Carbon Steel EN-45 Bars

Chuck Metals, located in Singapore on Pulau Ujong, is a reliable manufacturer and supplier of top-quality metal products that meet the needs of industries around the globe. One of their standout offerings is the Carbon Steel EN-45 Bars, which are celebrated for their exceptional resilience, wear resistance, and toughness, even in the harshest conditions. These bars are crafted using cutting-edge metallurgical techniques and adhere to strict quality standards, making them a go-to choice in sectors that demand high strength and durability. Chuck Metals prides itself on blending precision engineering with a customer-centric approach, ensuring that every EN-45 Bar delivered meets stringent specifications and performance criteria, making them a trusted option for clients both locally and internationally.

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Carbon Steel EN-45 Round Bars

Carbon Steel EN-45 Hex Bars

Carbon Steel EN-45 Series Rods

What is Carbon Steel EN-45 Series Bars ?

Carbon Steel EN-45 Bars are classified as medium carbon, high-silicon spring steels, renowned for their impressive tensile strength and outstanding fatigue resistance. Typically, they contain around 0.50–0.60% carbon, 0.50–1.00% silicon, along with trace amounts of manganese and chromium. With a tensile strength ranging from 700–950 MPa, these bars are perfect for dynamic and impact-loaded applications. Their hardness and elasticity are enhanced through heat treatment, which is vital for tasks that involve repeated stress. EN-45 Bars maintain their structural integrity under heavy loads and are easy to machine and shape. They comply with BS and EN standards, ensuring consistent performance and metallurgical reliability.

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Carbon Steel EN-45 Bars Specifications

Grade	EN45
Specification	BS970 1.0904 55Si7 55S6 55Si2Mn ASTM 9255
Round bar size	Diameter: 3-~800mm
Hex Bar size	2-100mm A/F
Flat bar size	Thickness: 2 -100mm
Flat bar size	Width: 10 to 500mm
Square bar size	4 to 100mm
Angle bar size	3mm20mm20mm~12mm100mm100mm
Section	3.0 to 12.0mm thickness
Channel Bar	80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Hollow Bar	32mm OD x 16mm ID to 250mm OD x 200mm ID)
Billet Size	1/2″ to 495mm Diameter
Rectangles Size	33 x 30mm to 295 x 1066mm
Finish	Cold (bright) drawn, centreless ground,smooth turned, peeled, slit rolled edge, hot rolled, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Tolerance	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Surface	Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Condition	Hardened & tempered, annealed
Technique	EN45 Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Processing	Bar cutting to 650mm
Form	EN45 Welding Rod, Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.
Our EN45 round bar conforms to NACE MR0175/ISO 15156

Chemical Compositions of Carbon Steel EN-45 Bars

Element	En42J
C	0.75 – 0.90%
Mn	0.50 – 0.90%
Si	0/1 – 0.35
S	0.04% Max
P	0.04% Max

Mechanical Properties of Carbon Steel EN-45 Bars

ULTIMATE TENSILE STRENGTH, S. (MPA)	621
Modulus of elasticity, E (Gpa)	204
Fatigue strength coefficient, of (Mpa)	948
Fatigue strength exponent, b	-0.092
Fatigue ductility coeffient ,ef	0.26
Fatigue ductility exponent,c	-0.445

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Carbon Steel EN-45 Bars Types

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size chart Carbon Steel EN-45 Bars

Type	SIZES (mm)	SIZES (Inches)	ISO Tolerance
Cold Drawn and Polish	3.00 – 75.00	1/8″ – 3.00″	h8-h9-h10-h11
Cold Drawn and Ground	10.00 – 75.00	5/6″ – 2.50″	h8-h9-h10-h11
Peeled and Polished	40.00 – 150.00	1.50″ – 6.00″	h11, h11-DIN 1013
Peeled and Ground	20.00 – 50.00	3/4″ – 2.00″	h9-h10-h11

Frequently Asked Questions (FAQ)

What are the main uses of Carbon Steel EN-45 Bars and Rods?

EN-45 Bars and Rods are primarily used in automotive components like springs, shafts, and crankshafts, as well as in engineering tools and machinery parts requiring high strength and wear resistance.

What are the mechanical properties of EN-45 Bars and Rods?

EN-45 Bars and Rods offer excellent tensile strength (700-900 MPa), yield strength (450-600 MPa), and toughness, making them ideal for high-stress applications.

Can Carbon Steel EN-45 Bars and Rods be customized?

Yes, we offer customized Carbon Steel EN-45 Bars and Rods in various sizes and specifications to meet specific application needs.

Carbon Steel EN-45 Bars Uses

These Carbon Steel EN-45 Bars find extensive use in industries that require high-performance materials with excellent spring and fatigue characteristics. In the automotive industry, they are commonly used to manufacture leaf springs, suspension components, and high-load shafts. In agriculture, they play a crucial role in producing tools, harrow blades, and plough components. Additionally, these bars are ideal for creating industrial springs, wear-resistant parts, and forging applications. Their toughness, flexibility, and fatigue resistance make them perfect for demanding mechanical applications. EN-45 Bars from Chuck Metals are truly a reliable choice for various heavy-duty needs.

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