SAE4320H Grade Structural Alloy Steel Forged Steel Round Bars
Forged Steel Round Bars
Chemical composition:
C: 0.17-0.23
Si: 0.15-0.35
Mn: 0.4-0.7
Cr: 0.35-0.65
Mo: 0.2-0.3
Heat treatment: Normalizing, Annealing, Quenching, Tempering, Hardening and tempering, Seasoning, surface hardening, carburizing.
Specification: Plate, Sheet, Coil, Flat bar, Round bar
Size: Round bar: 10-1200mm
Tube: OD: 4-410mm, with wall thickness ranging from 1-35mm
Mechanical Properties:
| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 1158 | 25 | oil quenched, fine grained, tempered at 425°C |
| Yield Strength (Mpa) | 1034 |
| Elongation (%) | 15 |
| Reduction in Area (%) | 53 |
| Hardness (HB) | 335 | 25 | oil quenched, fine grained, tempered at 425°C |
Product 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.
Related Products:
Product Processing
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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SAE4320H 1m Forged Steel Round Bars Structural Alloy Steel Images
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