
Chilled Cast Iron Rolls for Indefinite Chilled Double Poured Cast Iron ICDP mill Rolls
Chemical Composition
Roll name | C | Si | Mn | P | S | Ni | Cr | Mo |
Cr-Mo infinite chilled cast iron roll | 3.20~3.70 | 0.80`1.20 | 0.60~1.00 | ≤0.20 | ≤0.10 | / | 0.60~1.20 | 0.20~0.60 |
Ni-Cr-Mo infinite chilled cast iron roll(I) | 3.20~3.70 | 0.80`1.20 | 0.60~1.00 | ≤0.20 | ≤0.10 | 0.50~1.00 | 0.70~1.20 | 0.20~0.60 |
Ni-Cr-Mo infinite chilled cast iron roll(II) | 3.20~3.70 | 0.60~1.00 | 0.60~1.00 | ≤0.20 | ≤0.10 | 1.01~2.00 | 0.70~1.20 | 0.20~0.60 |
Ni-Cr-Mo infinite chilled cast iron roll(III) | 3.20~3.70 | 0.60~1.00 | 0.60~1.00 | ≤0.20 | ≤0.10 | 2.01~3.00 | 0.70~1.20 | 0.20~0.6 |
Physical Properties
Roll name | Roll-body hardness HSD | Roll-neck hardness HSD | Tensile strength Mpa |
Cr-Mo infinite chilled cast iron roll | 55~70 | 35~55 | >160 |
Ni-Cr-Mo infinite chilled cast iron roll(I) | 60~72 | 35~55 | >160 |
Ni-Cr-Mo infinite chilled cast iron roll(II) | 62~72 | 35~55 | >160 |
Ni-Cr-Mo infinite chilled cast iron roll(III) | 65~75 | 35~55 | >160 |
Roll name | Metallurgical structure |
Cr-Mo infinite chilled cast iron roll | Pearlite + cementite + a little graphite |
Ni-Cr-Mo infinite chilled cast iron roll(I) | Pearlite + cementite + a little graphite |
Ni-Cr-Mo infinite chilled cast iron roll(II) | Fine pearlite + cementite + a small amount of graphite |
Ni-Cr-Mo infinite chilled cast iron roll(III) | Type body + cementite + a small amount of graphite |
Indefinite Chilled cast iron roll for rolling mill
For the finishing stands of continuous rolling mill of strip and bar, the pre-finishing stands of high speed wire, the intermediate and the front of finishing stands of small section, also utilized in thin plate and straightening roll.
Grade | Hardness(HSD) | C | Si | Mn | Ni | Cr | Mo |
Indefinite-I | 60-70 | 3.0/3.5 | 0.5/1.0 | 0.5/1.0 | 0.5/1.0 | 0.5/1.0 | 0.2/0.6 |
Indefinite-II | 62-72 | 3.0/3.5 | 0.5/1.0 | 0.5/1.0 | 1.0/2.0 | 0.5/1.0 | 0.2/0.6 |
Indefinite-III | 65-75 | 3.0/3.5 | 0.5/1.0 | 0.5/1.0 | 2.0/3.0 | 0.7/1.2 | 0.2/0.6 |
Indefinite-IV | 70-85 | 3.0/3.5 | 0.5/1.0 | 0.5/1.0 | 3.0/5.0 | 1.0/2.0 | 0.2/0.6 |
Hardness of shell | HSD60-85 |
Hardness of neck | HSD35-48 |
Tensile Strength of core | ≥450Mpa |
BEIJING SINO STEEL ENGINEERING & EQUIPMENT CO., LTD.
Beijing Sino Steel Engineering & Equipment Co., Ltd. is concentrating on developing of ferrous & non-ferrous making and Rolling technology, mainly.
As one of the most experienced Chinese suppliers of complete line and components for steel and non-ferrous industries, Beijing Sino Steel Engineering & Equipment Co., Ltd. is engaged in design, manufacturing, engineering and service activities on word-wide basis.
Overseas Partners (Office):
India, Indonesia, Malaysia, Thailand, Korea, Turkey, UAE, Qatar, Iran, Saudi Arabia, Kuwait, Germany, France, Canada, USA, Brazil, Etc.
MAIN SCOPE SUPPLY:
EPS Project Line:
EAF, LF, Continuous Casting Machine, Preheating Furnace, Hot Rolling Mill Line, Cold Rolling Line, Centrifugal Casting Line, Slitting Line,Cut-to-length Line, Cleaning Line, Pickling Line, Coating line, Levelling line, Billet grinding line ETC.
Components & Parts:
Mill stand, Coiler, Uncoiler, Gearbox, Leveller, Copper Mould Tube, Copper Mould Plate, Water Jacket, Water Cooled Cable, Forged Rolls, Casting Rolls, Roll Shell, Roll Core,Bearing, Universal Shaft, Lathe, ETC.