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Seamless Tube Rolling Mill Roll
| Price | $2000.00 |
|---|---|
| Min Order | 1 Piece |
| Availability | In Stock |
| Shipping From | Beijing, China |
| Popularity | 349 people viewed |
Model NO.:
Seamless tube rolling mill roll
Customized:
Customized
Condition:
New
Type:
Steel Rolling Equipment
Certification:
ISO
Casting Method:
Centrifugal and Static Cast
Barrel Hardness:
45-72hsd
Core Hardness:
33-55hsd
Weight:
0.1-20tons
Trademark:
CAMET
Transport Package:
Steel Rack
Specification:
ISO
Origin:
China
Product Description
Seamless tube rolling mill 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
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
Physical Properties
Microstructure
Application
| 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 | Microstructure |
| CrMo semi-chilled SG cast iron rolls | Pearlite + cementite + SG + small percentage fermite |
| CrMo indefinite chilled SG cast iron rolls | Pearlite + cementite + SG |
| NiCrMo indefinite chilled SG cast iron rolls (I) | Pearlite + cementite + SG |
| NiCrMo indefinite chilled SG cast iron rolls (II) | Fine pearlite + cementite + SG |
| Pearlitic nodular cast iron rolls (I) | pearlite + cementite + small percentage fermite |
| Pearlitic nodular cast iron rolls (II) | pearlite + cementite + small percentage fermite |
| Pearlitic nodular cast iron rolls (III) | pearlite + cementite + small percentage fermite |
| bainitic nodular cast iron rolls (I) | bainite + cementite + SG |
| bainitic nodular cast iron rolls (II) | bainite + cementite + SG |
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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