Steel Ring Forging with International Standards and Cold Forging Machinery

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Casting
• Application: Machinery Parts
• Material: Steel
• Heat Treatment: Normalizing
• Surface Treatment: Rough Machining
• Forging Tolerance: +/-0.5mm
• Standard: GB
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• International Standards: ASTM, AISI, DIN, JIS, BS
• Delivery Condition: Quenching+Tempering, Normalizing, Anealing
• Shape: Round Bar, Square, Shaft, Ring, Cylinder
• Delivery Surfaces: Black, Rough Machning Bright, Fine Maching Bright
• Alloy No: 9cr2mo, 18crmimo6, 30Cr2Ni2Mo
• Transport Package: Wooden Cartons
• Specification: Customization
• Trademark: weirun
• Origin: Jiangsu, China
• Production Capacity: 3000 Tons/Month

Product Description

Product Description

Chemical Composition (%):

	C	Si	Mn	P	S	Cr	Mo	Ni	Standard
9Cr2Mo	0.85-0.95	0.25-0.45	0.20-0.35	≤0.025	≤0.025	1.70-2.10	0.20-0.40	≤0.25	GB/T13314-2008
18CrNiMo7-6	0.15-0.21	≤0.4	0.50-0.90	≤0.025	≤0.035	1.50-1.80	0.25-0.35	1.4-1.7	EN 10084-2008
30Cr2Ni2Mo	0.26-0.34	0.17-0.37	0.50-0.80	≤0.020	≤0.020	1.80-2.20	0.30-0.50	1.80-2.20	GB/T3077-2015

Main Products

Company Profile

Jiangsu Weirun Forging Co., Ltd.
Established in the pivotal year of 2001, Jiangsu Weirun Forging Co., Ltd. proudly traces its origins to the esteemed Jiangsu Longtai Alloy Technology Co., Ltd. and Jiangsu Xinya New Materials Co., Ltd. As a frontrunner in China, we have redefined industry standards through our innovative prowess in alloy steel smelting and the creation of a diverse range of forged marvels.
With unwavering dedication to excellence, our company stands out in the intricate art of alloy steel smelting, electroslag remelting, forging, and mold crafting. Over the years, we have meticulously constructed a comprehensive industrial chain, harmoniously encompassing material recycling, smelting, electroslag casting, forging, and precision mold machining. We proudly serve both domestic and international markets with unparalleled expertise and commitment to excellence.
Our strategically expansive 60,000 square meter facility is a testament to our manufacturing brilliance, featuring a remarkable suite of resources, including three cutting-edge 1-ton electroslag furnaces alongside a robust 3-ton and 10-ton counterpart. Our mechanical arsenal is further empowered by two 2-ton air hammers, a 1-ton air hammer, and a precise 0.75-ton air hammer, all part of our fully mechanized electro-hydraulic hammer production lines of 5 tons and 8 tons. Our comprehensive setup is amplified by extensive mechanical processing and state-of-the-art heat treatment equipment, along with advanced spectrometers and sophisticated physical and chemical performance testing devices. With a steadfast foundation of 153 million yuan in fixed assets, we proudly achieve an industrial output value that reaches an impressive 300 million yuan. Our dedicated team of over 200 includes more than 20 highly skilled technical professionals, cementing our position among Danyang City's elite top fifty enterprises with outstanding annual sales and tax revenue.
In our relentless pursuit of greatness, we have infused our team with a diverse array of technical talents and cultivated dynamic partnerships with prestigious domestic universities and research institutions. Our unwavering commitment to technological innovation has been acknowledged with an impressive portfolio of 5 national authorized invention patents and 3 utility model patents, showcasing our leadership and pioneering spirit in the industry.
Boasting an extraordinary annual production capacity that surpasses 30,000 tons of steel ingots and a formidable 15,000-ton forging capacity, our products are integral to various industries, including wind power, chemical engineering, machinery, automotive, shipbuilding, power generation, metallurgy, mining, and petrochemicals. Driven by the ethos of "pursuing excellence and building a world brand," we continue to forge ahead, seamlessly integrating with global markets. Our steadfast commitment to international brand strategy ensures we produce to the highest global standards. Our excellence is affirmed by prestigious certifications such as ISO9001, China CCS, France BV, and Germany TUV. As a trusted professional supplier and service provider of forged products, Weirun epitomizes professionalism and innovation, consistently delivering exceptional services by adopting a specialized, high-caliber approach that perfectly aligns with customer needs.

FAQ

• What is the difference between forging and casting?

  Forging: It is the process of transforming a solid from one shape to another. Casting: It is the process of transforming a shapeless liquid metal into a solid with a shape. The so-called casting is the process of casting molten metal into a model to obtain a casting. The casting profession focuses on the metal melting process and the control of processes during the casting process. Forging is a plastic forming process in the solid state, which can be divided into hot processing and cold processing. Forgings include extrusion, drawing, roughening, punching, and so on. Casting is a solid liquid solid process, while forging is a solid to solid process where a solid can change its shape into another shape at high temperatures. There are still differences in the shape process and process of the two.

• How to choose high-quality forgings?

  In the quality inspection of forgings, there are mainly external observation methods and internal inspection methods. The appearance method, as the name suggests, is to observe the appearance of the product, such as the shape, geometric dimensions, surface condition, etc. of the forging, in order to understand whether it meets the standards and whether there are external defects. Specifically, it is to check whether the external dimensions of the forging meet the specifications and whether there are defects on the surface, such as cracks, wrinkles, bubbles, indentations, pits, impurities, scratches, etc. on the surface of the forging. Internal testing mainly involves analyzing the chemical composition, macroscopic and microscopic structures, and mechanical properties of forgings. This inspection process requires the use of specialized instruments for high magnification inspection, with the aim of checking for any phenomena such as fractures and shrinkage within the forging, as well as defects such as dendrites and white spots, disordered flow lines, and throughflow. It also includes the tensile strength, ductility, hardness, plasticity, and heat resistance temperature of the forging.

• What are the characteristics of the forging process for blank forgings?

  The forging process of circular forgings mainly consists of the following processes: pier roughening, elongation, punching, and expanding. The difference between free forging and ring rolling processes is mainly in the process of expanding holes. In the production of ring forgings, free forging is usually used to expand the hole with a horse screw, while ring rolling is mainly used to expand the hole with rolling.