Resistance of a High-Chromium Cast Iron for Rolls Zhi-hongGuo,1,2 Fu-renXiao,1 Su-lingLu,2 Han-yunLi,3 andBoLiao1 ... outside surface of the 1045 steel sleeve as the roll sleeve,
Since the high-chromium cast iron base has excellent oxidation resistance, the oxide layer on the base part is very thin (Fig. 13), and it is difficult to observe the oxidation state inside the oxide layer directly.Therefore, the sample is chamfered by the processing method shown in Fig. 1 to enlarge the observation area of the oxide layer. As shown in Fig. 1 (a), by …
As a leading manufacturer, LMM GROUP deliver high-performance work rolls designed to withstand extreme conditions. Our rigorous quality control processes guarantee superior …
The microstructure and mechanical properties of high chromium white cast iron with composition: 2,6÷3,4% C; 0,9÷1,1% Si; 0,8÷1,1% Mn; 1,0÷1,3% Mo; 12,3÷13,4% Cr, additionally doped with boron ...
Huzhou Zhonghang Roll Co., Ltd. is professional China Bainitic Nodular Cast Iron Rolls Manufacturers and Bainitic Nodular Cast Iron Rolls factory.The company's predecessor was Cangnan County Roller Factory in Zhejiang Province, which was founded in 1992, and obtained the batch of roll production licenses issued by the former Ministry of Metallurgy in 1996.
Description: These rolls are spun cast with a highly alloyed cast iron shell consisting of nickel, molybdenum, chromium and other elements. The core material can be grey cast iron with flake graphite or spheroidal graphite cast iron depending on the mill requirement for neck strength. Manufacturing process: centrifugal casting. Hardness: 65-85 HS
High chromium white cast iron is used in mining, crushing and cement plants as mill liners and it is subjected to extreme conditions of wear and impact that cause failure, reduction in life and ...
Huzhou Zhonghang Roll Co., Ltd. is China high chrome cast iron rolls manufacturers and high chrome cast iron rolls factory, offer custom high chrome cast iron roll (HCr).
Suzhou Meigang Engineering Technology Co., Ltd is China custom High Chromium Cast Iron Rolls suppliers and High Chromium Cast Iron Rolls manufacturers. The centrifugal composite …
Huzhou Zhonghang Roll Co., Ltd. is professional China High Chrome Cast Iron Rolls Manufacturers and High Chrome Cast Iron Rolls factory.The company's predecessor was Cangnan County Roller Factory in Zhejiang Province, which was founded in 1992, and obtained the batch of roll production licenses issued by the former Ministry of Metallurgy in 1996.
High chromium steel roll is produced by centrifugal compound casting technology, with more than 12% Cr content for the shell's material and high strength nodular cast iron for the core. The …
High chromium steel roll is produced by centrifugal compound casting technology, with more than 12% Cr content for the shell's material and high strength nodular cast iron for the core. The outer microstructure is martensitic matrix which …
High chromium cast iron centrifugal roll. Application: Work rolls in the front section of finish rolling, work rolls in wide and medium plate mills. Details ★ Focus on one-stop service for steel industry (EPC project, raw material, equipments supply). Products exported to 39 countries & areas.
LMM chill iron rolls have an excellent combination of metallurgical and physical properties with uniform and stable hardness ensuring the highest quality of cold-rolled strip and efficient performance characteristics (resistance to wear, thermal shocks, fatigue contact cracks).Chilled cast iron rolls are mainly suitable for Section mill、bar mill、intermediate and finishing stands …
Rolls used for hot sheet metal rolling on continuous rolling mills are divided according to their position (stand) in the rolling mill [3]. For initial roughing stand, ISSN 0543-5846 METABK 57(4) 279-282 (2018) UDC – UDK 669.14.26-621.771:621.78:620.18::338.45.982=111 high chromium iron rolls (HCI), high chromium steel
The company covers an area of 100,000 square meters, including two complete production lines for cast rolls and forged steel rolls, processing workshops, product research and development centers, testing centers, training centers and office buildings and other supporting facilities.
2.1. High-chromium white cast iron characteristics High-chromium white cast irons are ferrous alloys containing 11-30% Cr and 1.8-3.6% C along with variable amounts of molybdenum, manganese, copper and nickel [1]. The standard procedure most commonly used for the classification of this kind of cast iron alloy is ASTM A532-10 (2014).
Meet the largest specification of casting roll Φ1400X4600X9000. Strictly control the uniformity of furnace temperature to ensure the consistency of roll hardness. To meet various precision and …
Alloy infinite chilled cast iron rolls are a new generation of high-tech roll products developed by LMM after years of technical research. ... Due to the addition of alloy elements such as manganese, chromium, nickel, and molybdenum, the matrix structure can change from pearlite and bainite to martensite.
