ASTM A193 B8T Fasteners

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ASTM A193 B8T Fasteners Manufacturer and Supplier in Canberra, Australia

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Hazlewood Fasteners, a well-respected manufacturer and supplier located in Canberra, Australia, specializes in high-quality ASTM A193 B8T Fasteners that are built for exceptional strength, heat resistance, and protection against corrosion. Crafted from AISI 321 stainless steel, a titanium-stabilized alloy, these fasteners boast remarkable resistance to intergranular corrosion, even when subjected to high temperatures. Renowned for their impressive mechanical stability and long-lasting durability, Hazlewood’s ASTM A193 B8T Fasteners are perfect for industries such as petrochemical, marine, oil & gas, and power generation. Each fastener is meticulously engineered to meet ASTM standards, guaranteeing reliable performance in the toughest industrial settings.

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ASTM A193 B8T Fasteners are made up of chromium (17–19%), nickel (9–12%), and titanium (0.4–0.7%), along with trace amounts of carbon, manganese, silicon, phosphorus, and sulfur, with iron making up the rest. The titanium stabilization helps prevent carbide precipitation, ensuring excellent resistance to intergranular corrosion. They showcase impressive tensile strength (515 MPa) and yield strength (205 MPa), maintaining their mechanical integrity even at high temperatures. The alloy’s chromium and nickel content offers outstanding oxidation and scaling resistance up to 870°C (1600°F), while the addition of titanium enhances structural stability, making them ideal for thermal and chemical processing applications.

ASTM A193 B8T 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 B8T 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 B8T Fasteners Specifications

Material	Specification	Standards	Size	Length
ASTM A193 B8T 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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ASTM A193 B8T Fasteners are widely utilized in heat exchangers, boilers, pressure vessels, condensers, and turbine assemblies that operate in high-temperature and corrosive settings. Their remarkable resistance to oxidation and thermal fatigue makes them a go-to choice for petrochemical plants, power generation facilities, marine equipment, and chemical processing systems. These fasteners are also perfect for reactor components, exhaust systems, superheaters, and steam pipelines, where reliability in extreme conditions is essential. Thanks to their titanium-stabilized structure, they offer a long service life and help prevent corrosion-related failures. With exceptional strength, stability, and resistance, ASTM A193 B8T Fasteners are the preferred option for high-performance industrial fastening needs.

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We prioritize quality by conducting rigorous tests, including Hardness Tests, Spectro Analysis, and PMI Testing, on all our materials before dispatch. We provide essential documents such as commercial invoices, packing lists, Certificates of Origin, and Guarantee Letters to ensure client satisfaction. Additionally, we offer Third Party Inspection Certificates to affirm our commitment to delivering top-tier products. Our comprehensive approach underscores our dedication to maintaining the highest standards and ensuring the reliability of our fasteners.