ASTM A193 B8 Fasteners

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ASTM A193 B8 Fasteners Manufacturer and Supplier in Kinshasa, Congo

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Mukau Fasteners, based in Kinshasa, Congo, is a reliable manufacturer and supplier of ASTM A193 B8 Fasteners, known for their high quality, durability, and precision. These fasteners are engineered to perform effectively in demanding industrial conditions, providing strength and corrosion resistance for critical applications. With strict quality control and advanced manufacturing processes, Mukau Fasteners ensures that each ASTM A193 B8 Fastener meets international standards. Trusted across industries such as oil and gas, petrochemical, power generation, and construction, these fasteners deliver long-lasting performance, secure connections, and reliable operation in both high-pressure and high-temperature environments.

 

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ASTM A193 B8 Fasteners are made from austenitic stainless steel, typically Type 304, enriched with chromium and nickel for superior corrosion resistance and mechanical strength. These fasteners are solution treated to enhance their tensile strength, toughness, and fatigue resistance. Mechanically, they offer high yield strength, good ductility, and reliable performance under both high loads and elevated temperatures. Their balanced combination of chemical composition and mechanical properties ensures long-term durability and dependable functionality in challenging industrial conditions.

 

ASTM A193 B8 Fasteners 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 B8 Fasteners 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 B8 Fasteners Specifications

Material
Specification
Standards
Size
Length
ASTM A193 B8 Fasteners
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 B8 Fasteners are widely used in oil refineries, chemical plants, power stations, marine applications, and high-temperature industrial equipment. They are ideal for assembling pressure vessels, heat exchangers, pipelines, and structural components that require secure, corrosion-resistant connections. These fasteners perform reliably under harsh operating conditions, including exposure to chemicals, moisture, and saltwater. Their durability and high tensile strength make them essential in critical applications where safety, stability, and long-term performance are paramount, ensuring smooth and secure operation of machinery and structures.

 
 

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Types of ASTM A193 B8 Fasteners

ASTM A193 B8 Fasteners
B8 Stud Bolt
ASTM A193 Bolts
ASTM A193 B8 Washers
ASTM A193 B8 Stud Bolt
ASTM A193 B8 Square Bolts

We ensure that our ASTM A193 B8 fasteners are installed with the utmost care to maintain quality and integrity. Each binder is thoroughly inspected and packed to prevent damage during transport. We use durable, weather-resistant materials for packaging, ensuring safe delivery. Our packaging is designed for easy handling and storage while adhering to industry standards. Count on Mukau Fasteners for a reliable and quality fastening solution for all your fastening needs.

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Petrochemical Industry
Defence Industry

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