Carbon Steel EN-31 R-100 Bars

Sahil Metals, located in Riyadh, Saudi Arabia, stands out as a top manufacturer and supplier of high-quality alloy steel products tailored for demanding engineering applications. One of their flagship products is the **Carbon Steel EN‑31 (R‑100) Bars**, also referred to as 100Cr6 or EN31. These bars are celebrated for their impressive hardness, wear resistance, and fatigue strength. Crafted to adhere to strict international standards, they come with precise tolerances and heat treatments, making them perfect for essential components in the manufacturing, automotive, and heavy machinery industries throughout Saudi Arabia and the Gulf region.

Carbon Steel EN-31 R-100 Rods Dealer in Ras Al Khair, Carbon Steel EN-31 R-100 Bars Manufacturer in Ras Al Khair, Carbon Steel EN-31 R-100 Square Bars Supplier in Jeddah, Carbon Steel EN-31 R-100 Flat Bars Price List in Riyadh, Carbon Steel EN-31 R-100 Rectangular Bars Supplier in Dammam, Carbon Steel EN-31 R-100 Bars Price List in Saudi Arabia, Carbon Steel EN-31 R-100 Round Bars Weight Calculator Exporter Stockist in Al Jubail.

Carbon Steel EN-31 R-100 Round Bars

Carbon Steel EN-31 R-100 Hex Bars

Carbon Steel EN-31 R-100 Series Rods

Table of Contents

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

When it comes to composition, **Carbon Steel EN‑31 (R‑100) Bars** typically boast a high-carbon, chromium-alloyed makeup—featuring around 0.95–1.10% carbon, 1.20–1.60% chromium, 0.30–0.75% manganese, and up to 0.35% silicon. In their hardened and tempered state, these bars deliver tensile strength ranging from about 750 to 1,000 MPa, yield strength between 450 to 800 MPa, elongation of around 10–16%, and a hardness that can reach up to 65 HRC. The heat treatment process generally involves quenching in oil after heating to approximately 820–860 °C, followed by tempering at temperatures between 180–225 °C.

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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

Carbon Steel EN-31 R-100 Hollow Bars
Carbon Steel EN-31 R-100 Cold Rolled Rods
Carbon Steel EN-31 R-100 Polished Bars
Carbon Steel EN-31 R-100 Industrial Forged Bar & Rods
Carbon Steel EN-31 R-100 Square Bars
Carbon Steel EN-31 R-100 Round Bars

Stockist of Carbon Steel EN-31 R-100 Round Bars in Al Jubail, Carbon Steel EN-31 R-100 Bars Supplier in Saudi Arabia, Carbon Steel EN-31 R-100 Rods Price List in Riyadh, Carbon Steel EN-31 R-100 Rectangular Bars Supplier in Al Jubail, Carbon Steel EN-31 R-100 Hexagonal Bars Exporter in Ras Al Khair, Carbon Steel EN-31 R-100 T-Bars Exporter in Saudi Arabia, Carbon Steel EN-31 R-100 Cold Rolled Rods Exporter in Jeddah, Carbon Steel EN-31 R-100 Round Bar Manufacturer in Dammam, Carbon Steel EN-31 R-100 Round Bars Distributor in Saudi Arabia, Carbon Steel EN-31 R-100 Polished Rods Dealer in Ras Al Khair

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)

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

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

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

The **applications** for EN‑31 (R‑100) Bars are extensive, including the production of high-load and wear-critical components like bearings, gears, shafts, punches, dies, and heavy-duty machine parts. Their remarkable hardness and outstanding wear resistance make them particularly suited for dynamic load environments and precision tooling tasks. With their exceptional mechanical properties and dependable performance under stress, these bars have become a go-to choice for various industries.

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