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Spheroidal Graphite Cast Alloy Iron Rolls For Steel Billet Rolling Mill

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Spheroidal Graphite Cast Alloy Iron Rolls For Steel Billet Rolling Mill

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Brand Name :	SEEC
Model Number :	Rolling mill
Certification :	ISO
Delivery Time :	3-6months

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Spheroidal Graphite Cast Alloy Iron Rolls For Steel Billet Rolling Mill

Chilled Cast Iron Rolls Spheroidal Graphite Chilled Cast Iron

Product Description

The graphic steel roll has similar features and usage to semi-steel adamite roll.

Standard includes ISO, GB, ASTM, DIN, JIS.

Application

two-high strip mills machine, medium plate reversible rolling mill, roughing mill rack, blooming mill, steel billet rolling mill, high speed wire rod roughing mill bar, frame.

Chemical Composition

Steel specification	C	Si	Mn	P	S	Ni	Cr	Mo
ZuS140SiCrNiMo	1.30~1.50	1.30~1.60	0.50~0.80	≤0.035	≤0.030	0.20~0.60	0.40~0.70	0.20~0.50
ZuS150SiCrNiMo	1.40~1.60	1.00~1.40	0.60~1.00	≤0.035	≤0.030	0.35~1.00	0.60~1.00	0.20~0.50
ZuS160SiCrNiMo	1.50~1.70	1.00~1.40	0.60~1.00	≤0.035	≤0.030	0.50~1.50	0.60~1.60	0.20~0.50
ZuS170SiCrNiMo	1.60~1.80	1.00~1.40	0.60~1.00	≤0.035	≤0.030	0.80~2.00	0.60~2.00	0.20~0.50

Physical Properties

Steel specification	Roll-body hardness HSD	Tensile strength Mpa
ZuS140SiCrNiMo	36~46	≥660
ZuS150SiCrNiMo	40~50	≥600
ZuS160SiCrNiMo	42~52	≥550
ZuS170SiCrNiMo	45~55	≥550

Metallographic Structure

The metallurgical structure of roll-body work layer is: Pearlite + carbide or fine pearlite + a little bainite + carbide

Specifications

1.Alloy Indefinite Chilled
2.Small hardness gradient
3.Suit to medium and finish stand for bar, wire
4.For bar and rod mills

Alloy indefinite chilled cast iron roll is a cast iron with fine intercrystalline graphite evenly distributed throughout the working layer of roll barrel. The sizes, shapes and distributions of graphite and carbide are controlled by the chilling effect and the contents of alloy elements. The addition of alloy elements such as manganese, nickel, chromium, and molybdenum chages the matrix microstructure from pearlite, bainite to martensite.

This roll has small hardness gradient in the working layer of roll barrel and is suitable to medium and finishing stands for bar, wire and section mills.

Spheroidal Graphite Cast Alloy Iron Rolls For Steel Billet Rolling Mill

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