Steelveron

Carbon Steel Fasteners

Steelvron is a globally recognized Carbon Steel Fasteners Supplier, Manufacturer, and Exporter, offering high-performance fastening solutions designed for strength, reliability, and cost-effectiveness. Our carbon steel fasteners are engineered to deliver consistent mechanical properties, making them suitable for structural, mechanical, and industrial applications where durability and efficiency are critical. With advanced manufacturing facilities and strict quality protocols, Steelvron ensures that every fastener provides robust load-bearing performance and long service life.

Overview

Unlike stainless steel or alloy variants, carbon steel fasteners are valued for their exceptional tensile strength, machinability, and affordability, making them an ideal choice for large-scale construction and heavy engineering projects. Manufactured in compliance with ASTM A307, ASTM A563, and ISO 898 standards, our fasteners meet global benchmarks of dimensional accuracy, heat treatment, and mechanical properties. These qualities make Steelvron carbon steel fasteners a trusted solution for demanding environments across oil & gas, power generation, shipbuilding, automotive, and infrastructure sectors.

With a wide range of options including bolts, nuts, studs, washers, screws, and custom-engineered fasteners, Steelvron provides tailor-made fastening solutions to match diverse project requirements. Available in Grades A, B, and C of ASTM A307, ASTM A563 hex nuts, and ISO 898 property classes, our carbon steel fasteners guarantee compatibility, safety, and superior mechanical strength under both static and dynamic loads. Through precision machining, heat treatment, and rigorous testing, Steelvron stands as a preferred partner for industries seeking dependable fastening solutions at a global scale.

Technical Specifications of Carbon Steel Fasteners

Standards:

ASTM A307, ASTM A563, ISO 898, DIN, EN, JIS, BS

Grades Available:

ASTM A307 (Grades A, B, C), ASTM A563 (Hex Nuts: A, C, DH, DH3), ISO 898 Property Classes (4.6, 5.6, 8.8, 10.9, 12.9)

Size Range:

M6 to M100 (¼” to 4”)

Length:

Up to 500 mm (customized on request)

Thread Types:

UNC, UNF, Metric, BSW, BSF

Finish:

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

Chemical Properties Of Carbon Steel Fasteners

Grade/Standard	C (max)	Mn (max)	P (max)	S (max)	Other Elements
ASTM A307 A/B	0.29	1.20	0.04	0.05	–
ASTM A563 A	0.55	1.35	0.12	0.15	–
ISO 898 (8.8)	0.35	0.90	0.035	0.035	Cr + Mo + V (0.12 max)
ISO 898 (10.9)	0.40	1.00	0.030	0.030	Cr + Mo + V (0.20 max)

Physical Properties of Carbon Steel Fasteners

Property

ASTM A307

ASTM A563

ISO 898 Class 8.8

ISO 898 Class 10.9

Density (g/cm³)

7.85

7.85

7.85

7.85

Tensile Strength (MPa)

400–600

550–750

800–900

1000–1100

Yield Strength (MPa)

250–300

325–450

640

940

Elongation (%)

18–22

14–18

12–15

9–12

Hardness (HB)

120–180

140–220

223–302

320–370

Mechanical Properties Of Carbon Steel Fasteners

Standard / Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
ASTM A307 Grade A	400 min	250 min	18
ASTM A307 Grade B	485 min	275 min	18
ASTM A563 Grade DH	620 min	325 min	14
ISO 898 Class 8.8	800–900	640	12
ISO 898 Class 10.9	1000–1100	940	9

Types Of Carbon Steel Fasteners We Offer

Carbon Steel Bolts

Carbon Steel Nuts

Carbon Steel screws

Carbon Steel Studs

Carbon Steel Washers

Carbon Steel Custom Fasteners

Materials We Offer

Nickel Alloy Fasteners

FAQ

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

Why choose Steelvron for Carbon Steel Fasteners?

Steelvron provides premium-quality carbon steel fasteners that comply with ASTM, ISO, and DIN standards, ensuring high strength, durability, and cost-effectiveness.

Which grades do you offer?

We supply ASTM A307 Grades A, B, C, ASTM A563 hex nuts, and ISO 898 property classes including 4.6, 5.6, 8.8, 10.9, and 12.9.

Do you provide protective coatings?

Yes, we offer black oxide, zinc plating, hot dip galvanizing, PTFE, and phosphate coatings to enhance corrosion resistance.

Can you supply custom fasteners?

Absolutely, Steelvron manufactures custom-designed fasteners as per client drawings and industry requirements.

Which industries commonly use your carbon steel fasteners?

Our fasteners are extensively used in construction, oil & gas, automotive, shipbuilding, and heavy engineering sectors.

Why Choose Us?

Global Expertise

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

Complete Range

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

Certified Quality

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

International Standards

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

Custom Solutions

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

Worldwide Reach

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

Property	ASTM A307	ASTM A563	ISO 898 Class 8.8	ISO 898 Class 10.9
Density (g/cm³)	7.85	7.85	7.85	7.85
Tensile Strength (MPa)	400–600	550–750	800–900	1000–1100
Yield Strength (MPa)	250–300	325–450	640	940
Elongation (%)	18–22	14–18	12–15	9–12
Hardness (HB)	120–180	140–220	223–302	320–370

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