ASTM A193 B8 CL3 Fasteners

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ASTM A193 B8 CL3 Fasteners Manufacturer and Supplier in Delhi, India

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Punit Fasteners stands out as a top-notch manufacturer and supplier located in Delhi, India, with a focus on high-quality ASTM A193 B8 CL3 fasteners. Known for their precision engineering and reliable performance, Punit Fasteners provides durable, corrosion-resistant fastening solutions that cater to a wide range of industrial needs. With state-of-the-art manufacturing facilities and a strong dedication to international standards, the company serves various sectors, including petrochemical, power generation, and heavy machinery. Punit Fasteners prides itself on timely deliveries, competitive pricing, and excellent technical support, making it a go-to choice for clients looking for dependable ASTM A193 B8 CL3 fasteners both in India and around the globe.

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When it comes to ASTM A193 B8 CL3 fasteners, they are primarily made from austenitic stainless steel alloy, specifically Type 304 stainless steel, which contains chromium (18-20%) and nickel (8-10.5%) for enhanced corrosion resistance. These fasteners undergo carbide solution treatment and strain hardening, boosting their strength and hardness. They boast impressive mechanical properties, including a minimum tensile strength of 125 ksi and a yield strength of 100 ksi, along with excellent resistance to stress corrosion cracking. The Class 3 designation guarantees superior performance in high-pressure and high-temperature settings, making these fasteners perfect for demanding industrial applications.

ASTM A193 B8 CL3 Fasteners Chemical Composition

Element	B7	B8 CL3	B8 CL3M
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 CL3 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 CL3 Class 1	All	75	30	30	50
B8 CL3M Class 1	All	75	30	30	50
B8 CL3 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
B8 CL2M Class 3	Up to 3/4	110	95	15	45

ASTM A193 B8 CL3 Fasteners Specifications

Material	Specification	Standards	Size	Length
ASTM A193 B8 CL3 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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You’ll find ASTM A193 B8 CL3 fasteners commonly used in high-stress and high-temperature environments, thanks to their remarkable strength and corrosion resistance. They are frequently found in petrochemical plants, oil and gas refineries, heat exchangers, pressure vessels, and marine structures. These fasteners are particularly suited for assembling flanges, valves, and fittings where durability and performance are essential. Additionally, they are utilized in power generation units, chemical processing plants, and food-grade equipment. Their ability to endure extreme conditions while maintaining structural integrity makes them a trusted choice for both onshore and offshore industrial installations.

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Types of ASTM A193 B8 CL3 Fasteners

At Punit Fasteners, we prioritize the safe and efficient packaging of ASTM A193 B8 CL3 fasteners. Each fastener is meticulously inspected and securely packaged in durable, protective materials to prevent damage during transit. Our packaging is designed to maintain the integrity and quality of the fasteners, ensuring they arrive in optimal condition. We offer customized packaging solutions to meet specific customer requirements, reflecting our commitment to excellence and customer satisfaction.