High Speed Steel T42 Bars

From the heart of Hamilton, New Zealand, Hemi Metals stands as a dedicated manufacturer and supplier of premium industrial materials. We take particular pride in our High Speed Steel T42 Bars, a product born from local expertise and a commitment to quality. Crafted for professionals who demand exceptional performance, our T42 bars are engineered to tackle the most demanding machining and cutting tasks, providing the durability and reliability that New Zealand’s industries have trusted for years.

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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 exceptional strength of T42 stems from its sophisticated composition, which includes a high percentage of tungsten, along with cobalt, vanadium, and chromium. This unique alloy recipe is carefully balanced to deliver outstanding mechanical properties, including exceptional red-hardness. This means the bar retains its cutting edge and formidable strength even when exposed to the intense heat generated during high-speed operations, resisting wear and deformation under extreme pressure.

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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

The primary use for these bars is in the creation of high-performance cutting tools, where their ability to withstand heat is invaluable. Machinists rely on tools made from T42 for milling cutters, drills, and lathe tools that work on tough materials like stainless steel. Beyond cutting, its durability makes it an excellent choice for heavy-duty forming tools, punches, and dies that must endure repetitive, high-impact stresses in manufacturing environments, ensuring long-lasting performance.

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