Carbon Steel EN-9 Bars

Sahil Metals, located in Riyadh, Saudi Arabia, is a reputable manufacturer and supplier of top-notch carbon steel products designed for durability and accuracy. Among their extensive range is the **Carbon Steel EN‑9 Bars**, a medium-carbon steel grade (also referred to as 070M55 under BS 970) known for its remarkable wear resistance, tensile strength, and versatility when heat-treated. Available in various forms such as round, square, and bright-finished bars, Sahil Metals caters to industries like automotive, heavy machinery, and general engineering throughout Saudi Arabia and the broader GCC region. ([Steelmet Blog][1], [Round Steel][2])

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Carbon Steel EN-9 Round Bars

Carbon Steel EN-9 Hex Bars

Carbon Steel EN-9 Series Rods

What is Carbon Steel EN-9 Series Bars ?

In their normalized state, the mechanical properties showcase **tensile strength ranging from 600–800 MPa**, **yield strength between 350–500 MPa**, **hardness of 150–170 HB**, and elongation of about **10–15%** ([Steelmet Blog][1]). After undergoing quenching and tempering, tensile strength can soar to **up to 1,000 MPa**, with surface hardness potentially reaching **50 HRC** ([Steelmet Blog][1], [Round Steel][2]). Typical mechanical data for ruling sections confirm similar patterns, with both tensile and yield strengths increasing in line with the strength condition (N, R, S, T) ([Saaj Steel][3], [Round Bars][4]).

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Carbon Steel EN-9 Bars Specifications

EN9 / 070M55 Bars and Rods Conforms To NACE MR0175/ISO 15156
Grade	070M55 / EN-9
Specification	BS 970 1991
Round Bar Size	Diameter: 3-~800mm
Square Bar size	4 to 100mm
Flat Bar Size	Thickness: 2 -100mm
Flat Bar Size	Width: 10 to 500mm
Hex Bar Size	2-100mm A/F
Rectangles Size	33 x 30mm to 295 x 1066mm
Hollow Bar	32mm OD x 16mm ID to 250mm OD x 200mm ID)
Angle Bar Size	3mm20mm20mm~12mm100mm100mm
Channel Bar	80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Section	3.0 to 12.0mm thickness
Billet Size	1/2″ to 495mm Diameter
Finish	Cold (bright) drawn, centreless ground,smooth turned, Rough Turned, Bright, peeled, hot rolled, hot rolled annealed, slit rolled edge, Polish, Grinding, Centreless Ground & Black
Tolerance	K9, K10, K11, K12, H8, H9, H10, H11, H12, H13, or as per clients’ requirements
Surface	Polished, Bright, Cold Drawn, Hot Rolled Pickled, Sand Blasting Finished, Hairline
Condition	Hardened & Tempered, Annealed
Technique	en9 Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rods
Processing	Bar cutting to 650mm
Form	en9 Welding Rod, Round, Round Rod, Rings, Hollow, Rod, T-Bar, Channel Bar, Flat Bar, Square, Blocks, Precision Ground Bar, Triangle, Rectangle, Hex (A/F), Threaded, Ingot, I/H Bar, Half Round Bar, Profiles, Billet, Forging etc.

Chemical Compositions of Carbon SteelEN-9 Bars

Grade	Cr	C	Ni	Si	S	Mn	P	Mo
EN – 9	–	.50 – .60	–	.05 – .35	.040 MAX	.50 – .80	.040 MAX	–

Mechanical Properties of Carbon Steel EN-9 Bars

Heat Treatment	Condition Tons/SQ.inch	Tensile Stress RE MPA	RP0.2 MPA	A min on 5.65so	Impac		Hardness HB	Limited Ruling Section mm
					IZODFT.L.b	KCV Joules
Normalise	45	700	–	12	–	–	201-255	63
	39	600	–	13	–	–	170/223	250
R	45/55	700/850	385	14	–	–	201/277	100
S	50/60	775/925	450	14	–	–	223/277	63
T	55/65	850/1000	555	12	–	–	248/302	19

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Carbon Steel EN-9 Bars Types

Stockist of Carbon Steel EN-9 Round Bars in Al Jubail, Carbon Steel EN-9 Bars Supplier in Saudi Arabia, Carbon Steel EN-9 Rods Price List in Riyadh, Carbon Steel EN-9 Rectangular Bars Supplier in Al Jubail, Carbon Steel EN-9 Hexagonal Bars Exporter in Ras Al Khair, Carbon Steel EN-9 T-Bars Exporter in Saudi Arabia, Carbon Steel EN-9 Cold Rolled Rods Exporter in Jeddah, Carbon Steel EN-9 Round Bar Manufacturer in Dammam, Carbon Steel EN-9 Round Bars Distributor in Saudi Arabia, Carbon Steel EN-9 Polished Rods Dealer in Ras Al Khair

Equivalent Grades Carbon Steel EN-9 Bars

Standard	CS EN-9
UNS	–
WERKSTOFF NR.	CK55
BS	070M55
IS	C55
JIS	–
EN	EN9
SAE/AISI	1055

Frequently Asked Questions (FAQ)

What is Carbon Steel EN-9 used for?

Carbon Steel EN-9 is commonly used for manufacturing bolts, nuts, fasteners, and structural components in heavy-duty applications like automotive and construction industries.

What are the mechanical properties of Carbon Steel EN-9?

EN-9 offers excellent tensile strength, wear resistance, and hardenability, making it suitable for components subjected to mechanical stresses and heavy-duty environments.

Can Carbon Steel EN-9 be heat-treated?

Yes, Carbon Steel EN-9 can be heat-treated to enhance its hardness and strength, making it versatile for various engineering applications.

Carbon Steel EN-9 Bars Uses

* Gears, shafts, crankshafts, and connecting rods * Components for machine tools, sprockets, and pins * Automotive parts, particularly where strength and wear resistance are essential ([Steelmet Blog][1], [Shahnaz Bright Steel][5], [Odyssey Steel][6], [Hub of Steel][7]).

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