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B8 and 304 SS All Thread Rod

304 Stainless Steel all thread rod is manufactured from 304 stainless steel and tested to meet ASTM A193 and A320 Grade B8, where specified below. ASTM A193 & A320 Grade B8 all thread rod is manufactured from carbide solution treated AISI 304 stainless steel , tested to meet the stringent chemical and mechanical requirements for use in high temperature and high pressure service. Dimensional specifications are governed by ASME B18.31.3. A193/A320 B8 all thread rod having diameters above 1" are most common 8UN (8 threads per inch). 304 stainless steel all thread rod is for general use in harsh atmospheric conditions and some corrosive environments. Grade B8 stainless steel all thread rod is for use in pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Material is domestic where specified.

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Governing Standards
Mechanical Properties
Chemical Properties

Mechanical Properties

Mechanical PropertiesGrade B8 Stainless Steel

AISI 304 Stainless Steel, Carbide Solution Treated				Per ASTM A193/A193M-16 (1)
Grade	Material	Tensile Strength	Yield Strength, 0.2% offset	Elongation in 4D	Reduction of Area	Hardness
Grade	Material	Min ksi	Min ksi	Min %	Min %	Max
B8	304 Stainless Steel	75	30	30	50	223 HBW or 96 HRB (2)

1. Only applies to B8 as specified in the "Grade" column below.
2. For sizes 3⁄4 in. in diameter and smaller, a maximum hardness of 241 HBW (100 HRB) is permitted.

AISI 304 Stainless Steel, Carbide Solution Treated				Per ASTM A320/A320M-15a (1)
Grade	Material	Tensile Strength	Yield Strength, 0.2% offset	Elongation in 2 in. or 50 mm	Reduction of Area	Hardness
Grade	Material	Min ksi	Min ksi	Min %	Min %	Max
B8	304 Stainless Steel	75	30	30	50	223 HBW or 96 HRB (2)

1. Only applies to B8 as specified in the "Grade" column below.
2. For sizes 3⁄4 in. in diameter and smaller, a maximum hardness of 241 HBW (100 HRB) is permitted.

B8 and 304 SS All Thread Rod

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Diameter Length Grade Origin Item # Availability Price Quantity UOM

3 FT

304 Stainless Steel

Unrestricted Origin

R3044403600-I

5-7 Working Days

$3.52526/EA

See Quantity Discounts

#4-40 X 3 FT 304 STAINLESS STEEL ALL THREAD ROD

$3.52526/EA

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$3.52526/ EA
140	$4.2796/ EA
550	$2.98448/ EA
2480	$2.86314/ EA

3 FT

304 Stainless Steel

Unrestricted Origin

R3046323600-I

In Stock

$2.04465/EA

See Quantity Discounts

#6-32 X 3 FT 304 STAINLESS STEEL ALL THREAD ROD

$2.04465/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.04465/ EA
100	$2.48217/ EA
370	$1.731/ EA
1650	$1.66062/ EA

3 FT

304 Stainless Steel

Unrestricted Origin

R3048323600-I

In Stock

$2.52463/EA

See Quantity Discounts

#8-32 X 3 FT 304 STAINLESS STEEL ALL THREAD ROD

$2.52463/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.52463/ EA
70	$3.06485/ EA
250	$2.13735/ EA
1100	$2.05045/ EA

#10

3 FT

304 Stainless Steel

Unrestricted Origin

R3041033600-I

In Stock

$7.43998/EA

See Quantity Discounts

#10-24 X 3 FT 304 STAINLESS STEEL ALL THREAD ROD

$7.43998/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$7.43998/ EA
50	$9.03198/ EA
200	$6.29867/ EA
870	$6.04258/ EA

#10

3 FT

304 Stainless Steel

Unrestricted Origin

R3041023600-I

In Stock

$1.79262/EA

See Quantity Discounts

#10-32 X 3 FT 304 STAINLESS STEEL ALL THREAD ROD

$1.79262/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$1.79262/ EA
50	$2.17621/ EA
180	$1.51763/ EA
810	$1.45593/ EA

