Alloy ASTM A193 Grade B8 Class 1 Studs and Bolts

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Alloy ASTM A193 Grade B8 Class 1 Studs and Bolts

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Alloy ASTM A193 Grade B8 Class 1 Studs and Bolts Specification

Product Form
Studs, Bolts (Threaded)

Coating Type
None / Natural / Passivated

Diameter
1/4 to 2 1/2 (6mm to 64mm) or as per requirement

Size
Standard and custom sizes available

Recyclable
Yes

Hardness
max 223 HB or 95 HRB

Material Composition %
Cr 18%, Ni 8% (Type 304), Fe Balance

Corrosion Resistant
Excellent corrosion resistance

Tensile Strength
min 75 ksi (515 MPa)

Heat Resistance
Yes

Product Name
Alloy ASTM A193 Grade B8 Class 1 Studs & Bolts

Steel Type
Stainless Steel

Steel Product Type
Studs & Bolts

Grade
ASTM A193 Grade B8 Class 1

Thickness
Standard as per specification or customized

Shape
Hex/Stud/Threaded

Steel Standard
ASTM A193

Surface
Bright, Passivated, Plain

Composition
Austenitic Stainless Steel per ASTM A193 Gr. B8 Class 1

Application
Piping, pressure vessels, heat exchangers, chemical processing, power generation, petrochemical industries

Dimension (L*W*H)
As per requirement / Customized

Weight
Varies as per size and length

Color
Silver/Grey Metallic

Material Grade
Grade B8 Class 1

Finish Type
Natural/Passivated

Usage
Industrial, construction, mechanical joints, high-pressure environments

Threaded Ends
Full Thread or Double Ended Studs

Thread Type
UNC/UNF/Metric (as specified)

Standards Compliance
ASTM, ASME, DIN, ISO as applicable

Manufacturing Process
Cold/Hot Forged, Machined, Thread Rolled

Yield Strength
min 30 ksi (205 MPa)

Operating Temperature Range
-196°C to 870°C

Elongation
min 30%

Magnetism
Non-magnetic in annealed condition

Nut Compatibility
A194 Grade 8 nut compatible

About Alloy ASTM A193 Grade B8 Class 1 Studs and Bolts

We hold expertise in offering fasteners, such as nuts, bolts, washers, anchor & fasteners, stud bolts, Threaded Rod to our clients. These are manufactured utilizing high grade, such as Stainless Steel, Carbon Steel, duplex steel, monel, inconel, hastelloy, titanium and nickel alloy, which Alloy Steel assure their high tensile strength and corrosion resistance.

We offer a wide range of ASTM A193 Grade B8 in varied sizes and thickness to ensure long functional life. They are used in varried industrial and commercial sectors and its quality is assured.

The ASTM A193 Grade B8 Class 1 Bolts that we provide are stamped to withstand extreme condition because of it high grade material. These studs are manufactured using latest techniques to give dimensional accuracy and tensile strength.

Manufactured from (MATERIAL): AISI 304 Stainless Steel carbide solution treated with Strain Hardening.; Alloy steel AISI 4140/4142 Quenched And Tempered.

SIZE DIMENSIONS: DIA: UPTO 2 1/2" (Available in following standard sizes and can even be customized as per our clients requirement.).

Tensile Strength: 75

Versatile Industrial Fastening Solutions

ASTM A193 Grade B8 Class 1 Studs & Bolts are engineered for reliability across an extensive range of industrial applications. Their superior corrosion and heat resistance make them ideal for use in chemical processing, heat exchangers, pressure vessels, and power generation environments. These studs and bolts can be tailored in size and threading to meet precise installation, safety, and performance requirements.

Advanced Material and Manufacturing

Manufactured from austenitic stainless steel (Type 304), these fasteners offer a robust combination of minimum 75 ksi tensile strength and 30% elongation, along with enhanced durability due to precise cold or hot forging, machining, and thread rolling processes. Surface options include natural, passivated, or plain finishes, ensuring maximum durability and minimized maintenance.

FAQ's of Alloy ASTM A193 Grade B8 Class 1 Studs and Bolts:

Q: How are Alloy ASTM A193 Grade B8 Class 1 Studs & Bolts used in industry?

A: They are predominantly used in high-pressure and high-temperature environments such as piping systems, pressure vessels, heat exchangers, and chemical or petrochemical plants. Their robust design makes them suitable for mechanical joints demanding strong, corrosion-resistant fasteners.

Q: What are the main benefits of choosing ASTM A193 Grade B8 Class 1 studs and bolts?

A: Key benefits include excellent resistance to corrosion and oxidation, non-magnetic properties in the annealed state, and a wide operating temperature range from -196C up to 870C, making them reliable and durable for harsh environments.

Q: When should I specify full thread versus double ended studs?

A: Full thread studs are used where maximum engagement is needed across the length of the stud, while double ended studs are preferable when connections through flanges or other assemblies require threading on both ends for nut attachment.

Q: What is the process for manufacturing these studs and bolts?

A: The primary manufacturing methods are cold or hot forging, followed by machining and thread rolling. These processes ensure high dimensional accuracy, strength, and consistent thread quality compliant with ASTM and other international standards.

Q: Which thread types are available for these fasteners?

A: Thread options include UNC (Unified National Coarse), UNF (Unified National Fine), and metric threads, allowing compatibility with a variety of industrial standards and nuts, including A194 Grade 8.

Q: Where can these studs and bolts be customized in terms of size and finish?

A: Customization in length, diameter (from 1/4 to 2-1/2 inches or 6 to 64 mm), and surface finish (natural, bright, passivated, or plain) is available, as per specific project requirements. Manufacturers, suppliers, traders, and exporters across India offer these customization services.

Q: How do these studs and bolts contribute to sustainable engineering practices?

A: Being made of recyclable stainless steel and offering long service life due to their corrosion and heat resistance, they support sustainable construction and industrial operations by minimizing replacement cycles and environmental impact.

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