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Semi High Speed Steel Rolls
  • فکس: ۳۵۷۲۱۴۴۰-۰۳۱
  • ۰۳۱-۳۵۷۲۱۳۳۰ تلفن: ۳۵۷۲۰۳۳۰-۰۳۱


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Semi High Speed Steel Rolls(fa)

Semi High Speed Steel Rolls.

The microstructure consists of tempered martensite Chromium carbides and dispersion of fine secondary carbides.

These rolls have excellent thermal shock and wear resistance.

Semi High Speed Steel rolls mostly used for roughing and F1-F4 stands of Hot Strip Mills and finishing stands of small section mills and universal rings of section mills.

PDF

SSH72C -Tempered Martensite with

M7C3 and M23C6 Carbides.(x100)

SSH72C -Tempered Martensite with

M7C3 and M23C6 Carbides.(x400)

 

Chemical Composition and Mechanical Properties of Semi High Speed Steel Rolls

Roll

Grade

Barrels

Hardness

(ShC)

C

(%)

Si

(%)

Mn

(%)

Cr

(%)

Ni

(%)

Mo

(%)

W

(%)

V+Nb

(%)

Composition,

Hardness and

Properties of

Core Material

SS H 72 C

72

0.3-1.0

0.4-1.0

0.3-1.0

0.5-8.0

0.2-1.2

2.0-4.0

0.8-1.5

0.2-1

See core Material Info in link1

SS H 74 C

74

0.3-1.0

0.4-1.0

0.3-1.0

0.5-8.0

0.2-1.2

2.0-4.0

0.8-1.5

0.2-1

See core Material Info in link1

SS H 76 C

76

0.3-1.0

0.4-1.0

0.3-1.0

0.5-8.0

0.2-1.2

2.0-4.0

0.8-1.5

0.2-1

See core Material Info in link1

SS H 78 C

78

0.3-1.0

0.4-1.0

0.3-1.0

0.5-8.0

0.2-1.2

2.0-4.0

0.8-1.5

0.2-1

See core Material Info in link1

 

Note: On request, other roll grades not specified in the table can be produced.

 

 

 

 


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