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| Categories | Forged Steel Round Bars |
|---|---|
| Place of Origin: | China |
| MOQ: | 5 Tons |
| Price: | USD 200-1500/Ton |
| Payment Terms: | L/C, T/T, D/P, D/A, Western Union, MoneyGram |
| Supply Ability: | 5000 Ton/Tons per Month |
| Delivery Time: | 40-50 days |
| Packaging Details: | Standard seaworthy package |
| Brand Name: | Evergrowrs |
| Certification: | ISO ,etc. |
| Model Number: | As per standard |
| Shape: | Round Section |
| Alloy or not: | Is Alloy |
| Technique: | Hot Rolled Cold Draw Forged |
| Forged dimension: | 110 to 500mm |
| Grade: | SAE4320H, SAE4320H |
| Tolerance: | ±3% |
| Length: | 1000 to 6000mm |
| Surface: | Black Pickled HL Brushed Polished |
| Company Info. |
| Evergrowing Resources Co., Ltd. |
| View Contact Details |
| Product List |
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.
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