Guangzhou Changfeng Steel Co., LTD
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Hot Rolled High Speed Tool Steel Plate 1.3243 / M35 For Cutters
Introduction:
Grade 1.3243 / M2 steel is a general purpose molybdenum high speed steel.
M2 steel is characterized by balanced combination of abrasion resistance, toughness and good red hardness. Due to its comparatively low carbon content, M2 steel has an excellent combination of toughness properties and abrasion resistance when properly hardened and tempered.
M2 steel is used in a wide used for all kinds of cutting tool, knife and punch and die applications.
Similar grades: DIN-1.3243, AISI-M35, JIS-SKH35, GB-W6MoCr4V2Co5
Chemical composition(%):
| C | Si | Mn | S | P | Cr | Ni | Cu | V | Mo | W | Co |
| 0.80-0.90 | 0.20-0.45 | 0.15-0.40 | ≤0.030 | ≤0.030 | 3.75-4.50 | ≤0.30 | ≤0.25 | 1.75-2.25 | 4.50-5.50 | 5.50-6.50 | 4.50-5.50 |
Features:
(1), For tungsten molybdenum containing cobalt high speed steel, improve the red hardness and high temperature hardness;
(2), Improved wear resistance, good machinability, but lower strength and impact toughness, easy oxidation decarburization;
(3), Commonly used for gear cutting tools, milling tools and tools such as punch, cutter for cutting hard material.
Heat treatment:
| Quenching | Tempering | ||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Cooling way | Hardness (HRC) |
| 1190-1230 | Oil or Air Cooling | ≥64 | 550-580 | Air Cooling | ≥60 |
Applications:
(1) Has good machinability, but lower strength and impact toughness;
(2) Easy oxidation decarburization, commonly used for gear cutting tools, milling tools and tools such as punch,
(3) Cutter for cutting hard material.
Mechanical property:hardness:≥64HRC
Delivery status:hot rolled,forged,annealed;
Surface conditions: black surface, rough turning, peeling, polishing;
Delivery hardness: ≤285HB; annealed ≤269HB quenching: 730～840℃.
Our main products:
1. Plastic mould steel: S50C, S45C, 1.2311, 1.2312, 1.2083, 1.2738
2. Hot work mould steel: H13/1.2344/SKD61
3. Cold work mould steel: D2/1.2379/SKD11; D3/1.2080/SKD1
4. Alloy steel: SAE4140/1.7225/SCM440; SAE5140/1.7035/SCr440
5. High speed steel: M2/1.3343, T1/1.3355, M35/1.3243, M42/1.3247
About us:
Our company have introduced large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advance equipments, we can export our products by wholesales and retail sales, whole plate or strip is available. All our products can meet the standards of DIN, AISI, JIS and GB, all the material should be inspected the ultrasonic, hardness and others strict inspection process before the shipment.
We can provide below service:
A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc.
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc.
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