ASTM A193 Grade B16 Stud Bolts,A193 B16 Stud Bolts

China ASTM A193 Grade B16 Stud Bolts,A193 B16 Stud Bolts manufacturer

ASTM A193 Grade B16 is a bolting specification for high temperature service. It is a heat treated Chromium-Molybdenum-Vanadium steel. The specification calls for minimum strength and maximum hardness levels. It is considered to be most suitable for bolts used at temperatures below 840°F or 450° C.

The A193 Grade B16 Stud bolt is commonly used in petroleum and chemical construction applications. The ASTM standard covers alloy steel and stainless steel bolting materials for high temperature or high-pressure service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Although, this material is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.

ASTM A193 grade B16 stud bolts ASTM A193 B16 Stud Bolts

A193 B16 stud bolts are a type of high temperature, high strength alloy steel fastener commonly used in oil and gas, petrochemical, and power generation industries. They are made from ASTM A193 Grade B16 steel, which is a chromium-molybdenum-vanadium alloy steel with a minimum tensile strength of 125 ksi and a minimum yield strength of 105 ksi.

A193 B16 stud bolts are typically used in high temperature and high pressure applications such as flanges, pressure vessels, and valves. They come in various sizes and lengths to accommodate different applications and are often used in conjunction with A194 heavy hex nuts to provide a secure and reliable fastening solution.

A193 B16 Stud Bolts Yield Strength

Size	Yield Strength, ksi, (min)
Up to 2-1/2	105
Over 2-1/2 to 4	95
Over 4 to 8	85

ASTM A193 Grade B16 stud bolt Chemical Composition

Element	%
Carbon	0.42 – 0.50%
Manganese	0.45 – 0.70%
Silicon	0.20 – 0.35%
Chromium	0.80 – 1.15%
Molybdenum	0.45 – 0.65%
Sulfur	0.025% max
Phosphorous	0.025% max
Vanadium	0.25 – 0.35%
Aluminum	0.015% max

A193 Grade B16 Bolts and Nuts Mechanical Properties

Diameter	Tensile Strength, ksi, (min)	Yield Strength, ksi, (min)	Elongation %, (min)	RA % min	HRC	HBW
Up to 2-1/2	125	105	18	50	35 max	321 max
Over 2-1/2 to 4	110	95	17	45
Over 4 to 8	100	85	16	45