Carbon Steel EN-9 Bars

Chuck Metals is a reliable manufacturer and supplier of high-strength carbon steels based in Singapore, Pulau Ujong. They offer durable and precision-machined Carbon Steel EN-9 Bars, perfect for engineering, automotive, and industrial applications. EN-9 is well-regarded for its impressive wear resistance and toughness, making it a medium carbon steel that’s ideal for components that need greater strength and better surface hardness compared to mild steel. Chuck Metals provides EN-9 bars in a variety of sizes and finishes, all in line with international standards. With fast delivery, quality assurance, and expert support, Chuck Metals has become a trusted partner for customers seeking dependable carbon steel solutions.

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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 ?

Typically, Carbon Steel EN-9 Bars contain about 0.50–0.60% carbon, 0.50–0.80% manganese, with the remainder being iron. This blend gives it a tensile strength of around 600–800 MPa along with good wear resistance. EN-9 can be hardened through heat treatment to enhance its strength and surface hardness, while still keeping decent machinability and toughness. The material is usually supplied in a normalized or rolled state and can be flame or induction hardened for extra durability. It strikes a great balance between cost, performance, and workability, making it suitable for medium-duty mechanical applications.

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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 Singapore, Carbon Steel EN-9 Bars Supplier in Singapore, Carbon Steel EN-9 Rods Price List in Singapore, Carbon Steel EN-9 Rectangular Bars Supplier in Singapore, Carbon Steel EN-9 Hexagonal Bars Exporter in Sengkang, Carbon Steel EN-9 T-Bars Exporter in Singapore, Carbon Steel EN-9 Cold Rolled Rods Exporter in Singapore, Carbon Steel EN-9 Round Bar Manufacturer in Queenstown, Carbon Steel EN-9 Round Bars Distributor in Singapore, Carbon Steel EN-9 Polished Rods Dealer in Sengkang

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

Carbon Steel EN-9 Bars Uses

You’ll find Carbon Steel EN-9 Bars commonly used in the production of shafts, axles, gears, spindles, crankshafts, keys, bolts, and other stressed machine components. In the automotive and general engineering sectors, EN-9 is favored for its strength, wear resistance, and ability to handle impact loads. It’s also utilized in agricultural machinery, toolholders, and heavy-duty fasteners. Thanks to its hardenability and machining properties, EN-9 is a great choice for both simple and moderately complex components where strength and fatigue resistance are crucial.

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