ASTM A193 B8T Stud Bolts

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ASTM A193 B8T Stud Bolts Manufacturer and Supplier in Kinshasa, Congo

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Mukau Fasteners, based in Kinshasa, Congo, is a trusted manufacturer and supplier of ASTM A193 B8T Stud Bolts, known for their high strength, durability, and reliability. These stud bolts are engineered to withstand extreme pressure, temperature, and corrosive conditions, making them ideal for critical industrial applications. At Mukau Fasteners, we focus on producing precision-engineered fasteners that meet international standards, ensuring performance and longevity. ASTM A193 B8T Stud Bolts are widely used in oil and gas, petrochemical, power generation, and industrial machinery, providing secure and dependable fastening solutions for demanding environments.

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ASTM A193 B8T Stud Bolts are made from austenitic stainless steel, primarily composed of chromium (18–20%) and nickel (8–10%), with trace amounts of carbon, manganese, and other alloying elements. This composition provides excellent corrosion resistance, toughness, and high-temperature strength. The bolts have tensile strength ranging from 600–750 MPa and yield strength around 310–380 MPa. They maintain durability under stress, resist pitting and crevice corrosion, and perform reliably in high-pressure, high-temperature, and chemically aggressive environments, making them suitable for demanding industrial applications.

ASTM A193 B8T Stud Bolts Chemical Composition

Element	B7	B8	B8M
Carbon	0.37 – 0.49%	0.08% max	0.08% max
Manganese	0.65 – 1.10%	2.00% max	2.00% max
Phosphorus, max	0.035%	0.045%	0.045%
Sulfur, max	0.040%	0.030%	0.030%
Silicon	0.15 – 0.35%	1.00% max	1.00% max
Chromium	0.75 – 1.20%	18.0 – 20.0%	16.0 – 18.0%
Nickel		8.0 – 11.0%	10.0 – 14.0%
Molybdenum	0.15 – 0.25%		2.00 – 3.00%

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ASTM A193 B8T Stud Bolts Mechanical Properties

Grade	Size	Tensile ksi, min	Yield, ksi, min	Elong, %, min	RA % min
B7	Up to 2-1/2	125	105	16	50
	2-5/8 – 4	115	95	16	50
	4-1/8 – 7	100	75	18	50
B8 Class 1	All	75	30	30	50
B8M Class 1	All	75	30	30	50
B8 Class 2	Up to 3/4	125	100	12	35
	7/8 – 1	115	80	15	35
	1-1/8 – 1-1/4	105	65	20	35
	1-3/8 – 1-1/2	100	50	28	45
B8M Class 2	Up to 3/4	110	95	15	45
	7/8 – 1	100	80	20	45
	1-1/8 – 1-1/4	95	65	25	45
	1-3/8 – 1-1/2	90	50	30	45

ASTM A193 B8T Stud Bolts Specifications

Material	Specification	Standards	Size	Length
ASTM A193 B8T Stud Bolts	IS BS ASTM	DIN, ISO, JIS, GB, IS, BS, ASTM	M 02 to M 160	3 mm to 200 mm

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ASTM A193 B8T Stud Bolts are extensively used in industries requiring high-strength and corrosion-resistant fastening solutions. They are ideal for oil and gas pipelines, pressure vessels, chemical processing equipment, and power generation systems. These bolts are also used in heat exchangers, boilers, and high-temperature machinery, where reliable performance under extreme conditions is critical. Their excellent mechanical and chemical resistance ensures secure fastening in high-pressure and corrosive environments. ASTM A193 B8T Stud Bolts provide long-term reliability, safety, and efficiency, making them essential components in critical industrial and engineering applications.

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We guarantee complete customer satisfaction by providing thorough documentation with our ASTM A193 B8T Stud Bolts. Our comprehensive package includes a commercial invoice, packaging list, fumigation certificate, heat treatment chart, and a NABL-approved lab test report. Additionally, we offer MTC certificates as per EN 10204/3.1b, PMI Test Certificates, 100% radiography test reports, and Third Party Inspection Certificates, ensuring the highest product quality and integrity standards.