Carbon Steel EN-8 Bars

Dhruv Metals produces and supplies high-quality Carbon Steel EN-8 Bars, a medium-carbon steel grade known for its strength, wear resistance, and good machinability. EN-8 is one of the most commonly used grades for general engineering applications due to its balanced mechanical properties and compatibility with surface hardening. The bars are produced in hot-rolled or precision-ground finishes and meet the standards of BS970. With excellent dimensional control and surface quality, EN-8 bars are ideal for components that need moderate strength and durability.

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Carbon Steel EN-8 Series Round Bars

Carbon Steel EN-8 Series Hex Bars

Carbon Steel EN-8 Series Rods

What is Carbon Steel EN-8 Series Bars ?

EN-8 steel contains about 0.40% carbon and 0.70–0.90% manganese. It has a tensile strength between 550 and 700 MPa, a yield strength of around 280 MPa, and elongation of 16–20%. The steel can be surface-hardened through flame or induction hardening, which enhances its wear resistance. While it may not be as easy to weld as low-carbon steels, EN-8 can be welded using proper techniques and post-weld heat treatment if necessary.

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Carbon Steel EN-8 Series 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-8 Series Bars

Grade
	C%	Si%	Mn%	Cr%	Mo%	W%
EN-1A	0.007 TO 0.15	0.10	0.80 TO 1.00	S	P	–
				0.20 TO 0.30	0.70 MAX
EN-8	0.35 TO 0.45	0.05 TO 0.30	0.60 TO 1.00	S	P	–
				0.06 MAX	0.06 MAX
EN-9	0.50 TO 0.60	0.05 TO 0.30	0.5 TO 0.80	–	–	–
EN-19(V 320)	0.35 TO 0.45	0.10 TO 0.30	0.5 TO 0.80	0.90 TO 1.40	0.20 TO 0.40
EN-24(V 130)	0.35 TO 0.45	0.10 TO 0.35	0.45 TO 0.70	0.90 TO 1.40	0.20 TO 0.35	NI
						1.3 TO 1.8
EN-31 R-100	0.90 TO 1.20	0.10 TO 0.35	0.30 TO 0.75	1.00 TO 1.60	–	–
EN-36C E-200	0.12 TO 0.18	0.10 TO 0.35	0.30 TO 0.60	0.60 TO 1.10	–	NI
						3.0 TO 3.75
EN-42	0.70 TO 0.85	0.10 TO 0.40	0.55 TO 0.75	–	–	–
EN-44	0.90 TO 1.20	0.30	0.45 TO 0.70	–	–	–
EN-45 F-110	50 TO 0.60	1.5 TO 2.0	0.70 TO 1.00	–	–	–
EN-351	0.10 TO 0.20	0.35	0.60 TO 1.00	0.40 to 0.80	0.08 to 0.10	NI
						0.60 TO 1.00
EN-353	0.10 TO 0.20	0.35	0.50 TO 1.00	0.75 TO 1.25	0.08 to o.15	NI
						1.00 TO 1.50

Mechanical Properties of Carbon Steel EN-8 Series Bars

	Annealed	R	S	T	U	V	W	Y
Ruling Section (mm)	150	150	100	65	65	30	30	25
Tensile Strength (MPa)	680/720	690/850	770/930	850/1000	930/1080	1000/1160	1080/1240	1280
Yield Stress (MPa)	440/480	480	570	665	740	835	895	1050
Elongation (% Min)	22	15	15	13	12	12	10	10
ISO V Impact (Joule)	30	30	30	30	25	25	22	7
Hardness (Brinell)	190/210	201/255	223/277	248/302	269/321	293/341	311/375	363/415
Proof Stress (0.2%) if required (MPa, Min)		495	550	630	710	770	850	985

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Carbon Steel EN-8 Series Bars Types

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Equivalent Grades Carbon Steel EN-8 Series

Standard	CS EN-19
UNS	–
WERKSTOFF NR.	42Cr4Mo2
BS	709M40
IS	40Cr4Mo3
JIS	–
EN	EN19
SAE/AISI	4140,4142

Frequently Asked Questions (FAQ)

What are the key features of Carbon Steel EN-8 Bars and Rods?

They offer high tensile strength, wear resistance, and excellent machinability, making them suitable for demanding applications.

Which industries commonly use EN-8 Bars and Rods?

They are widely used in automotive, engineering, and heavy machinery industries for components like gears, shafts, and bolts.

Can EN-8 Bars and Rods be customized?

Yes, we provide EN-8 Bars and Rods in various sizes and specifications to meet specific project requirements.

Carbon Steel EN-8 Series Bars Uses

Carbon Steel EN-8 Bars are widely used in components like shafts, studs, keys, axles, and mechanical parts exposed to moderate loading conditions. They are also common in tool holders, crankshafts, connecting rods, and brake components. The automotive and manufacturing industries rely on EN-8 for producing high-strength parts that are easy to machine and finish. Dhruv Metals guarantees high performance, accurate sizing, and reliable quality with every EN-8 bar supplied.

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