A193 B8M Stud Bolt

Type : Fully Threaded stud bolt / Double ended Stud bolt
Material :304/316/321/ 904l/ C276/ Monel 400 / Inconel
Thread Style: UNC, UNF, 8UN, Metric Fine and Coarse

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A193 B8M stud bolt – Stainless Steel 316 stud bolts Manufacturer

What Is A193 B8M stud bolt?

A193 B8M stud bolts are fully threaded fasteners made from stainless steel 316 (AISI 316), offering excellent corrosion resistance, high strength, and long service life.

They are widely used in:

Petrochemical industry

Marine applications

Offshore projects

Chemical processing plants

High-temperature environments


B8M is the strain-hardened version of Type 316 stainless steel, making it ideal for harsh and corrosive environments.


Material & Grade – ASTM A193 B8M (316 Stainless Steel)

ASTM A193 B8M refers to:

Material: Stainless steel 316 / 316L

Condition: Class 1 (strain-hardened), Class 2 (solution-annealed)

Corrosion resistance: Excellent in seawater, acidic, and chloride environments

Temperature resistance: Suitable for high and low temperatures


This grade is equivalent to:

UNS S31600 / S31603

DIN 1.4401 / 1.4404


Dimensions & Specifications

We manufacture A193 B8M stud bolts according to:

ASME B16.5

ASME B18.2.1 / B18.2.2

ASME B1.1 Unified Thread

DIN / ISO standards


Available sizes:

Diameter: 1/4” – 4”

Length: Up to 3000 mm

Threads: UNC / UNF / Metric coarse / Metric fine


Nuts supplied:

A194 Grade 8M heavy hex nuts

Stainless steel 316 / 316L nuts


Features of A193 B8M stud bolts

Excellent resistance to chloride corrosion

Non-magnetic structure

High tensile strength

Suitable for marine and chemical environments

Long service life with minimal maintenance


Common Applications

A193 B8M stud bolts are used in:

Heat exchangers

Valves and flanges

Pressure vessels

Pumps and pipelines

Offshore platforms

Food and pharmaceutical equipment


Why Choose Us as Your B8M stud bolt Manufacturer?

10+ years of manufacturing experience

Full material traceability (MTC 3.1 available)

Support OEM / customized sizes

Competitive factory prices

Short delivery time and strict quality control


Available Surface Finish

Plain

Passivated

Polished

PTFE coating (optional)


Request a Quote

contact us for customized A193 B8M stud bolts, nuts, and related stainless-steel fasteners.

We offer fast delivery and full documentation support.

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