High Speed Steel T42 Bars

Brian Fasteners supplies High Speed Steel T42 Bars from Houston, USA. T42 offers excellent high-temperature hardness and wear resistance, making it ideal for high-speed cutting. Manufactured through vacuum induction melting and hot-rolling, these bars maintain strict dimensional control and metallurgical consistency. T42 supports the production of drills, milling cutters, and end mills. With customized sizing, quick lead times, and technical advice, Brian Fasteners helps toolmakers achieve durable, heat-resistant cutting performance in industrial settings.

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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 ?

HSS T42 contains about 1.0% carbon, 18% tungsten, 4% chromium, 2% vanadium, and 6% molybdenum. After heat treatment, it achieves tensile strengths of 2,300 to 2,700 MPa, yield strengths of 1,900 to 2,300 MPa, and hardness reaching 67 HRC. Its excellent red hardness performance up to 650 °C and wear resistance make it suitable for extended high-speed tool 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

T42 bars are used in high-performance end mills, drills, taps, and broaches, especially in the aerospace and die-making industries. They provide high-speed, high-temperature cutting capabilities. Their superior wear resistance benefits steel milling and long-life tooling. Brian Fasteners supplies T42 bars for high-performance cutting tool manufacturing, ensuring precision, hardness, and durability in production environments.

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