Carbon Steel EN-45 Bars

Chung Metal is a leading manufacturer of Carbon Steel EN-45 Bars in Da Nang, Vietnam. Reputed for having excellent spring properties, EN-45 showcases great resilience and resistance to fatigue. Chung Metal applies accurate metallurgical processing to create bars with exemplary elasticity and strength. Bars from Chung Metal are perfect for components subject to cyclic loading or bending. Having a sound reputation for quality control, Chung Metal makes it a point to ensure that each EN-45 bar complies with international mechanical and chemical standards, which assure secure solutions for motor vehicle and engineering applications.

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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 ?

EN-45 has 0.50–0.55% carbon, 0.70–1.0% manganese, 0.70–1.0% silicon, and 0.50–0.80% chromium. The alloy possesses tensile strength 800–950 MPa, yield 550 MPa, and elongation approximately 15–20%. It exhibits excellent elasticity, toughness, and fatigue strength following suitable heat treatment, and thus finds application in spring and shock-absorbing parts.

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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

Stockist of Carbon Steel EN-45 Round Bars in Sapa, Carbon Steel EN-45 Bars Supplier in Vietnam, Carbon Steel EN-45 Rods Price List in Da Nang, Carbon Steel EN-45 Rectangular Bars Supplier in Sapa, Carbon Steel EN-45 Hexagonal Bars Exporter in Hue, Carbon Steel EN-45 T-Bars Exporter in Vietnam, Carbon Steel EN-45 Cold Rolled Rods Exporter in Hanoi, Carbon Steel EN-45 Round Bar Manufacturer in Hai Phong, Carbon Steel EN-45 Round Bars Distributor in Vietnam, Carbon Steel EN-45 Polished Rods Dealer in Hue

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

EN-45 bars are employed in car leaf springs, coil springs, and other dynamically stressed parts. They exhibit consistent performance under repeated stressing, with durability and flexibility ensured. Chung Metal’s EN-45 bars are also utilized in railway, agricultural, and automotive manufacturing industries for resilient components which need long-term stability.

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