ASTM Standard Steel Forging Shafts - Round Bar and Cylinder Shapes Available

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Model NO.: 38crni3MOV 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.
Founded in the year 2001, Jiangsu Weirun Forging Co., Ltd. represents a harmonious fusion of expertise from Jiangsu Longtai Alloy Technology Co., Ltd. and Jiangsu Xinya New Materials Co., Ltd. As a trailblazer in China's industrial landscape, Weirun excels in the sophisticated processes of alloy steel smelting and the vibrant production of a diverse array of forged products. Our unwavering legacy of innovation and commitment to unmatched quality has been the cornerstone of our success since our inception.
At the heart of our operations is a relentless pursuit of excellence, positioning us at the forefront of projects including alloy steel smelting, electroslag remelting, forging, and mold manufacturing. Throughout the years, we have diligently built an all-encompassing industrial chain that harmoniously integrates material recycling, smelting, electroslag casting, forging, and the meticulous precision machining of molds. Serving both domestic and international markets, our dedication remains unparalleled.
Spanning an impressive 60,000 square meters, our state-of-the-art manufacturing facility is a testament to our capabilities, housing advanced equipment: three 1-ton electroslag furnaces, a 3-ton, and a 10-ton electroslag furnace; alongside two 2-ton air hammers, a 1-ton air hammer, and a 0.75-ton air hammer. Our production prowess is further enhanced by fully automated electro-hydraulic hammer lines of 5 tons and 8 tons. Complementing these are extensive mechanical processing and heat treatment facilities, advanced spectrometers, and a comprehensive suite of physical and chemical performance testing devices. With fixed assets valued at an impressive 153 million yuan, our industrial output value reaches a remarkable 300 million yuan. Employing a talented workforce of over 200 professionals, including 20 technical experts, we proudly stand among the top fifty enterprises in Danyang City for annual sales and tax contributions.
In our quest to propel growth, we have embraced a forward-thinking strategy that attracts diverse technical talents and fosters collaborations with leading domestic universities and research institutions. This strategic approach has resulted in remarkable technological advancements and innovation, earning us 5 national authorized invention patents and 3 utility model patents, firmly establishing our leadership in the industry.
Our impressive production capabilities boast an annual steel ingot production capacity exceeding 30,000 tons and a forging capacity of 15,000 tons. Our products serve as vital components across various industries, including wind power, chemical engineering, machinery, automotive, shipbuilding, power generation, metallurgy, mining, and petrochemicals. Guided by the philosophy of 'pursuing excellence and building a world brand,' we seamlessly integrate with the global market and uphold an international brand strategy. Our adherence to international standards is validated by prestigious accreditations such as ISO9001, China CCS, France BV, and Germany TUV. As a professional supplier and service provider of forged products, Weirun remains unwaveringly committed to professionalism, continually striving for new heights of expertise. We steadfastly uphold our specialized approach, offering unparalleled high-quality services and fulfilling the diverse needs of our valued customers.

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.