High Speed Steel T42 Bars

Luois Metals is a trusted name in the manufacturing and supply of High Speed Steel T42 Bars, proudly based in Houston, USA. We specialize in delivering top-notch tool steel bars that are perfectly crafted to handle the rigors of high-speed machining and cutting tasks. Renowned for their remarkable hardness and wear resistance, our T42 bars are produced under stringent industry standards and come in a variety of sizes and heat treatment options. We cater to sectors like automotive, aerospace, and general manufacturing, providing durable, precision-engineered materials that significantly boost tool life and performance.

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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 ?

The composition of High Speed Steel T42 Bars includes carbon, tungsten (around 18%), molybdenum, chromium, vanadium, and cobalt. This unique blend results in steel that boasts impressive hardness—reaching up to 65 HRC—and exceptional resistance to heat and wear. The T42 grade retains its strength and hardness even at high temperatures, making it an excellent choice for cutting tools that operate under extreme thermal conditions. Additionally, it strikes a great balance between toughness and machinability, ensuring the production of reliable, high-performance tooling components.

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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

T42 Bars find extensive use in crafting cutting tools like drills, milling cutters, taps, saw blades, and reamers. These bars are perfect for applications that demand high wear resistance and the ability to maintain sharpness at elevated speeds and temperatures. The toughness of the alloy also makes it ideal for tools that face heavy impact and stress. At Luois Metals, we offer High Speed Steel T42 Bars in custom sizes and heat-treated conditions tailored to meet specific machining and tooling requirements, guaranteeing consistent quality and peak performance.

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