High Speed Steel M42 Bars

Neith Metals, located in Cairo, Egypt, stands out as a top manufacturer and supplier of premium metal products and specialty alloys. One of their standout offerings is the High Speed Steel M42 Bars, which are celebrated for their remarkable wear resistance, hardness, and toughness. Crafted through cutting-edge metallurgical techniques and rigorous quality checks, these bars adhere to international performance and reliability standards. Catering to sectors like tooling, automotive, aerospace, and precision engineering, Neith Metals delivers robust High Speed Steel M42 Bars tailored for high-performance tasks, ensuring exceptional machining efficiency, enduring cutting performance, and dependable operation even in tough industrial settings.

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M42 Alloy High Speed Steel Bars

High Speed Steel M42 Round Rods

M42 Alloy High Speed Steel Bright Bars

What is High Speed Steel M42 Bars ?

High Speed Steel M42 Bars are high-alloy steels primarily made up of iron, featuring 1.1% carbon, 8.0% cobalt, 4.0% molybdenum, 1.0% chromium, and 0.8% vanadium. This unique blend grants them outstanding hardness, typically hovering around 64–66 HRC, and tensile strength between 1,800–2,000 MPa. With impressive wear resistance, red hardness, and toughness, M42 Bars keep their cutting efficiency even at high temperatures, making them perfect for heavy-duty cutting tools, drills, taps, and milling tasks in challenging machining environments.

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High Speed Steel M42 Bars Specifications

Standard : ASTM A600, ASME SA600
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
Form : Round
Diameter : 2mm to 100mm depending on grades
Length : 100 mm to 10,000 mm
Surface Condition : Black, Grinded, Turned Bright, Machined Proof
Application : Lathe Tools, Milling Cutter, Cutter Blades, Boring Tools, Twist drills, Milling Knives, Reamers, Taps, Metalcutting saws, Screw Cutting Tools, File Cutter’s Chissels, Drills, Hobs, Drill Bits, Tread cutting tools etc

Chemical Compositions of High Speed Steel M42 Bars

ASTM A600	C		Mn		P	S	Si		Cr		V		Mo		W		Co
M42	1.05	1.15	0.15	0.40	0.03	0.03	0.15	0.65	3.50	4.25	0.95	1.35	9.00	10.00	1.15	1.85	7.75	8.75
DIN ISO 4957	C		Mn		P	S	Si		Cr		V		Mo		W		Co
1.3247/HS2-9-1-8	1.05	1.15	…	…	…	…	…	0.70	3.50	4.50	0.90	1.30	9.00	10.00	1.20	1.90	7.50	8.50
JIS G4403	C		Mn		P	S	Si		Cr		V		Mo		W		Co
SKH59	1.05	1.15	…	0.40	0.03	0.03	…	0.70	3.50	4.50	0.90	1.30	9.00	10.00	1.20	1.90	7.50	8.50

Mechanical Properties of High Speed Steel M42 Bars

Mechanical Properties	Metric	Imperial
Hardness, Rockwell C (oil quenched from 1204°C, 5 minutes)	64.3	64.3
Hardness, Rockwell C (oil quenched from 1177°C, 5 minutes)	65.5	65.5
Hardness, Rockwell C(oil quenched from 1163°C)	65.8	65.8
Izod impact unnotched (oil quenched at 1191°C; 510°C temper temperature)	13.6 J	10.0 ft- lb
Izod impact unnotched (oil quenched at 1191°C; 622°C temper temperature)	24.4 J	24.4 J
Machinability (1% carbon steel)	35.0 – 40.0%	35.0 – 40.0%
Poisson’s ratio	0.27-0.30	0.27-0.30
Elastic modulus	190-210 GPa	27557-30457 ksi

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Equivalent Grades of High Speed Steel M42 Bars

Country	USA	German	Japan
Standard	ASTM A600	DIN EN ISO 4957	JIS G4403
Grades	M42	1.3247/HS2-9-1-8	SKH59

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High Speed Steel M42 Bars Types

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Frequently Asked Questions (FAQ)

Can High-speed Steel M42 Be Welded?

Yes, High-Speed Steel M42 can be welded, but it requires specialized techniques like preheating, post-weld heat treatment, and using appropriate filler materials to avoid cracking and maintain its properties.

Are High Speed Steel M42 Bars Recyclable?

Yes, High Speed Steel M42 bars are recyclable. They can be melted and reused in manufacturing, reducing waste and conserving resources, making them an environmentally friendly material choice.

How Should High-speed Steel M42 Bars Be Stored?

High-Speed Steel M42 bars should be stored in a dry, cool environment, protected from moisture and corrosion. Ensure they are placed on clean, stable surfaces to prevent damage and maintain quality.

High Speed Steel M42 Bars Uses

High Speed Steel M42 Bars find extensive use in industries that demand top-notch cutting performance, hardness, and wear resistance. They’re perfect for crafting cutting tools like drills, taps, milling cutters, reamers, and gear cutters. The automotive and aerospace sectors rely on M42 Bars for high-precision components that need to withstand heat and deliver long-lasting performance. Tooling and metalworking industries utilize these bars for heavy-duty machining, high-speed cutting, and the production of precision dies. Moreover, industrial manufacturing sectors depend on High Speed Steel M42 Bars to guarantee durability, operational efficiency, and consistent high performance in rigorous machining and engineering applications.

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