#12

3 FT

304 Stainless Steel

Unrestricted Origin

R3041223600-I

In Stock

$7.47356/EA

See Quantity Discounts

#12-24 X 3 FT 304 STAINLESS STEEL ALL THREAD ROD

$7.47356/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$7.47356/ EA
40	$9.07275/ EA
150	$6.3271/ EA
650	$6.06986/ EA

1/4

12 FT

304 Stainless Steel

Unrestricted Origin

R3040250000-I

In Stock

$0.89438/FT

See Quantity Discounts

1/4-20 X 12 FT 304 STAINLESS STEEL ALL THREAD ROD

$0.89438/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.89438/ EA
90	$1.08576/ EA
330	$0.75718/ EA
1460	$0.7264/ EA

5/16

12 FT

304 Stainless Steel

Unrestricted Origin

R3040310000-I

In Stock

$2.23241/FT

See Quantity Discounts

5/16-18 X 12 FT 304 STAINLESS STEEL ALL THREAD ROD

$2.23241/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.23241/ EA
50	$2.7101/ EA
200	$1.88995/ EA
900	$1.81311/ EA

3/8

12 FT

304 Stainless Steel

Unrestricted Origin

R3040370000-I

In Stock

$2.11321/FT

See Quantity Discounts

3/8-16 X 12 FT 304 STAINLESS STEEL ALL THREAD ROD

$2.11321/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.11321/ EA
40	$2.56539/ EA
140	$1.78904/ EA
610	$1.7163/ EA

7/16

12 FT

304 Stainless Steel

Unrestricted Origin

R3040430000-I

In Stock

$3.35206/FT

See Quantity Discounts

7/16-14 X 12 FT 304 STAINLESS STEEL ALL THREAD ROD

$3.35206/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$3.35206/ EA
25	$4.06933/ EA
100	$2.83784/ EA
500	$2.72247/ EA

1/2

12 FT

Grade B8

Domestic

R304050B8-U

In Stock

$6.20207/FT

See Quantity Discounts

1/2-13 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$6.20207/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$6.20207/ EA
25	$7.52919/ EA
80	$5.25066/ EA
500	$5.03718/ EA

1/2

12 FT

304 Stainless Steel

Unrestricted Origin

R3040500000-I

In Stock

$2.56515/FT

See Quantity Discounts

1/2-13 X 12 FT 304 STAINLESS STEEL ALL THREAD ROD

$2.56515/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.56515/ EA
25	$3.11404/ EA
80	$2.17165/ EA
500	$2.08336/ EA

9/16

12 FT

304 Stainless Steel

Unrestricted Origin

R3040560000-I

5-7 Working Days

$8.15511/FT

See Quantity Discounts

9/16-12 X 12 FT 304 STAINLESS STEEL ALL THREAD ROD

$8.15511/FT

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$8.15511/ EA
25	$9.90014/ EA
60	$6.9041/ EA
500	$6.6234/ EA

5/8

12 FT

Grade B8

Domestic

R304062B8-U

In Stock

$7.98362/FT

See Quantity Discounts

5/8-11 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$7.98362/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$7.98362/ EA
25	$9.69195/ EA
50	$6.75891/ EA
500	$6.48412/ EA

3/4

12 FT

Grade B8

Domestic

R304075B8-U

In Stock

$11.53485/FT

See Quantity Discounts

3/4-10 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$11.53485/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$11.53485/ EA
40	$14.00308/ EA
70	$9.76538/ EA
150	$9.36835/ EA

7/8

12 FT

Grade B8

Domestic

R304087B8-U

In Stock

$15.189/FT

See Quantity Discounts

7/8-9 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$15.189/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$15.189/ EA
30	$18.43914/ EA
50	$12.85897/ EA
110	$12.33617/ EA

12 FT

Grade B8

Domestic

R304100B8-U

In Stock

$22.36024/FT

See Quantity Discounts

1-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$22.36024/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$22.36024/ EA
20	$27.14488/ EA
40	$18.93012/ EA
80	$18.16049/ EA

