2022

A Brief History of Roll Development

The types and manufacturing processes of rolls have continuously developed with the advancement of metallurgical technology and the evolution of rolling equipment. In the Middle Ages, low-strength gray cast iron rolls were used when rolling soft non-ferrous metals. In the mid-18th century, Britain mastered the production technology of cold-hard cast iron rolls used for rolling steel plates. In the second half of the 19th century, the advancement of steelmaking technology in Europe required the rolling of larger tonnage steel ingots, and the strength of both gray cast iron and cold-hard cast iron rolls could no longer meet the requirements. Ordinary cast steel rolls with a carbon content of 0.4%~0.6% were correspondingly born. The emergence of heavy forging equipment further improved the toughness and strength of forged rolls of this composition. In the early 20th century, the use of alloying elements and the introduction of heat treatment significantly improved the wear resistance and toughness of cast steel and forged steel hot and cold rolling rolls. The addition of molybdenum to cast iron rolls used for hot-rolled plates and strips improved the surface quality of the rolled material. The flushing method composite casting significantly improved the core strength of cast rolls.

轧辊的品种和制造工艺随冶金技术的进步和轧钢设备的演变而不断发展。中世纪轧制软的有色金属时使用强度低的灰铸铁轧辊。18世纪中叶英国掌握了轧制钢板用的冷硬铸铁轧辊的生产技术。19世纪下半叶欧洲炼钢技术的进步要求轧制更大吨位的钢锭，无论是灰铸铁或冷硬铸铁轧辊的强度均已不能满足要求。含碳量为0.4%～0.6%普通铸钢轧辊相应诞生。重型锻压设备的出现更使这种成分的锻造轧辊的强韧性得到进一步提高。20世纪初期合金元素的使用和热处理的引入显著改善铸钢和锻钢热轧辊和冷轧辊的耐磨性和强韧性。热轧板带用的铸铁轧辊中加入钼后改善了轧材的表面质量。冲洗法复合浇注明显提高了铸造轧辊的芯部强度。
轧辊中大量使用合金元素是在第二次世界大战以后，这是轧钢设备朝着大型化、连续化、高速化、自动化发展以及轧材强度提高、变形抗力加大后对轧辊性能提出更高要求的结果。这段时期中先后出现了半钢轧辊以及球墨铸铁轧辊。20世纪60年代以后又研制成功了粉末碳化钨轧辊。70年代初期在日本和欧洲广泛推广的轧辊的离心铸造技术、差温热处理技术等使板带轧辊的综合性能显著改善。复合高铬铸铁轧辊也成功地用于热带轧机上。同期，锻造白口铁和半钢轧辊在日本得到应用。80年代欧洲又推出高铬钢轧辊及超深淬硬层的冷轧辊以及用于小型型钢及线材精轧的特殊合金铸铁轧辊。当代轧钢技术的发展促使更高性能轧辊的开发研制。采用离心铸造法和新的复合方法如连续浇注复合法（CPC法）、喷射沉积法（Osprey法）、电渣焊法以及热等静压法生产的芯部为强韧性好的锻钢或球墨铸铁、外层为高速钢系列的复合轧辊以及金属陶瓷轧辊已分别在欧洲、日本新一代型材、线材、带钢轧机上得到应用。
中国从20世纪30年代开始成批生产铸造轧辊，但品种极少。50年代末在河北邢台建立起中国第一个专业轧辊厂。1958年鞍山钢铁公司在国际上首次试制并使用了1050初轧用大型球墨铸铁轧辊。60年代相继制造成功冷轧工作辊和大型锻钢轧辊。70年代末太原钢铁公司和北京钢铁研究总院共同试制成功炉卷轧机和热连轧宽带钢机组用的离心铸造铸铁轧辊，邢台冶金机械轧辊股份有限公司试制成功热宽带钢轧机用半钢工作辊和冷轧宽带钢轧机用工作辊。80年代中国又陆续研制成功大型锻钢支承辊、锻造半钢和锻造白口铸铁轧辊、粉末碳化钨辊环、高铬铸铁轧辊等新品种。到90年代，中国轧辊生产已基本满足国内需要并有部分出口，但品种有待增加，质量尚须提高。

What should I do if a roll breaks?

Performance requirements

What should I do if a roll breaks?

Performance requirements

Our company was awarded the title of "High-speed Steel Roll Production Base for Casting" by the China Foundry Association and the title of "Specialized, Unique, Excellent, and Innovative" Enterprise in the Chinese foundry industry.

2025-07-31

Innovation-driven, win-win cooperation

2025-06-17

In June 2024, ACERBRAG GROUP from Argentina came to the company to discuss business cooperation.

2024-06-12

In May 2024, India's Kariya Company came to the company for business discussions

2024-05-15

Because of professionalism, it is trustworthy

2024-06-06

A professional manufacturer specializing in the research and development and production of high-speed steel rolls

2024-05-23

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Liaoning Yilian Sheng New Material Co., Ltd.

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