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B16 All Thread Rod
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B16 All Thread Rod

B16 All Thread Rod

ASTM A193 Grade B16 all thread rods are high strength fasteners manufactured from heat treated Chromium-Molybdenum-Vanadium steel, quenched and tempered. Added Vanadium allows for operating temperatures higher than that of B7 all thread rod. Dimensional specifications are governed by ASME B18.31.3. Inch series fasteners meeting ASTM A193 Grade B16 specifications are typically used in the power and petrochemical industries on boilers, turbines, and other pressurized equipment with elevated temperatures. ASTM A193 covers the requirements for high temperature and high pressure bolting. A193 B16 all thread rod having diameters above 1" are most common 8UN (8 threads per inch).

Governing StandardsGrade B16

ASTM A193 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.

Mechanical PropertiesGrade B16

Alloy Steel, Quenched & Tempered Per ASTM A193/A193M-16
Diameter Tempering
Temperature		 Tensile
Strength		 Yield Strength,
0.2% offset		 Elongation
in 4D		 Reduction
of Area		 Hardness
Min Min ksi Min ksi Min % Min % Max
2 1/2" and under 1200F 125 105 18 50 321 HBW or 35 HRC
over 2 1/2 to 4" 1200F 110 95 17 45 321 HBW or 35 HRC
over 4 to 8" 1200F 100 85 16 45 321 HBW or 35 HRC

Chemical PropertiesGrade B16

Per ASTM A193/A193M-16
Grade Carbon Manganese Phosphorus Sulfur Silicon Chromium Molybdenum Vanadium Aluminum
% by weight % by weight % by weight % by weight % by weight % by weight % by weight % by weight % by weight
B16 0.36-0.47 0.45-0.70 0.035 max 0.040 max 0.15-0.35 0.80-1.15 0.50-0.65 0.25-0.35 0.015 max (1)
  1. 1. Total of soluble and insoluble.
B16 All Thread Rod
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Diameter Thread Pitch Length Item # Availability Price Quantity UOM
3/8 16 12 FT RB160370000 5-7 Working Days ARO $6.89662/FT FT
1/2 13 12 FT RB160500000 In Stock $4.88444/FT FT
5/8 11 12 FT RB160620000 In Stock $4.61665/FT FT
3/4 10 12 FT RB160750000 In Stock $6.19063/FT FT
7/8 9 12 FT RB160870000 In Stock $9.74309/FT FT
1 8 12 FT RB161000000 In Stock $10.6156/FT FT
1 1/8 8 12 FT RB161120000 In Stock $14.86706/FT FT
1 1/4 8 12 FT RB161250000 In Stock $14.50988/FT FT
1 3/8 8 12 FT RB161370000 In Stock $18.17899/FT FT
1 1/2 8 12 FT RB161500000 In Stock $20.30836/FT FT
1 5/8 8 12 FT RB161620000 In Stock $27.82126/FT FT
1 3/4 8 12 FT RB161750000 In Stock $33.949/FT FT
1 7/8 8 12 FT RB161870000 In Stock $41.29516/FT FT
2 8 12 FT RB162000000 In Stock $41.88145/FT FT
2 1/4 8 12 FT RB162250000 5-7 Working Days ARO $66.63249/FT FT
2 1/2 8 12 FT RB162500000 In Stock $49.77448/FT FT
2 3/4 8 12 FT RB162750000 In Stock $91.93397/FT FT