42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 Forged Alloy Steel Round Bar QT

42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 forged round bar QT

42CrMo4 is an engineering alloy steel containing chromium and molybdenum. It falls in a class of low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. It can be heat treated in a number of ways to give it a superior combination of properties.

Forged Round Bar 42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 Product features

Forged Round Bar 42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 Chemical Compostion

Forged Round Bar 42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 Mechanical properties

Forged Round Bar 42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 Comparison of steel grades

Forged Round Bar 42CrMo4 42CrMo 42CrMoS4 1.7225 1.7227 Heat treatment

• Normalizing: 850 – 880°C,Cooling in air
• Soft Annealing:680 – 720°C,Cooling in furnace
• Stress relieve:450-650°C,Cooling in air
• Hardening:820 – 880°C,oil or water quench
• Quenching: 820– 860°C
• Tempering:540 – 680°C,Cooling in air

About Guangda For forged round bar

42CrMo4 qt

round bar manufacturer

42CrMo4 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.