High Speed Steel T42 Bars

Anucha Metals is a prominent manufacturer, supplier, and exporter of **High Speed Steel T42 bars** in Bangkok, Thailand. With great emphasis on precision, quality, and durability, the company offers T42-grade HSS bars meeting very high industry standards. Renowned for high cutting performance and long tool life, the bars are extensively utilized by manufacturers and toolmakers in the automotive, aerospace, and heavy engineering industries. Anucha Metals provides constant supply, competitive pricing, and dependable technical service, making them an ideal partner for clients in Thailand and worldwide who require high-quality tool steel solutions.

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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** consist of about 1.25% carbon, 9% tungsten, 1.25% molybdenum, 3.8% vanadium, 4.0% cobalt, and 4.0% chromium. The incorporation of cobalt provides increased hot hardness, so the steel will be able to continue cutting efficiently at high temperatures. T42 provides exceptional wear resistance, high red hardness, and excellent edge retention. Mechanically, it has high compressive strength and toughness, allowing it to be used in complex, high-speed cutting operations. The steel is capable of high load-bearing and thermal stress capability, and hence it is a choice in demanding tool-making operations with a requirement of performance and reliability.

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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 widely applied to produce precision cutting tools like drills, end mills, reamers, taps, and form tools. The high red hardness and wear resistance of the alloy make it suitable for machining hardened steels, superalloys, and other hard materials. T42 is particularly preferred in aerospace, automotive, and die-making applications where tool performance and durability are paramount. Such bars are also employed in high-speed production where thermal fatigue and edge breakage are prevalent. Their hardness retention property under harsh cutting conditions makes T42 a top pick for challenging metal cutting and forming applications.

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