Annealed Aisi 4140 Custom-Made Size Forged Steel Round Bars
Specifications:
FORGING: Heating for forging must be done slowly and uniformly. Soak through at 1850°-1950°F and reheat as often as necessary, stopping work when the temperature drops below 1700°F. After forging, cool slowly in lime, mica, dry ashes or furnace. D2 steel should always be annealed after forging.
| Production Name | Forged Steel Round Bars/Alloy Steel Hollow Bars |
| Main Grade | AISI 4145 |
| Shape | Round solid |
| Diameter | 80-300mm |
| Length | 3000mm-10000mm |
| Heat treatment | quenching and tempering ,according to customer's request |
| Technique | Hot forged |
| Surface | Black or Rough turned |
| Certificate | ISO9001, SGS, BV,ABS |
| Application | used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry, electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc. |
High strength, hardenability, good toughness, small deformation in quenching, high temperature creep strength and lasting
strength.It is used for manufacturing forgings with higher strength and larger quenched and tempered cross section than 35CrMo steel, such as big gear for locomotive traction, supercharger drive gear, rear axle, connecting rod and spring clamp with great load, and also for drilling pipe joint and fishing tool for oil deep Wells below 2000m.
Product Processing
Production Inspection
Our heat treatment center with complete product testing equipment, for instance: the scanning electron micro sconezz(SEM).the transmission electron microscope(TEM)the material testing machine. the large-type metallurgical microscope,the endurance testing machine,the IAS-4 image analyzer, the American ARL direct- reading spectrometer, the American the electric ICP emission spectrometer, the American LECO infrared carbon sulfur analyzer, the hydrogen analyzer, the oxygen and nitrogen analyzer,the Swiss end harden ability tester, the German Zeiss inverted microscope, the Japanese CARTON stereo microscope, the 500J impact testing machine, the 500N hydraulic universal tester, the water immersion flaw detector, the radio element detector and so on.
Evergrowing Resources CO.,Ltd
Evergrowing Resources Co., Limited was Located in Nanjing, China. We have engaged in import and export of all kinds of ferrous and nonferrous materials all over the world. Because we are top agent of several different steel mills in Asia and Europe, so we have ability to offer best quality products and services to our clients. Till now, we have supplied products and services in Asia, Europe, Africa, North America and South America. Following the trend of market development, we have built our special steel processing center in Jiangsu, China to do further processing on the products, such as heat treatment (QT, N, ANN), rough turned, CNC cutting and etc. We have extended our industrial train and enhanced the ability to provide the auxiliary item, and thus strengthened our market advantage.
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