Annealing Forged Steel Round Bar AISI5140 40Cr DIN1.7035 1.7045 41Gr4 42Gr4

AISI5140 40Cr DIN1.7035 1.7045 41Gr4 42Gr4 forged round bar steel round bar steel manufactuer

40 Cr round bars are the steel of the standard of GB/T 3077-1999 in China, 40 Cr steel is one of the most widely used steel machinery manufacturing field.After tempering treatment,the 40 Cr hot rolled round bars and forged round bars has good comprehensive mechanical properties,good low temperature impact toughness and low notch sensitivity

Forged round bar AISI5140 DIN1.7035 Related steel grade and similar material

Forged round bar AISI5140 DIN1.7035 Product features

Forged round bar AISI5140 DIN1.7035 Chemical Compostion for reference

Forged round bar Application

• Medium speed and medium load parts after quenched and tempered, such as gear, shaft, worm, spline shaft, centre sleeve, etc.
• High hardness surface and wear resistance parts after high frequency case hardening and tempered, such as gear, main shaft, bent axle, mandrel, sleeve, pin, connecting rod, screw, nut, etc.
• High load and medium speed impact parts after quendced and medium temperature tempered, such as pump rotor, slider block, main shaft, lantern ring, etc.
• Manufacture high load, low speed impact and wear resistance parts after quenched and low temperature tempered, such as shaft, main shaft, worm, lantern ring, etc.
• Big size and high low-temperature impact toughness driving parts after carbonitriding, such as shaft, gear, etc.

AISI5140
40Cr steel
5140 steel

Zhangjiagang Guangda Special Material Co.,Ltd was established in 2003. We located in Jiangsu Province beside Shanghai. Act as the high-tech enterprises with high-quality special alloy materials as the core business belong to the "advanced iron and steel materials" industry under the strategic emerging industries supported by the state.

1. Headquarter Zhangjiagang 220.000㎡ 2. Rugao Base 420.000㎡

3. Zhangjiagang Precision Manufacturing Base 200,000㎡ 4. Deyang Base 350.000㎡

Guangda Main products.

1. Material :
Gunagda has formed more than 10 core technologies in material melting technology and has internationally advanced heat treatment production lines from smelting and forging. Annual capacity for high quality alloy ingot 500,000 tons .Guangda provide high quality gear steel, high quality die steel, special stainless steel, high temperature alloy, ultra-high strength steel and other new material products encouraged by the state.

2.Forgings:
Guangda provide different forgings of shaft ,gear blank , ring rolling, rough machining, heat treatment and finish machining. Our annual production capacity is 500,000 tons for various of free-die forgings, ring rollings .Guangda forgings are widely used in high-end equipment manufacturing industries such as new energy wind power, rail transit, mechanical equipment, aerospace, new energy power, gas turbine, Marine petrochemical, semiconductor chip equipment and so on.

3.Castings:
Our business mainly focuses on large casting equipment, and our products mainly include large wind turbine castings, large equipment and equipment castings, large plastic machinery castings, and large shell castings with a total annual capacity of 210,000 tons. We have formed a whole industrial chain of smelting, casting, machining and surface treatment, and our technology and cost control are leading in the world.

4.Precision machining parts:
Through continuous and high starting point technical transformation. Guangda has introduced world-class high-precision equipment for the gears manufacturing, established a complete quality management system and after-sales service network, and dedicated itself to providing users with high-quality products. Quality products and satisfactory service.​All products are manufactured with the most advanced and modern equipment of PAMA,Gleason,Danobat,Kehren,Nicolas,Pierto carnaghi and efficient technical team with an emphasis on cost effective production.Guangda pursues excellence & innovation with tight quality control & the most advanced technology in the industry.