High Chromium Iron Rolls
High Chromium Iron Rolls
High Chromium Iron Rolls
High Chromium Iron Rolls
High Chromium Iron Rolls

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High Chromium Iron Rolls

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Model No. :
Brand Name : Zhengkun
Barrel Diameter: 1500mm Maximum : Unit Weight: 25mt Maximum
7yrs

Shijiazhuang, Hebei, China

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Product description

High Chromium Rolls

This type of rolls is High Chromium Centrifugal Duplex Rolls, produced from high alloy material, whose microstructure is bainite and chrome carbides, the core of the rolls is filled with spheroidal graphite cast iron.

Application: 
Work rolls, Vertical Rolls, Skin Pass Rolls for hot strip mills.


Chemical composition and hardness

Grade C Si Mn P S Cr Ni Mo Barrel Hardness(HSD)
HiCr I 2.30-3.30 0.30-1.00 0.50-1.20 ≤ 0.10
≤0.05
12.0-15.0 0.70-1.70 0.70-1.50 60-75
HiCr II 2.30-3.30
0.30-1.00 0.50-1.20
≤ 0.10
≤0.05
15.01-18.0 0.70-1.70 0.70-1.50 65-80
HiCr III 2.30-3.30
0.30-1.00
0.50-1.20
≤ 0.10
≤0.05
18.01-22.0
0.70-1.70 1.51-3.00

75-90

Neck Hardness: 32-45

Tensile Strength: 350N/mm2 min

High Cr Iron Rolls

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