ASTM A193 B8T Bolts

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ASTM A193 B8T Bolts Manufacturer and Supplier in Bangkok, Thailand

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Pengkumta Fasteners, a reliable manufacturer and supplier located in Bangkok, Thailand, specializes in top-notch ASTM A193 B8T Bolts that are perfect for high-performance tasks in tough industrial settings. Crafted from austenitic stainless steel, these bolts boast impressive resistance to corrosion, extreme temperatures, and chemical exposure, ensuring they provide dependable and long-lasting fastening solutions in critical situations. With their precise threading, exceptional finishing, and strict adherence to ASTM A193 standards, Pengkumta guarantees that B8T Bolts offer consistent strength and durability, making them a go-to choice for industries like petrochemical, chemical processing, oil and gas, power generation, and marine applications.

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ASTM A193 B8T Bolts are made from high-quality austenitic stainless steel, usually 304 or 316, which provides remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. They have a minimum tensile strength of around 515 MPa and good yield strength, along with excellent ductility and toughness, even at elevated temperatures. These mechanical properties, paired with their corrosion-resistant makeup, make B8T Bolts ideal for critical bolting applications where strength, reliability, and chemical resistance are a must.

ASTM A193 B8T 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 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 Bolts Specifications

Material	Specification	Standards	Size	Length
ASTM A193 B8T 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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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.

These bolts are widely utilized in industries that demand high-strength, corrosion-resistant fasteners. In the chemical and petrochemical fields, they find their place in pressure vessels, heat exchangers, and piping systems. The oil and gas sector employs them in refineries, offshore platforms, and subsea equipment. Additionally, the power generation and marine industries depend on these bolts for turbines, pumps, and other machinery that face harsh environmental conditions. Their blend of high mechanical strength and excellent corrosion resistance ensures they perform reliably in challenging and high-temperature applications.

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Types of ASTM A193 B8T Bolts

We uphold stringent quality standards for our ASTM A193 B8T Bolts, subjecting them to rigorous tests such as Hardness Test, Chemical Analysis via Spectro Analysis, PMI Testing, Flattening Test, Micro and Macro Tests, Pitting Resistance Test, Flaring Test, Intergranular Corrosion (IGC) Test. Each order includes a commercial invoice, packaging list, Certificate of Origin, and Guarantee Letter. For added assurance, we offer third-party inspection certificates to validate the excellence and suitability of our bolts for various applications, ensuring client satisfaction.