FOR REQUIREMENT OF THIS GRADE
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Introduction
ASTM
A600-92a covers high-speed tool steels used for the manufacture of cutting
tools and wear-resistant components requiring exceptional hardness, red
hardness, wear resistance, and toughness. These alloy tool steels retain their
cutting ability at elevated temperatures generated during machining operations,
making them ideal for high-speed cutting applications.
ASTM A600
high-speed tool steels are widely used in drills, milling cutters, reamers,
taps, broaches, gear cutters, punches, dies, woodworking tools, metal-cutting
tools, and industrial wear components. The specification includes both
molybdenum-type and tungsten-type high-speed steels designed for demanding
machining and tooling applications.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A600-92a
high-speed tool steel products, supplying premium-quality tool steels for
industrial tooling, machining, and engineering applications worldwide.
Applicable Standard
Standard
Specification: ASTM A600-92a
Organization:
ASTM International
Title:
Standard Specification for Tool Steel High-Speed
This
specification covers wrought high-speed tool steels intended for the
manufacture of cutting tools and wear-resistant tooling components.
Forms of Supply
ASTM A600
high-speed tool steel is supplied in the following forms:
- Round bars
- Flat bars
- Square bars
- Tool steel plates
- Tool steel blocks
- Forged bars
- Forged blocks
- Rolled bars
- Bright bars
- Ground bars
- Peeled bars
- Annealed bars
- Precision machined blanks
- Saw-cut pieces
- Cut-to-size blocks
- Die steel blocks
- Tool steel forgings
- Customized machined components
Grades Covered Under ASTM A600-92a
- M1
- M2
- M3 Class 1
- M3 Class 2
- M4
- M7
- M10
- M15
- T1
- T2
- T4
- T5
- T6
- T8
- T15
- T42
Supply Condition
- Annealed
- Soft annealed
- Hot rolled
- Forged
- Ground
- Peeled
- Rough machined
- Pre-machined condition
Surface Finish
- Black finish
- Hot rolled finish
- Ground finish
- Bright finish
- Peeled finish
- Machined finish
- Polished finish
Standard Sizes
Round Bars
Diameter:
10 mm to 600 mm
Flat Bars
Thickness:
10 mm to 300 mm
Width: 20
mm to 1000 mm
Blocks
Thickness:
Up to 500 mm
Width: Up
to 1200 mm
Length:
Up to 6000 mm
Custom
dimensions are available according to customer requirements.
Chemical Composition of ASTM A600 High-Speed Tool Steel
Tungsten-Type High-Speed Steels
|
Grade |
Carbon
(%) |
Manganese
(%) |
Phosphorus
Max (%) |
Sulfur
Max (%) |
Silicon
(%) |
Chromium
(%) |
Vanadium
(%) |
Tungsten
(%) |
Molybdenum
(%) |
Cobalt
(%) |
|
T1 |
0.65–0.80 |
0.10–0.40 |
0.03 |
0.03 |
0.20–0.40 |
3.75–4.50 |
0.90–1.30 |
17.25–18.75 |
— |
— |
|
T2 |
0.80–0.90 |
0.20–0.40 |
0.03 |
0.03 |
0.20–0.40 |
3.75–4.50 |
1.80–2.40 |
17.50–19.00 |
— |
1.00 |
|
T4 |
0.70–0.80 |
0.10–0.40 |
0.03 |
0.03 |
0.20–0.40 |
3.75–4.50 |
0.80–1.20 |
17.50–19.00 |
0.40–1.00 |
4.25–5.75 |
|
T5 |
0.75–0.85 |
0.20–0.40 |
0.03 |
0.03 |
0.20–0.40 |
3.75–5.00 |
1.80–2.40 |
17.50–19.00 |
