High Speed Steel T15 Bars

Hemi Metals, from its home in Hamilton, New Zealand, is a trusted source for top-tier industrial materials, including our premier High Speed Steel T15 bars. We understand that exceptional performance starts with exceptional raw materials. That’s why we take pride in supplying these specialised bars, known for their outstanding ability to withstand intense heat and wear, to workshops and manufacturers who demand the very best cutting and machining tools for their most challenging applications.

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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 strength of T15 comes from its unique composition, rich with tungsten, vanadium, and cobalt. This specific blend gives it an extraordinary resistance to softening even when exposed to the high temperatures generated during demanding cutting operations. The result is a bar stock with exceptional hardness, incredible wear resistance, and the ability to maintain a sharp cutting edge far longer than other high-speed steels, ensuring your tools perform reliably under extreme pressure.

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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

You’ll find HSS T15 bars at the heart of the most demanding cutting tools, where their superior red-hardness is non-negotiable. They are expertly fashioned into broaches, intricate gear cutters, end mills, and high-production lathe tools. These tools excel in machining tough materials like high-strength alloys, stainless steel, and heat-resistant superalloys, making them indispensable in aerospace, heavy machining, and tool and die shops where pushing the limits is part of the daily routine.

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