloy
• Duplex
• Strain Hardened
All Thread Studs
Double End Studs
Specifications
COMPOSITION ASTM A193 GRADE B7
OAL
Check Variation
Range
Chemical
Studs
Over or Under
2H Nuts 0.40 Min. 1.00 MAX
Carbon, max
0.37-0.49 0.65-1.10 0.035 MAX
0.02 0.04
D
Manganese, max. Phosphorus, max.
0.005 Over 0.005 Over
.04 MAX
Sulphur, max.
0.04
0.05 MAX
Assortments A-12 Fasteners F-72
Silicone
0.15-0.35 0.75-1.20 0.15-0.25
0.02 0.05 0.02
.40 MAX
Chromium
DESCRIPTION - continuous threaded stud bolts for use in high temperature, high pressure applications. NOMINAL SIZE D - is the nominal size or diameter of stud bolts. LENGTH L - length of stud bolt is measured by its overall length. End of first thread is defined as the intersection of major diameter of thread with the base of the point. Tolerance on stud bolt length for lengths 12 in. and under shall be plus or minus 1/16 in.; for lengths over 12 in. to 18 in. incl., shall be plus or minus 1/8 in.; and for lengths over 18 in. shall be plus or minus 1/4 in. POINT - both ends of stud bolt shall be pointed, and points shall be flat and chamfered. When flat and chamfered, the diameter of the flat shall not exceed the minor diameter of the thread. THREADS - unified coarse thread series. Class 2A for all sizes 1in. and under, and Unified 8-thread series, Class 2A for all sizes over 1 in. MATERIAL - material physical properties shall be specified by purchaser, and shall be as required by ASTM, ASME and ANSI codes and specifications current at the time of ordering. DESIGNATION - when specifying dimensions of stud bolts, it is recommended they be given in the following order: D x L.
Molybdenum
TENSILE REQUIREMENTS ASTM A193 GD-B7
Cutting Tools C-329
Minimum Tempering
Tensile
Yield Point
Diameter in Inches
Strength min. psi
Elongation Reduction
Temp.F
min. psi.
in 2 Inches
of Area
(C)
(MPa)
(NPAa)
min. pct.
min. pct.
Pipe Fittings P-546 Electrical E-709 Hydraulics H-749
2-1/2
1100 (593)
125,000 105,000
16
50
and Under
(860)
(720)
Over 2-1/2 to
1100 (593)
115,000
95,000
16
50
4
(790)
(655)
incl.
HARDNESS ASTM A194 GRADE 2H NUTS
Abrasives AB-787 MRO M-838
Brinell Hardness After Test
Brinell Hardness
24 Hour Temp. Test
248,352
1000ºF (538ºC)
179 Min.
Tel: (225) 272-6200 Fax: (225) 272-7001
sales@lbsbr.com
www.lightningboltandsupply.com
R-865
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