2.4. Wear characteristics of high-chromium white cast iron. High chromium white cast iron alloys have a relatively good wear resistance when compared to other metallic materials, but the level of resistance varies according to the type of matrix microstructure and the volumetric fraction of the primary carbides in the alloy [14-16].
China Iron Rolls wholesale - Select 2024 high quality Iron Rolls products in best price from certified Chinese Work Roll manufacturers, Rice Mill Machine suppliers, wholesalers and factory on Made-in-China ... Hot Working Die Steel/High Strength Alloy Nodular/Spheroidal Graphite Pearlite/High Chromium/Bainitic Nodular/Alloy Indefinite ...
★ Focus on one-stop service for steel industry (EPC project, raw material, equipments supply). Products exported to 39 countries & areas. World famous customer: AricelorMittal, Tata Steel, SAIL, ESSAR Steel, etc.
of high-chromium iron roll in compact strip production MILL§ Arthita Dey*, Arvind Jha,Us Goel, Tanmay Bhttacharyya, Sandip Bhattacharyya Tata Steel Limited, Jamshedpur 831 001, India 1 ...
A high chromium (HiCr) iron work roll broke in three pieces in finishing stand 4 in a compact strip production (CSP) mill of a steel company. This roll breakage was examined by means of visual inspection, analysis of the mill process data, and chemical and microscopic analysis of a sample from the spheroidal graphite (SG) iron roll core.
Whether you require a standard or custom work roll, our superior manufacturing process always results in superior rolls for your leveling equipment, unsurpassed strength, and reliability, LMM …
chilled iron rolls LMM GROUP provides world-class quality mill rolls designed for your specific applications. Get In Touch Alloy indefinite chilled cast iron rolls See More CrMo indefinite chilled cast iron rolls Barrel hardness(HSD): 50-70, Tensile strength(Mpa): ＞160 Details NICrMo indefinite chilled cast iron rolls（Ⅰ） Barrel hardness(HSD): 55-72, Tensile strength(Mpa): …
The high-temperature oxidation resistance of as-cast and heat-treated specimens of a high-chromium white cast iron for hot mill work rolls was investigated by gravimetric means under isothermal ...
Most of the investigations on high-chromium work roll oxidation have been focused on studying the oxidation resistance of commercial work rolls alloys [9] [10] [11], the effect of alloying ...
Pearlitic ductile cast iron rolls (Ⅰ) SGPⅠ. Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand. Pearlitic ductile cast iron rolls (Ⅱ) SGPⅡ. Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand. Pearlitic ductile cast iron rolls (Ⅲ) SGPⅢ
1. Introduction. High-chromium cast iron (HCCI), as excellent wear-resistant material, has been widely used for hot rolling working roller since the end of the last century [1 – 4].The exceptional wear resistance of HCCIs is attributed primarily to the high volume fraction of hard eutectic chromium carbides [5, 6].The high volume fraction of hard and consecutive …
We have rich experience and advanced technology to meet the needs of various steel rolling processes. Our rolls have the characteristics of high precision, high wear resistance and high …
Cast Iron. Ramesh Singh, in Applied Welding Engineering (Second Edition), 2016. High-Chromium Cast Irons (Ni-Hard) These are essentially white cast irons alloyed with 12% to 18% chromium and are popularly known in the industry as Ni-hard. Chromium imparts abrasion resistance and prevents oxidation. High-chromium cast irons are resistant to ...
Compared with traditional ductile iron rolls and high-nickel-chromium rolls, high-speed steel rolls have higher steel passing per groove (times) due to their good wear resistance, which saves roll changing time, improves rolling mill operation rate, reduces roll consumption, and reduces production. cost, and improve the overall efficiency of the factory.
EN-HiCr Iron Rolls Enhanced High Chromium Iron is widely used in early finishing stands of hot strip mills.The microstructure consists of a tempered bainitic/ martensitic matrix with Cr7C3 carbides and MC type carbides homogeneously distributed in the matrix. Core Material.
Alloy ductile iron rolls can be roughly divided into pearlitic ductile iron rolls and bainitic ductile iron rolls according to the matrix structure of the roll body. Alloy ductile iron rolls have good thermal shock resistance and wear resistance, and …
Mill Roll Supplier, Metallurgical Roll, Cast Iron Rolls Manufacturers/ Suppliers - ZHEJIANG PCC ROLLS CO., LTD. Menu Sign In. Join Free For Buyer. Search Products & Suppliers ... Medium Nickel Chromium Molybdenum Cold Hard Cast Iron Roll (CC) HSD 65-75 Cr 4, Cr 5 Back-up Roller HSD 50-65 High Chrome Cast Steel Roll (HCrS) HSD 45-65
