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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 Diameter

Number of Bolts

Normal Diameter

Number of Bolts

1/16 Inch Raised Face

1/16 Inch Raised Face

Pipe Size

of Bolts

1/4 Inch

M&F

Ring Joint

Ring Joint

Ring Joint

Pipe Size

of Bolts

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-325

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-541 Electrical E-704 Hydraulics H-745

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-782 MRO M-833

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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