AISI M7 DIN1.3348 High Speed Steel Foged and Hot Rolled Round Bar Flat

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Stainless Steel Scrap
• Technique: Hot Rolled
• Shape: Bar
• Surface Treatment: Black/Milled/Machined
• Model NO.: round bar
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Tool Steel Bar
• Transport Package: Wooden
• Specification: 6-400mm
• Trademark: Smooth
• Origin: China
• HS Code: 7214100000
• Production Capacity: 5000 Ton/Year

Product Description

AISI M7 DIN1.3348 high speed steel :
M7 High-Speed Steel is a type of high-alloy tool steel known for its exceptional hardness, wear resistance, and thermal conductivity. It is widely used in the manufacturing industry for the production of cutting tools, such as drills, end mills, and taps, as well as for various machining applications where high-speed operation is required.

Chemical Composition:

C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Mo(%)	V(%)	W(%)
0.97-1.05	0.20-0.45	0.15-0.40	≤0.30	≤0.30	3.75-4.00	8.20-9.20	1.75-2.25	1.40-2.10

Properties:
High hardness: M7 steel exhibits excellent hardness, allowing it to retain a sharp cutting edge even under high-speed machining conditions.
Wear resistance: The alloying elements in M7 contribute to its wear resistance, making it suitable for prolonged cutting operations.
Thermal conductivity: M7 has good thermal conductivity, which helps dissipate heat generated during machining, prolonging tool life.
Toughness: While primarily known for its hardness, M7 also possesses good toughness, reducing the risk of tool breakage during use.

Applications:
M7 High-Speed Steel finds applications in various industries, including:
Metalworking: Used for cutting, drilling, and milling operations in the production of automotive parts, aerospace components, and machine tools.
Woodworking: Employed for cutting and shaping wood, including in the production of furniture and cabinetry.
Plastic machining: Suitable for machining thermoplastics and thermosetting plastics in the manufacturing of injection molds and extrusion dies.

Microstructure:
The microstructure of M7 High-Speed Steel typically consists of tempered martensite with finely dispersed carbides. This microstructure contributes to the steel's hardness and wear resistance.

Tool Performance:
Tools made from M7 High-Speed Steel offer superior performance in high-speed machining applications, delivering precise cuts with minimal tool wear. They are capable of maintaining their cutting edge even when subjected to high temperatures and heavy loads.

Precision Machining:
M7 steel is well-suited for precision machining operations where tight tolerances and high surface finish are required. It enables the production of accurate and intricate components with minimal dimensional variation.

Tool Maintenance:
Proper maintenance of tools made from M7 High-Speed Steel is essential to ensure optimal performance and longevity. This includes regular inspection for wear and damage, as well as timely regrinding or replacement of worn-out tools.

Industry Standards:
M7 High-Speed Steel conforms to various international standards, such as ASTM A600 for high-speed tool steels and ISO 4957 for tool steels. Compliance with these standards ensures consistent quality and performance of M7 steel products.

Cost Efficiency:
Despite its higher initial cost compared to conventional tool steels, M7 High-Speed Steel offers long-term cost efficiency due to its superior performance and extended tool life. It helps reduce machining downtime and tool replacement costs, ultimately improving overall productivity.

Environmental Considerations:
Manufacturers of M7 High-Speed Steel often implement environmentally friendly practices in their production processes, such as recycling of metal scraps and optimizing energy usage to minimize environmental impact.

End-of-Life Recycling:
At the end of their service life, tools made from M7 High-Speed Steel can be recycled through metal recycling programs, contributing to resource conservation and sustainability.