Description
Product description
ICDP Work Rolls for hot strip mill
1. Chemical Composition (%) & Hardness of Body
Chemical Analysis| Designation of rolls | C | Si | Mn | P | S | Ni | Cr | Mo | V | W | Nb | | CrMo indefinite chilled cast iron rolls | 2.9/3.6 | 0.6/1.2 | 0.4/1.2 | ≤0.2 | ≤0.1 | | 0.6/1.2 | 0.2/0.6 | | | | | NiCrMo indefinite chilled cast iron rolls (I) | 2.9/3.6 | 0.6/1.2 | 0.4/1.2 | ≤0.2 | ≤0.1 | 0.5/1.0 | 0.7/1.2 | 0.2/0.6 | | | | | NiCrMo indefinite chilled cast iron rolls (II) | 2.9/3.6 | 0.6/1.2 | 0.4/1.2 | ≤0.2 | ≤0.1 | 1.0/2.0 | 0.7/1.2 | 0.2/0.6 | | | | | NiCrMo indefinite chilled cast iron rolls (III) | 2.9/3.6 | 0.6/1.2 | 0.4/1.2 | ≤0.2 | ≤0.1 | 2.0/3.0 | 0.7/1.2 | 0.2/1.0 | | | | | NiCrMo indefinite chilled cast iron rolls (IV) | 2.9/3.6 | 0.6/1.5 | 0.4/1.2 | ≤0.1 | ≤0.05 | 3.0/4.8 | 1.0/2.0 | 0.2/1.0 | | | | | NiCrMo indefinite chilled cast iron rolls (V) | 2.9/3.6 | 0.6/1.5 | 0.4/1.2 | ≤0.1 | ≤0.05 | 3.0/4.8 | 1.0/2.0 | 0.2/2.0 | 0.2/2.0 | 0/2.0 | 0/2.0 |
Physical Properties| Designation of rolls | Barrel hardness (HSD) | Neck hardness (HSD) | Tensile strength (MPa) | | CrMo indefinite chilled cast iron rolls | 55~70 | 35~55 | >160 | | NiCrMo indefinite chilled cast iron rolls (I) | 60~72 | 35~55 | >160 | | NiCrMo indefinite chilled cast iron rolls (II) | 62~72 | 35~55 | >160 | | NiCrMo indefinite chilled cast iron rolls (III) | 65~75 | 35~55 | >350 | | NiCrMo indefinite chilled cast iron rolls (IV) | 70~83 | 35~55 | >350 | | NiCrMo indefinite chilled cast iron rolls (V) | 77~85 | 35~55 | >350 |
Microstructure| Designation of rolls | Microstructure | | CrMo indefinite chilled cast iron rolls | Pearlite + cementite + small percentage graphite | | NiCrMo indefinite chilled cast iron rolls (I) | Pearlite + cementite + small percentage graphite | | NiCrMo indefinite chilled cast iron rolls (II) | Fine pearlite + cementite + small percentage graphite | | NiCrMo indefinite chilled cast iron rolls (III) | Sorbite + cementite + small percentage graphite | | NiCrMo indefinite chilled cast iron rolls (IV) | Sorbite + cementite + small percentage graphite | | NiCrMo indefinite chilled cast iron rolls (V) | Tempered martensite + small percentage bainite + cementite + small percentage graphite |
Application| Designation of rolls | Application | | CrMo indefinite chilled cast iron rolls | Section mill, bar mill, intermediate and finishing stands of wire-rod mill | | NiCrMo indefinite chilled cast iron rolls (I) | Section mill, bar mill, intermediate and finishing stands of wire-rod mill | | NiCrMo indefinite chilled cast iron rolls (II) | Section mill, bar mill, intermediate and finishing stands of wire-rod mill | | NiCrMo indefinite chilled cast iron rolls (III) | Section mill, bar mill, intermediate and finishing stands of wire-rod mill, tube stretch reducing mill | | NiCrMo indefinite chilled cast iron rolls (IV) | Work roll for finishing stands of hot strip mill, Intermediate plate mill, tempered mill | | NiCrMo indefinite chilled cast iron rolls (V) | Work roll for finishing stands of hot strip mill, Intermediate plate mill, tempered mill |
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material:4130, 4140, 4317, 4142, 4340, UNS440, 34CrNi3Mo, 25Cr2Ni4MoV, 18CrNiMo5, 30CrMo, 9Cr2Mo, 9Cr2W, 9Cr3Mo, 60CrMoV etc.ApplicationThey are mainly applied to hot&cold rolling mill work rolls, back-up rolls. Adamite roll or high speed steel roll used in the early finishing stands of a lot strip mills.Company profile
Sennier Machinery Technology Development Co., Ltd. is located in industrial circle of Huangli Town, Wujin District, Changzhou City, Jiangsu Province. Our company was founded in 2010, formerly a professional roller rocessing factory, now has more than 100 sets of smelting, casting, heat treatment, processing and inspection equipment, including more than 20 sets of casting and heat treatment equipment, more than 80 sets of inspection and processing equipment.
Our annual output of rolls and metallurgical accessories is more than 8000 tons.
Our main products are alloy cast iron roll, cast steel roll, forging shaft, alloy straightening roller ring and so on.
Our company has formulated strict operating rules and excellent process procedures, from raw materials to finished products have strict size and quality inspection.
We adhere to the concept of customer first, the pursuit of higher precision and higher quality product production, welcome your consultation and cooperation.
Workshop display
Certificate
Packing&Shipping
FAQ
Q: Do you have large amount of steel products in stock?
A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 5000 tons.
Q: How long is the delivery time?
A: Generally it is within 10 days. If the goods is not in stock , according to the quantity it is within 30 days.
Q: Do you provide the samples? Free or Extra?
A: The cost of the samples is according to the value.The cost of the freight is necessary.
Q: How to order?
A: Buyer sends the enquiry --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery.
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