High Speed Steel T15 Bars

Starc Metals, located in Canberra, Australia, is a top-notch manufacturer and supplier of high-quality metallurgical products, with a special focus on high-performance tool steels. One of their standout offerings is the High Speed Steel (HSS) T15 Bars, known for their incredible hardness, wear resistance, and durability even in the toughest machining conditions. These bars are crafted for precision engineering and industrial use, adhering to strict quality standards to guarantee consistent performance and reliability. By blending advanced production methods with thorough testing protocols, Starc Metals has earned a reputation as a trusted partner for industries that require premium HSS T15 Bars for cutting tools, drills, and high-speed machining tasks.

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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 High Speed Steel T15 Bars are alloyed with about 1.5% carbon, 18% tungsten, 4% chromium, and 5% cobalt, which gives them superior hardness and wear resistance. The cobalt addition boosts their red-hardness, allowing the steel to keep its cutting edge strength even at high temperatures. T15 HSS bars showcase high tensile strength, remarkable toughness, and excellent compressive strength, making them perfect for demanding machining applications. After heat treatment, their hardness typically falls between 63–66 HRC, providing impressive durability, dimensional stability, and resistance to deformation during high-speed cutting and heavy-duty industrial tasks.

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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

These High Speed Steel T15 Bars are commonly used in the production of cutting tools like drills, milling cutters, taps, and reamers, where high hardness and wear resistance are essential. They excel in high-speed machining of tough metals such as stainless steel and alloyed steels. Moreover, T15 bars are utilized in precision engineering, automotive, aerospace, and metalworking sectors. Their outstanding red-hardness helps them maintain sharp edges even under extreme temperatures, making them ideal for continuous production processes. With exceptional toughness and durability, they truly stand out in the industry.

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