High Speed Steel T15 Bars

Luois Metals is a trusted name in the manufacturing and supply of High Speed Steel T15 Bars in Houston, USA. They take pride in providing premium quality tool steel designed to excel in the most demanding cutting applications. HSS T15 is a remarkable tungsten-based, cobalt-bearing high-speed steel known for its superior hot hardness, excellent wear resistance, and outstanding edge retention. It’s widely regarded as a “super high-speed steel” due to its ability to withstand heavy cutting loads and elevated temperatures. Luois Metals ensures precision manufacturing and adherence to international quality standards, making T15 bars a preferred choice in tooling, aerospace, automotive, and engineering industries.

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T15 Alloy High Speed Steel Bright Bars

High Speed Steel T15 Round Rods

T15 Alloy High Speed Steel Bars

What is High Speed Steel T15 Bars ?

The composition of High Speed Steel T15 Bars includes carbon, tungsten, cobalt, chromium, vanadium, and molybdenum, offering a well-balanced combination of hardness and toughness. The high tungsten content provides superior hardness and red hardness, while cobalt enhances cutting performance even under extreme heat. Vanadium improves wear resistance and edge stability, ensuring long tool life. These bars exhibit excellent tensile strength, high compressive strength, and remarkable resistance to thermal softening. With the ability to maintain hardness up to 67 HRC, T15 bars are ideal for high-speed, high-stress machining operations.

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High Speed Steel T15 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 T15 Bars

ASTM A600	C	Si	Mn	Cr	Mo	P	S	V	W	Co
T15	1.50～1.60	0.15～0.40	0.15～0.40	3.75～5.00	≤1.00	≤0.030	≤0.030	4.50～5.25	11.75～13.0	4.75～5.25
DIN W-Nr	C	Si	Mn	Cr	Mo	P	S	V	W	Co
1.3202	1.30～1.45	≤0.45	≤0.40	3.80～4.50	0.70～1.00	≤0.030	≤0.030	3.50～4.00	11.50～12.50	4.50～5.00
GB/T	C	Si	Mn	Cr	Mo	P	S	V	W	Co
W12Cr4V5Co5	1.50～1.60	0.15～0.40	0.15～0.40	3.75～5.00	＜1.00	≤0.030	≤0.030	4.50～5.25	11.75～13.00	4.75～5.25
BS	C	Si	Mn	Cr	Mo	P	S	V	W	Co
BT15	1.40～1.60	≤0.40	≤0.40	4.25～5.00	≤1.00	≤0.030	≤0.030	4.75～5.25	12.0～13.0	4.50～5.50
JIS	C	Si	Mn	Cr	Mo	P	S	V	W	Co
SKH10	1.45～1.60	≤0.45	≤0.40	3.80～4.50	–	≤0.030	≤0.030	4.20～5.20	11.50～13.50	4.20～5.20

Mechanical Properties of High Speed Steel T15 Bars

Density	0.296 lb/in3 (8193 kg/m3)
Modulus Of Elasticity	30 x 106 psi (207 GPa)
Machinability	40-45% of a 1% carbon steel
Specific Gravity	8.19

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Equivalent Grades of High Speed Steel T15 Bars

AISI/ASTM	Werkstoff	EN/DIN	BS	JIS/KS
T15	1.3202	S12-1-4-5	BT15	SKH10

Heat Treating of High Speed Steel T15 Round Bars

Annealing	Preheat	Austenitizing	Quench	Tempering
Temp °F	Temp °F	Temp °F	Medium	Temp °F
1550/1600	1500/1550	2200/2250	Salt/Oil/Atm	1025/1050

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High Speed Steel T15 Bars Types

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Frequently Asked Questions (FAQ)

How Are High Speed Steel T15 Bars Sized?

High-Speed Steel T15 bars are sized by their diameter and length, typically ranging from small diameters for precision tools to larger sizes for heavy-duty applications, tailored to customer specifications.

Are High Speed Steel T15 Bars Recyclable?

Yes, High-Speed Steel T15 bars are recyclable. They can be melted down and repurposed into new products, making them an environmentally friendly option for sustainable manufacturing and reducing material waste.

How Should High-speed Steel T15 Bars Be Stored?

High-speed Steel T15 bars should be stored in a dry, cool environment, away from moisture and extreme temperatures. They should be kept on racks or pallets to prevent rust and damage.

High Speed Steel T15 Bars Uses

High Speed Steel T15 Bars are extensively used in industries that demand tools capable of delivering consistent performance under heavy-duty conditions. They are employed in the manufacturing of drills, reamers, taps, gear cutters, broaches, and milling cutters where long service life and precision are essential. The aerospace and automotive industries rely on these bars for machining tough alloys and high-strength materials. Engineering applications include punches, dies, and form tools used in continuous and high-speed production. With their exceptional wear resistance, hot hardness, and durability, T15 bars are indispensable in advanced machining and manufacturing operations.

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