High Speed Steel T42 Bars

Aung Metals, a prominent manufacturer and supplier located in Naypyidaw, Myanmar, is known for crafting top-notch High Speed Steel (HSS) T42 Bars that stand out for their remarkable hardness, wear resistance, and toughness. By employing cutting-edge manufacturing techniques and rigorous quality control measures, Aung Metals guarantees that each T42 Bar adheres to international standards, ensuring dependable performance in challenging industrial and machining environments. Celebrated for their ability to maintain cutting efficiency even at high temperatures, HSS T42 Bars are perfect for tool-making, drilling, and various cutting tasks. Aung Metals delivers precision-engineered steel solutions that blend durability, high performance, and long-lasting efficiency for essential industrial applications.

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T42 Alloy High Speed Steel Bar

HSS T42 Bars

High Speed Steel T42 Round Rod

What is High Speed Steel T42 Bars ?

High Speed Steel T42 Bars are mainly made up of iron, containing about 0.8–1.0% carbon, 3–4% cobalt, 3.75–4.5% chromium, 1.5–2% molybdenum, and 6–7% tungsten. This unique blend gives them outstanding hardness, wear resistance, and red hardness, making them suitable for high-speed cutting tools. In terms of mechanics, T42 steel boasts a tensile strength of 1100–1400 MPa, hardness ranging from 63 to 66 HRC, and impressive toughness. The material maintains its strength even at elevated temperatures, shows excellent fatigue resistance, and offers great machinability and grindability, making it ideal for precision tooling applications.

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High Speed Steel T42 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 T42 Bars

Aisi No.	Work No.	C.	Si.	Mn.	Cr.	Mo.	V.	W.	Co.
T-42	1.3207	1.28	0.23	0.20	4.15	3.55	3.25	9.5	10.0

Mechanical Properties of High Speed Steel T42 Bars

Density	2.79 g/cm³
Melting Point	640 °C
Proof Stress	270 MPa
Tensile Strength	405 Min MPa
Elongation	12 Min %

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Equivalent Grades of High Speed Steel T42 Bars

Bohler	AISI	BS	IS	JIS	DIN
S 700	T42	BT42	XT125WCo10 CrMo4V3	SKH-57	(1.3207)

Thermal Properties of High Speed Steel T42 Bars

Thermal Expansion	23.10 x10^-6 /K
Modulus of Elasticity	73 GPa
Thermal Conductivity	121-193 W/m.K

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High Speed Steel T42 Bars Types

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Frequently Asked Questions (FAQ)

Can T42 Alloy High Speed Steel Bars Be Heat Treated?

Yes, T42 Alloy High-Speed Steel Bars can be heat treated. They are typically hardened through heat treatment processes like quenching and tempering to enhance hardness, wear resistance, and performance.

Can High Speed Steel T42 Bars Be Welded?

Welding T42 High-Speed Steel Bars is challenging due to their high carbon content and hardness. If welding is required, preheating and post-weld heat treatment are often necessary to prevent cracking and ensure strength.

How Should High-speed Steel T42 Bars Be Stored?

T42 High-Speed Steel Bars should be stored in a dry, cool environment to prevent rust and corrosion. They should be kept off the ground, ideally on wooden or plastic pallets, and protected from moisture and extreme temperatures.

High Speed Steel T42 Bars Uses

High Speed Steel T42 Bars are extensively utilized in the cutting tool, machining, and manufacturing sectors due to their exceptional hardness, wear resistance, and heat resistance. Common applications include drills, taps, milling cutters, gear cutters, reamers, and other precision cutting tools. They are also used in high-speed machining operations where maintaining hardness and dimensional stability at high temperatures is crucial. T42 Bars deliver long-lasting performance, high precision, and operational reliability, making them perfect for producing components in industrial, automotive, aerospace, and tooling sectors that demand durability and efficiency.

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