Leon Roll China co.,ltd

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Mon to Fri :8:30-24:00
Sat to Sun :9:00-17:00
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Tel:+8615161556495
TS support:support@lrcroll.com
Inquiry:inquiry@lrcroll.com
Please CC to:LRCSELL@GMAIL.COM
Engineer:FAE_Tony@lrcroll.com
Address::Wujin,Changzhou
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Product Detail
Alloy steel rolls
Code : 580315
Series : roll mill
Spec : dia250-1000
Material : steel
Color : steel
Brand : China
Model : cast steel
Dollar/KG :
1.70
Original : 0.00
Detail
Review(0)

Alloy cast steel roll is made of top-grade molten steel by arc furnace and advanced casting and technology of heating processing with high intensity, excellent thermal cracking resistance, toughness and abrasive resistance, applicable to rough and medium roll of profile steel, rough mill of hot rolled strip steel and supporting roll of hot rolled strip steel. Metallographic structure of roll is made of pearlite or tempered sorbite system.

Chemical composition

Mark
C
Si
Mn
Cr
Ni
Mo
AS60A(60CrNiMnMo)
0.55-0.65
0.20-0.60
0.60-2.00
1.40-2.20
≤0.60
0.30-0.60
AS70A(70Mn2)
0.65-0.75
0.20-0.45
1.40-1.80



AS70B(70Mn2Mo)
0.65-0.75
0.20-0.45
1.40-1.80
-

0.20-0.45
AS75(75CrMo)
0.70-0.80
0.20-0.45
0.60-0.90
0.75-1.00
-
0.20-0.60
AS75A(75CrNiMo)
0.70-0.80
0.20-0.70
0.70-1.10
0.80-1.50
0.20-0.80
0.20-0.60
AS75B(75Cr3NiMo)
0.70-0.80
0.20-0.60
0.70-1.10
1.50-3.60
0.40-1.00
0.20-0.80
Chemical Composition
Mark
Hardness(HS)
Tensile strength(Mpa)
Elongation Coefficient(%)
Purpose
AS60A
45-55
>700
>8
Rough roll for cogging process of large profile steel with requirement to toughness and abrasive resistance
AS70A
34-44
>680
>7

Rough milling machine for medium and small profile steel, rod and wire materials, rough roll and vertical roll for hot rolled strip steel

AS70B
36-46
>680
>7
AS75
36-46
>680
>6
AS75A
35-55
>800
>7
AS75B
40-60
>800
>7
Cogging and rough milling, support roll for hot rolled steel