1 1/8

12 FT

Grade B8

Domestic

R304112B8C-U

In Stock

$30.85145/FT

See Quantity Discounts

1 1/8-7 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$30.85145/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$30.85145/ EA
20	$37.45304/ EA
30	$26.11876/ EA
70	$25.05686/ EA

1 1/8

12 FT

Grade B8

Domestic

R304112B8-U

In Stock

$33.19671/FT

See Quantity Discounts

1 1/8-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$33.19671/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$33.19671/ EA
20	$40.30014/ EA
30	$28.10426/ EA
70	$26.96163/ EA

1 1/4

12 FT

Grade B8

Domestic

R304125B8C-U

In Stock

$15.22914/FT

See Quantity Discounts

1 1/4-7 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$15.22914/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$15.22914/ EA
20	$18.48787/ EA
30	$12.89296/ EA
60	$12.36877/ EA

1 1/4

12 FT

Grade B8

Domestic

R304125B8-U

In Stock

$38.37481/FT

See Quantity Discounts

1 1/4-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$38.37481/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$38.37481/ EA
20	$46.58625/ EA
30	$32.48802/ EA
60	$31.16717/ EA

1 3/8

12 FT

Grade B8

Domestic

R304137B8-U

5-7 Working Days

$26.99471/FT

See Quantity Discounts

1 3/8-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$26.99471/FT

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$26.99471/ EA
10	$32.77104/ EA
20	$22.85366/ EA
50	$21.92451/ EA

1 1/2

12 FT

Grade B8

Domestic

R304150B8C-U

5-7 Working Days

$51.70388/FT

See Quantity Discounts

1 1/2-6 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$51.70388/FT

Qty

5-7 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$51.70388/ EA
10	$62.76748/ EA
20	$43.77238/ EA
40	$41.99275/ EA

1 1/2

12 FT

Grade B8

Domestic

R304150B8-U

In Stock

$78.77008/FT

See Quantity Discounts

1 1/2-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD DOMESTIC

$78.77008/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$78.77008/ EA
10	$95.62531/ EA
20	$66.68657/ EA
40	$63.97532/ EA

1 5/8

12 FT

Grade B8

Unrestricted Origin

R304162B8-I

In Stock

$60.81234/FT

See Quantity Discounts

1 5/8-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD

$60.81234/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$60.81234/ EA
10	$73.82496/ EA
20	$51.48359/ EA
40	$49.39044/ EA

1 3/4

12 FT

Grade B8

Unrestricted Origin

R304175B8-I

In Stock

$62.43577/FT

See Quantity Discounts

1 3/4-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD

$62.43577/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$62.43577/ EA
10	$75.79578/ EA
20	$52.85798/ EA
40	$50.70895/ EA

1 7/8

12 FT

Grade B8

Unrestricted Origin

R304187B8-I

In Stock

$66.54818/FT

See Quantity Discounts

1 7/8-8 X 12 FT A193/A320 B8 STAINLESS STEEL ALL THREAD ROD

$66.54818/FT

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$66.54818/ EA
10	$80.78816/ EA
20	$56.33953/ EA
40	$54.04896/ EA

ASTM A193 (1)	Covers alloy and stainless steel bolting materials and bolting components for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.
ASME B18.31.3	Covers the general and dimensional data for inch series threaded rods.
ASME B1.1 UNC & UNF Class 2A	Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

ASTM A320 (1)	Covers alloy steel bolting materials and bolting components for pressure vessels, valves, flanges, and fittings for low-temperature service.
ASME B18.31.3	Covers the general and dimensional data for inch series threaded rods.
ASME B1.1 UNC & UNF Class 2A	Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

Per ASTM A193/A193M-16 (1)
Grade	Material	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Nickel
Grade	Material	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight
B8	304 Stainless Steel	0.08 max	2.00 max	0.045 max	0.030 max	1.00 max	18.0-20.0	8.0-11.0

Per ASTM 320/A320M-15a (1)
Grade	Material	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Nickel
Grade	Material	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight
B8	304 Stainless Steel	0.08 max	2.00 max	0.045 max	0.030 max	1.00 max	18.0-20.0	8.0-11.0