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High speed steel roll

Metallographic organization for tempered martensite a small amount of bainite carbide, after comprehensive heat treatment, with high wear resistance, fatigue resistance, rolling steel when the red hardness and surface oxide film, more fully play the excellent wear resistance.

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Key words:

Alloy cast steel roll

Semi-steel roll

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Product Description

Chemical composition%

Code	C	Si	Mn	P	S	Ni	Cr	Mo	V	W
HSS	1.50-2.20	0.30-1.10	0.40-1.20	≤ 0.035	≤ 0.03	0.00-1.50	3.00-8.00	2.00-8.00	2.00-9.00	0.00-8.00

Performance and Application%

Code	Hardness
Code	Roll body	roll neck
HSS	75-95	35-45

Application: Composite high-speed steel rolls are widely used in hot-rolled strip steel finishing stand work rolls, high-speed wire rod mill pre-finishing stand and bar finishing pre-cutting, cutting and finished stand.

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