0.50–1.25 |
7.00–9.50 |
|
T6 |
0.75–0.85 |
0.20–0.40 |
0.03 |
0.03 |
0.20–0.40 |
4.00–4.75 |
1.50–2.10 |
18.50–21.00 |
0.40–1.00 |
11.00–13.00 |
|
T8 |
0.75–0.85 |
0.20–0.40 |
0.03 |
0.03 |
0.20–0.40 |
3.75–4.50 |
1.80–2.40 |
13.25–14.75 |
0.40–1.00 |
4.25–5.75 |
|
T15 |
1.50–1.60 |
0.15–0.40 |
0.03 |
0.03 |
0.15–0.40 |
3.75–5.00 |
4.50–5.25 |
11.75–13.00 |
— |
4.75–5.25 |
Molybdenum-Type High-Speed Steels
|
Grade |
Carbon
(%) |
Manganese
(%) |
Phosphorus
Max (%) |
Sulfur
Max (%) |
Silicon
(%) |
Chromium
(%) |
Vanadium
(%) |
Tungsten
(%) |
Molybdenum
(%) |
Cobalt
(%) |
|
M1 |
0.78–0.88 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.50 |
3.50–4.00 |
1.00–1.35 |
1.40–2.10 |
8.20–9.20 |
— |
|
M2 |
0.78–0.88 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
1.75–2.20 |
5.50–6.75 |
4.50–5.50 |
— |
|
M3 Class 1 |
1.00–1.10 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
2.25–2.75 |
5.00–6.75 |
4.75–6.50 |
— |
|
M3 Class 2 |
1.15–1.25 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
2.75–3.25 |
5.00–6.75 |
4.75–6.50 |
— |
|
M4 |
1.25–1.40 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.75 |
3.75–4.50 |
5.25–6.50 |
4.25–5.50 |
— |
|
M6 |
0.75–0.85 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
1.30–1.70 |
3.75–4.75 |
4.50–5.50 |
11.00–13.00 |
|
M7 |
0.97–1.05 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.55 |
3.50–4.00 |
1.75–2.25 |
1.40–2.10 |
8.20–9.20 |
— |
|
M10 |
0.84–0.94 |
0.10–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
1.80–2.20 |
— |
7.75–8.50 |
— |
|
M30 |
0.95–1.05 |
0.10–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
1.80–2.20 |
— |
7.75–8.50 |
— |
|
M33 |
0.75–0.85 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.50–4.25 |
1.00–1.40 |
1.30–2.30 |
7.75–9.00 |
4.50–5.50 |
|
M34 |
0.85–0.92 |
0.15–0.40 |
0.03 |
0.03 |
0.15–0.50 |
3.50–4.00 |
1.00–1.35 |
1.30–2.10 |
9.00–10.00 |
7.75–8.75 |
|
M36 |
0.80–0.90 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.75–4.50 |
1.75–2.25 |
5.50–6.50 |
4.50–5.50 |
7.75–8.75 |
|
M41 |
1.05–1.15 |
0.20–0.60 |
0.03 |
0.03 |
0.15–0.50 |
3.75–4.50 |
1.75–2.25 |
6.25–7.00 |
3.25–4.25 |
4.75–5.75 |
|
M42 |
1.05–1.15 |
0.15–0.40 |
0.03 |
0.03 |
0.15–0.65 |
3.50–4.25 |
0.95–1.35 |
1.15–1.85 |
9.00–10.00 |
7.75–8.75 |
|
M43 |
1.15–1.25 |
0.20–0.40 |
0.03 |
0.03 |
0.15–0.65 |
3.50–4.25 |
1.50–1.75 |
2.25–3.00 |
7.50–8.50 |
7.75–8.75 |
|
M44 |
1.10–1.20 |
0.20–0.40 |
0.03 |
0.03 |
0.30–0.55 |
4.00–4.75 |
1.85–2.20 |
5.00–5.75 |
6.00–7.00 |
11.00–12.25 |
|
M46 |
1.22–1.30 |
0.20–0.40 |
0.03 |
0.03 |
0.30–0.65 |
3.70–4.20 |
3.00–3.30 |
1.90–2.20 |
8.00–8.50 |
7.80–8.80 |
|
M47 |
1.05–1.15 |
0.15–0.40 |
0.03 |
0.03 |
0.20–0.45 |
3.50–4.00 |
1.15–1.35 |
1.30–1.80 |
9.25–10.00 |
4.75–5.25 |
|
M48 |
1.42–1.52 |
0.15–0.40 |
0.03 |
0.07 |
0.15–0.40 |
3.50–4.00 |
2.75–3.25 |
9.50–10.50 |
4.75–5.50 |
8.00–10.00 |
|
M62 |
1.25–1.35 |
0.15–0.40 |
0.03 |
0.07 |
0.15–0.40 |
3.50–4.00 |
1.80–2.10 |
5.75–6.50 |
10.00–11.00 |
— |
Intermediate High-Speed Steels
|
Grade |
Carbon
(%) |
Manganese
(%) |
