ASTM A193 B8T Nuts

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ASTM A193 B8T Nuts Manufacturer and Supplier in Kinshasa, Congo

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MUKAU FASTENERS, located in Kinshasa, Congo, is a reliable manufacturer and supplier of ASTM A193 B8T Nuts, designed for exceptional strength and resistance to corrosion. Crafted from top-notch AISI 321 stainless steel, these nuts perform brilliantly in high-temperature and harsh environments. Built to meet international standards, ASTM A193 B8T Nuts provide trustworthy fastening solutions for various sectors, including industrial, marine, and chemical applications. MUKAU FASTENERS prioritizes precision in manufacturing, rigorous quality control, and durable finishes, ensuring customers receive dependable fastening components that excel in demanding conditions like pressure vessels, heat exchangers, and petrochemical setups.

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ASTM A193 B8T Nuts are made from AISI 321 stainless steel, which includes chromium (17–19%), nickel (9–12%), titanium (≥5×C%), along with trace elements such as manganese and silicon. This titanium-stabilized alloy significantly boosts resistance to intergranular corrosion and oxidation at high temperatures. The nuts showcase impressive tensile strength (minimum 75 ksi), yield strength, and elongation properties, guaranteeing mechanical reliability under pressure. Their non-magnetic, heat-resistant, and corrosion-resistant traits make them perfect for high-temperature settings. With outstanding hardness and ductility, ASTM A193 B8T Nuts promise long-lasting stability and mechanical integrity in tough industrial environments.

ASTM A193 B8T Nuts 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 Nuts 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 Nuts Specifications

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

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To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.

ASTM A193 B8T Nuts find extensive use in industries that demand high-temperature and corrosion-resistant fastening solutions. They are commonly used in heat exchangers, pressure vessels, boilers, condensers, and piping systems across power generation, petrochemical, and marine sectors. Thanks to their titanium stabilization, these nuts maintain their structural integrity even in environments subjected to continuous heat cycles. They are also well-suited for applications in refineries, ensuring reliable performance in challenging conditions.

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Types of ASTM A193 B8T Nuts

We provide complete documentation on our ASTM A193 B8T nuts, including 100% radiography test reports, raw material test reports, customer test reports, and heat treatment plans. This includes our packaging, fumigation certificates, marketing invoices, quality assurance systems, and raw materials. In addition, we issue manufacturer test certificates (MTC) under EN 10204/3.1B. Our ASTM A193 B8T nuts are packaged according to industry standards and manufactured to meet customer specifications, ensuring quality and complying with all required documentation.