DIN1.3207 high speed tool steel, high speed steels for metal-cutting tools, Dia: 2-400mm

Application

High-carbon, high-speed steel grade based on Mo, with high resistance to wear, red hardness and toughness. This steel grade displays good grind ability as a result of its low V content. Tools severe mechanical wear, e.g. in cases of small cross-section cuts and high cutting speeds. Particularly suitable for die-sinking cutters and one-lip cutters, and for tool bits in automatic lathes. Also suitable for non-cutting applications, e.g. cold extrusion rams, and for tools for machining aircraft materials, such as titanium alloys, etc.

Steel Grade:

DIN- 1.3207%

Similar grade: AISI-M42

Delivery Condition:

Size available

Round and Square Bar: 2mm -400mm

Flat: thickness:0.6-250mm, width:30-810mm

Length Random Length, Fixed Length, etc.

Anneal temperature: 860-880

Relief annealing temperature: 720-760

Hardening temperature: 1160-1190

Hardening medium: salt bath under 600,aslo use oil cooling or air cooling

Normal temper temperature: 540-560
RC Rockwell Hardness after hardening and temper: 66-68

Characteristic:High performance tungsten-molybdenum high speed steel, Excellent performance of hardness, red hardness, thermoplasticity, machinability. Only weak in toughness

High Speed Steel got hardness method: 1. Salt bath hardening or vacuum hardening 2. the temperature 1180-1200°C, if need high hardness add 10°C 3. in the temperature 560°C, tempering more than 3 times. The most important: control hardening temperature and time.

Marking: Heat No. will be cold stamped and Steel grade, diameter mm, length mm, and the manufacturer LOGO and weight kg is painted.

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