High Speed Steel T42 Bars

Dhruv Metals, situated in Hyderabad, India, is a well-known producer and supplier of high–quality High-Speed Steel T42 Bars. Known for its emphasis on innovation and quality, the company provides high-performing metal solutions that suit industries demanding superior cutting precision and tooling. The T42 bars supplied by Dhruv Metals are designed to offer superior hardness, wear properties, and thermal stability, making them perfect for demanding applications. Common in the aerospace, automotive, and manufacturing industries, these bars provide maximum tool performance, extended service life, and dependable consistency—compliant with the most stringent industrial demands and customer satisfaction levels.

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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 1.40–1.60% Carbon, 12.0–14.0% Tungsten, 4.0–5.0% Chromium, 1.5–2.0% Vanadium, and 0.3–0.6% Molybdenum, with traces of Cobalt and Silicon. This state-of-the-art alloy composition provides superior hardness, up to 70 HRC after heat treatment. It has high red hardness, very good wear resistance, and better thermal stability, and therefore it is extremely suitable for high-speed tooling. T42 bars also have very good toughness and thermal fatigue resistance, providing reliable performance in both high-heat and high-load conditions commonly found in precision industrial use.

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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 used very heavily in the manufacturing of cutting tools that demand very high hardness, heat resistance, and long-lasting durability. They are suited for the production of drill bits, milling cutters, taps, reamers, saw blades, and other precision components that need to hold sharpness under high-speed operation. T42 steel is also employed in the production of dies, punches, tool inserts, and forming tools for aerospace, automotive, and metalworking industries. These bars are renowned for their stability to heat and capability to retain cutting edge integrity, thereby becoming a first choice for critical tooling applications of high performance in various industries.

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