High Speed Steel T42 Bars

Starc Metals, located in Canberra, Australia, stands out as a top manufacturer and supplier of high-quality metals, with a special focus on High Speed Steel (HSS) products like T42 bars. Renowned for their precision, durability, and performance, Starc Metals guarantees that each T42 bar adheres to strict quality standards, making them perfect for demanding industrial applications. With a strong commitment to excellence and customer satisfaction, the company caters to a diverse array of industries that require high-performance cutting and machining tools. Their High Speed Steel T42 bars are designed to provide outstanding wear resistance, toughness, and thermal stability, making them the go-to choice for professional toolmakers and manufacturers.

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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 crafted from a molybdenum-based HSS grade, featuring about 0.7% carbon, 4% chromium, 2% vanadium, and 6% molybdenum. This carefully balanced composition results in remarkable hardness, wear resistance, and toughness. Typically, T42 bars boast a tensile strength of around 2800–3000 MPa and can reach hardness levels of 64 HRC after proper heat treatment. The steel retains its cutting edge even at high temperatures, making it ideal for high-speed machining tasks. Its impressive blend of mechanical properties ensures durability, dimensional stability, and long-lasting performance in heavy-duty industrial settings.

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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 production of cutting tools, such as drills, taps, milling cutters, and reamers, thanks to their exceptional hardness and heat resistance. They excel in precision machining for both ferrous and non-ferrous metals. Industries like automotive, aerospace, tool-making, and engineering depend on T42 bars to create tools that maintain sharp edges during high-speed operations. Furthermore, these bars are also employed in the manufacturing of dies, punches, and other wear-resistant components. Their toughness, wear resistance, and thermal stability make them essential for various industrial applications.

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