Phosphorus
Max (%) |
Sulfur
Max (%) |
Silicon
(%) |
Chromium
(%) |
Vanadium
(%) |
Tungsten
(%) |
Molybdenum
(%) |
Cobalt
(%) |
|
M50 |
0.78–0.88 |
0.15–0.45 |
0.03 |
0.03 |
0.20–0.60 |
3.75–4.50 |
0.80–1.25 |
— |
3.90–4.75 |
— |
|
M52 |
0.85–0.95 |
0.15–0.45 |
0.03 |
0.03 |
0.20–0.60 |
3.50–4.30 |
1.65–2.25 |
0.75–1.50 |
4.00–4.90 |
— |
Key Features of ASTM A600 High-Speed Tool Steel
- Exceptional wear resistance
- Excellent red hardness
- High hot hardness
- Superior cutting performance
- Good toughness
- Excellent edge retention
- High compressive strength
- Suitable for high-speed machining
- Long tool life
- Excellent dimensional stability
Applications of ASTM A600 High-Speed Tool Steel
Cutting Tool Industry
- Twist drills
- End mills
- Milling cutters
- Reamers
- Broaches
Metalworking Industry
- Gear cutters
- Thread rolling tools
- Shaper cutters
- Slotting tools
- Form tools
Die and Tool Industry
- Punches
- Precision dies
- Trimming tools
- Shearing tools
Woodworking Industry
- Router bits
- Saw blades
- Planer knives
- Cutting tools
Industrial Manufacturing
- Wear-resistant components
- Precision tooling
- Machining tools
- Production tooling
Machining and Fabrication
ASTM A600
tool steels are generally machined in the annealed condition.
- Good machinability before hardening
- Suitable for grinding operations
- Excellent dimensional stability
after heat treatment
- Capable of maintaining sharp
cutting edges
- Suitable for precision tooling
manufacture
Heat Treatment
High-speed
tool steels achieve their properties through controlled heat treatment.
- Annealing improves machinability
- Preheating reduces thermal shock
- Hardening develops maximum hardness
- Tempering improves toughness
- Multiple tempering cycles optimize
performance
Heat
treatment parameters vary depending on the specific grade and application
requirements.
Advantages of ASTM A600 High-Speed Tool Steel
- High cutting efficiency
- Excellent heat resistance
- Long service life
- Reduced tool replacement costs
- Superior wear resistance
- Excellent hardness retention
- Reliable machining performance
- Suitable for demanding cutting
applications
- Excellent productivity in
manufacturing
- Cost-effective tooling solution
Conclusion
ASTM
A600-92a high-speed tool steels, including M1, M2, M3 Class 1, M3 Class 2, M4,
M7, M10, M15, T1, T2, T4, T5, T6, T8, T15, and T42 grades, are premium tooling
materials developed for high-speed cutting and wear-resistant applications.
Their exceptional hardness, red hardness, wear resistance, and cutting
performance make them ideal for drills, milling cutters, reamers, broaches,
punches, dies, and precision tooling applications.
Ladhani Metal Corporation
supplies ASTM A600-92a high-speed tool steel bars, flats, blocks, and forgings
in various grades and dimensions, providing reliable tooling solutions for
industrial manufacturing, machining, and engineering applications worldwide.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
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