Pearlitic Nodular Iron (SGP) Rolls for Tube Mill
We can provide the full ranges of rolls for the Bar & Wire mills, covering roughing rolls, intermediate rolls and finish
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Basic Info.
Model NO. | 84553000 |
Transport Package | Metal Pallet |
Specification | Various |
Trademark | CAMET |
Origin | China |
HS Code | 8455300000 |
Production Capacity | 8000 Tons Per Year |
Product Description
We can provide the full ranges of rolls for the Bar & Wire mills, covering roughing rolls, intermediate rolls and finishing rolls.Spheroidal graphite cast iron roll
Properties
Thanks to its higher content of Ni and Mo alloys, pearlite, basinite and martensite matrixes with excellent performance are produced. The graphite si spherical form, demonstraing good heat transfer property and high tensile strength. Through changing the struture into basinite of marensite matrix, chemical compostion of needly-like spherical iron of heat treatment, a dense reticular primary cementite with high wear-resistance is produced
Chemical Analysis
Designation of rolls | C | Si | Mn | P | S | Ni | Cr | Mo | Mg |
CrMo semi-chilled SG cast iron rolls | 2.9/3.6 | 0.8/2.5 | 0.4/1.2 | ≤0.25 | ≤0.03 | 0.2/0.6 | 0.2/0.6 | >0.04 | |
CrMo indefinite chilled SG cast iron rolls | 2.9/3.6 | 0.8/2.5 | 0.4/1.2 | ≤0.25 | ≤0.03 | 0.2/0.6 | 0.2/0.6 | >0.04 | |
NiCrMo indefinite chilled SG cast iron rolls (I) | 2.9/3.6 | 0.8/2.5 | 0.4/1.2 | ≤0.25 | ≤0.03 | 0.5/1.0 | 0.2/0.6 | 0.2/0.6 | >0.04 |
NiCrMo indefinite chilled SG cast iron rolls (II) | 2.9/3.6 | 0.8/2.5 | 0.4/1.2 | ≤0.25 | ≤0.03 | 1.0/2.0 | 0.3/1.2 | 0.2/0.8 | >0.04 |
Pearlitic nodular cast iron rolls (I) | 2.9/3.6 | 1.4/2.2 | 0.4/1.0 | ≤0.15 | ≤0.03 | 1.5/2.0 | 0.1/0.6 | 0.2/0.8 | >0.04 |
Pearlitic nodular cast iron rolls (II) | 2.9/3.6 | 1.2/2.0 | 0.4/1.0 | ≤0.15 | ≤0.03 | 2.0/2.5 | 0.2/1.0 | 0.2/0.8 | >0.04 |
Pearlitic nodular cast iron rolls (III) | 2.9/3.6 | 1.0/2.0 | 0.4/1.0 | ≤0.15 | ≤0.03 | 2.5/3.0 | 0.2/1.2 | 0.2/0.8 | >0.04 |
bainitic nodular cast iron rolls (I) | 2.9/3.6 | 1.2/2.2 | 0.2/0.8 | ≤0.10 | ≤0.03 | 3.0/3.5 | 0.2/1.0 | 0.5/1.0 | >0.04 |
bainitic nodular cast iron rolls (II) | 2.9/3.6 | 1.2/2.0 | 0.2/0.8 | ≤0.10 | ≤0.03 | 3.5/4.5 | 0.3/1.5 | 0.5/1.0 | >0.04 |
Physical Properties
Designation of rolls | Barrel hardness (HSD) | Neck hardness (HSD) | Tensile strength (MPa) |
CrMo semi-chilled SG cast iron rolls | 40~55 | 32~50 | >300 |
CrMo indefinite chilled SG cast iron rolls | 55~70 | 35~55 | >300 |
NiCrMo indefinite chilled SG cast iron rolls (I) | 48~70 | 35~55 | >320 |
NiCrMo indefinite chilled SG cast iron rolls (II) | 48~70 | 35~55 | >320 |
Pearlitic nodular cast iron rolls (I) | 45~55 | 35~55 | >450 |
Pearlitic nodular cast iron rolls (II) | 55~65 | 35~55 | >450 |
Pearlitic nodular cast iron rolls (III) | 62~72 | 35~55 | >450 |
bainitic nodular cast iron rolls (I) | 55~78 | 32~45 | >350 |
bainitic nodular cast iron rolls (II) | 60~80 | 32~45 | >350 |
Microstructure
Designation of rolls | Barrel hardness (HSD) | Neck hardness (HSD) | Tensile strength (MPa) |
CrMo semi-chilled SG cast iron rolls | 40~55 | 32~50 | >300 |
CrMo indefinite chilled SG cast iron rolls | 55~70 | 35~55 | >300 |
NiCrMo indefinite chilled SG cast iron rolls (I) | 48~70 | 35~55 | >320 |
NiCrMo indefinite chilled SG cast iron rolls (II) | 48~70 | 35~55 | >320 |
Pearlitic nodular cast iron rolls (I) | 45~55 | 35~55 | >450 |
Pearlitic nodular cast iron rolls (II) | 55~65 | 35~55 | >450 |
Pearlitic nodular cast iron rolls (III) | 62~72 | 35~55 | >450 |
bainitic nodular cast iron rolls (I) | 55~78 | 32~45 | >350 |
bainitic nodular cast iron rolls (II) | 60~80 | 32~45 | >350 |
Application
Designation of rolls | Application |
CrMo semi-chilled SG cast iron rolls | Section mill, bar mill, roughing stands of wire-rod mill, work roll of rail mill |
CrMo indefinite chilled SG cast iron rolls | Section mill, bar mill, intermediate and finishing stands of wire-rod mill |
NiCrMo indefinite chilled SG cast iron rolls (I) | Section mill, bar mill, intermediate and finishing stands of wire-rod mill |
NiCrMo indefinite chilled SG cast iron rolls (II) | Section mill, bar mill, intermediate and finishing stands of wire-rod mill |
Pearlitic nodular cast iron rolls (I) | roughing stands of bar mill and wire-rod mill |
Pearlitic nodular cast iron rolls (II) | roughing stands of bar mill and wire-rod mill |
Pearlitic nodular cast iron rolls (III) | roughing stands of bar mill and wire-rod mill |
bainitic nodular cast iron rolls (I) | roughing stands of bar mill and wire-rod mill |
bainitic nodular cast iron rolls (II) | roughing stands of bar mill and wire-rod mill |
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