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Alloy Steel Fasteners

Alloy Steel Fasteners

Steelvron is a leading Alloy Steel Fasteners Manufacturer, Supplier, and Exporter, delivering high-performance fastening solutions that are trusted across global industries. Designed for durability, strength, and long service life, our alloy steel fasteners provide exceptional mechanical properties and resistance to stress, heat, and pressure. With a focus on quality and precision, Steelvron ensures that every fastener manufactured meets stringent ASTM, ASME, and ISO international standards, making them suitable for some of the most demanding industrial environments.

Overview

Our product portfolio includes a wide variety of fasteners such as hex bolts, nuts, studs, washers, screws, and customized fasteners, all crafted using advanced CNC machining and heat treatment techniques. These processes enhance the material’s toughness, wear resistance, and tensile strength, ensuring consistent performance under heavy loads and extreme conditions.

The most widely used grades – ASTM A194 (2H, 2HM, 7, 8, 8M) and ASTM A320 (B7, B16, L7) – are engineered for specific applications ranging from high-temperature boiler systems and turbines to cryogenic pipelines and petrochemical refineries. Grade B7 is known for its high tensile strength and pressure resistance, B16 is ideal for elevated temperatures, while L7 is designed to retain toughness even at sub-zero temperatures.

By combining metallurgical expertise with state-of-the-art facilities, Steelvron delivers alloy steel fasteners that are not only dimensionally accurate but also tested for corrosion resistance, hardness, and mechanical integrity. Our fasteners undergo strict non-destructive testing (NDT), ultrasonic inspection, and hardness checks, ensuring every batch is fit for mission-critical projects.

Whether it is the oil & gas sector, power generation, chemical processing, construction, or marine engineering, Steelvron’s alloy steel fasteners offer unmatched performance, making us the preferred partner for businesses worldwide. With ready stock availability, customized solutions, and global export capabilities, we guarantee reliability, timely delivery, and consistent quality at competitive prices

 

Technical Specifications of Alloy Steel Fasteners

Standards:

ASTM A194, ASTM A320, ASME, DIN, ISO, JIS, BS

Grades Available:

A194 (Grades 2H, 2HM, 7, 8, 8M), A320 (B7, B16, L7)

Size Range:

M6 to M100 (¼” to 4”)

Length:

Up to 1000 mm (custom available)

Thread Types:

UNC, UNF, Metric, BSW, BSF

Finish:

Black Oxide, Zinc Plated, Hot Dip Galvanized, PTFE Coated, Phosphate

Chemical Properties Of Alloy Steel Fasteners

Grade / Standard

C (max)

Mn (max)

P (max)

S (max)

Cr

Mo

Ni

Other Elements

ASTM A320 B7

0.35

0.70–1.35

0.04

0.05

0.80–1.10

0.15–0.25

ASTM A320 B16

0.37

0.75–1.00

0.04

0.05

2.00–2.35

0.45–0.65

V (0.25 max)

ASTM A320 L7

0.35

0.70–1.35

0.04

0.05

0.40–0.80

0.15–0.25

ASTM A194 2H Nut

0.40

1.35

0.04

0.05

Heat Treated Carbon Steel

Physical Properties of Alloy Steel Fasteners

Property

A320 B7

A320 B16

A320 L7

A194 2H Nut

Density (g/cm³)

7.85

7.85

7.85

7.85

Melting Point (°C)

1425–1510

1425–1510

1425–1510

1425–1510

Tensile Strength (MPa)

860–1035

1000–1140

860–1035

620–830

Yield Strength (MPa)

725 min

860 min

725 min

450–600

Elongation (%)

16–20

12–16

16–20

14–18

Hardness (HB)

241–321

269–341

241–321

223–302

Mechanical Properties Of Alloy Steel Fasteners

Standard / Grade

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

ASTM A320 B7

860–1035

725 min

16–20

ASTM A320 B16

1000–1140

860 min

12–16

ASTM A320 L7

860–1035

725 min

16–20

ASTM A194 2H Nut

620–830

450–600

14–18

Types Of Alloy Steel Fasteners We Offer

Materials We Offer






FAQ

Your complete guide to understanding Steelvron’s products, materials, certifications, and industrial applications worldwide

Why choose Steelvron for Alloy Steel Fasteners?
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Steelvron manufactures alloy steel fasteners with high tensile strength, corrosion resistance, and compliance with ASTM and ISO standards, ensuring global reliability.

Which grades do you supply?
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We supply ASTM A194 (2H, 2HM, 7, 8, 8M) and ASTM A320 (B7, B16, L7) grades for bolts, nuts, and studs.

Can your alloy steel fasteners handle extreme environments?
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Yes, our fasteners are heat-treated for high strength and designed for both elevated temperature and cryogenic applications.

Do you provide protective coatings?
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Yes, we offer finishes including black oxide, hot dip galvanizing, zinc plating, phosphate, and PTFE coatings.

Are custom fasteners available?
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Absolutely. Steelvron manufactures customized alloy steel fasteners based on client drawings and project requirements.

fasteners fasteners

Why Choose Us?

Global Expertise

Global Expertise

Trusted manufacturer, supplier, and exporter of Alloy Steel Fasteners worldwide.

Complete Range

Complete Range

Comprehensive portfolio covering all Alloy Steel Fasteners materials and types, ensuring broad compatibility.

Certified Quality

Certified Quality

ISO-certified facilities ensure strict manufacturing and testing, delivering precision products consistently.

International Standards

International Standards

Products meet ASME, ANSI, DIN, EN, BS, and JIS norms, ensuring acceptance.

Custom Solutions

Custom Solutions

Supplying standard and tailor-made Alloy Steel Fasteners, crafted to match exact specifications.

Worldwide Reach

Worldwide Reach

Exporting to 50+ countries with a proven record of client satisfaction.