Carbon Steel EN-31 R-100 Bars

Luois Metals is your go-to manufacturer and supplier of Carbon Steel EN-31 R-100 Bars, proudly based in Houston, USA. We’ve built a solid reputation for delivering top-notch alloy steel products, and our EN-31 R-100 bars are no exception. They’re known for their impressive hardness, wear resistance, and strength, making them perfect for applications that require high surface hardness and fatigue strength. With our precision machining, strict quality control, and customizable options, Luois Metals serves a variety of industries, including automotive, tooling, engineering, and manufacturing. We’re dedicated to providing durable and cost-effective solutions, which is why we’re a trusted source for EN-31 R-100 Bars throughout the United States.

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Carbon Steel EN-31 R-100 Round Bars

Carbon Steel EN-31 R-100 Hex Bars

Carbon Steel EN-31 R-100 Series Rods

What is Carbon Steel EN-31 R-100 Series Bars ?

Carbon Steel EN-31 R-100 Bars are high carbon alloy steel bars that typically contain about 1.0% carbon, 1.4–1.6% chromium, along with trace amounts of manganese and silicon. These elements work together to deliver high hardness, strength, and excellent wear resistance. EN-31 R-100 boasts a tensile strength of around 750–1000 MPa and maintains good toughness after heat treatment. It also keeps its shape well and resists surface fatigue even under high-stress conditions. Plus, with good machinability in the annealed state, these bars can be hardened through quenching and tempering, making them ideal for heavy-duty and precision mechanical components.

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Carbon Steel EN-31 R-100 Bars Specifications

Grades	EN 8, EN 19, EN 24, EN 31
Dimensions	EN, DIN, JIS, ASTM, BS, ASME, AISI
Carbon Steel EN Series Round Bars	3.0 – 50.8 mm, Over 50.8 – 300mm
Carbon Steel EN Series Rectangular Bars	6.35 x 12.7mm,6.35 x 25.4mm,12.7 x 25.4mm
Carbon Steel EN Series Hex Bars	AF5.8mm–17mm
Carbon Steel EN Series Square Bars	AF2mm – 14mm, AF6.35mm,9.5mm,12.7mm, 15.98mm,19.0mm, 25.4mm
Carbon Steel EN Series Flat Bars	1/2” to 10” in thickness range of 2mm to 150mm
Length	1 to 6 Meters, Custom Cut Lengths
Finish	Bright, Polish & Black
Form	Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.

Chemical Compositions of Carbon Steel EN-31 R-100 Bars

Carbon	0.95 / 1.10
Manganese	0.40 / 0.70
Silicon	0.10 / 0.35
Sulfur	Max 0.050
Phosphorus	Max 0.040
Chromium	1.20 – 1.60

Mechanical Properties of Carbon Steel EN-31 R-100 Bars

NAME OF MATERIAL	COMPOSITION IN % OF WEIGHT		THERMAL CONDUCTIVITY W/M-K	DENSITY KG/M^3	MELTING POINT
	C	Mn Si Cr S P Mg
En-31 IS-103 Crl	1.5	0.52 0.22 1.3 0.05 0.05 –	46.6	7810	1540

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Carbon Steel EN-31 R-100 Bars Types

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Equivalent Grades Carbon Steel EN-31 R-100 Bars

BRITISH BS 970:1991	535A99
BRITISH BS 970:1955	EN31
GERMAN DIN	100CR6
FRENCH AFNOR	100C6
SWEDISH SS	2258
AMERICAN SAE / AISI	52100

Frequently Asked Questions (FAQ)

What are the key features of Carbon Steel EN-31 R-100 Bars and Rods?

They offer high hardness, excellent wear resistance, and durability, making them ideal for heavy-duty and high-performance applications.

What industries use EN-31 R-100 Bars and Rods?

They are commonly used in automotive, engineering, and tooling industries for components like gears, shafts, dies, and cutting tools.

Can EN-31 R-100 Bars and Rods be customized?

Yes, we provide EN-31 R-100 Bars and Rods in various sizes and specifications tailored to meet specific application requirements.

Carbon Steel EN-31 R-100 Bars Uses

You’ll find Carbon Steel EN-31 R-100 Bars in a variety of applications that demand high surface hardness and abrasion resistance. In the automotive sector, they’re commonly used to manufacture bearings, gears, shafts, and axles. Tool and die makers depend on them for crafting punches, rollers, and dies that can withstand repetitive wear. In general engineering, EN-31 bars are utilized in components that face high mechanical stress and surface fatigue. They’re also found in machine parts, spindles, and fasteners where strength and durability are paramount. Their ability to be hardened and tempered makes them a top choice in both precision and heavy-duty industries.

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