Standard AISI SAE 9254 Hot Rolled Black Hardened Alloy Steel Bars
Specifications
1. Material: Q235, Q235B, Q235A, Q235C, Q235D, Q345, Q345B, Q195, A36, SS400, St37, St 37 -2 16Mn 30CrMo 35CrMo 42CrMo
2. Surface: Bright, Peeled, Black, Polished, Mirror, Grit 180 Grit 320 Grit 400, Grit 600.
3. Standard: AISI, ASTM, GB, BS, DIN, JIS, etc.
4. Quality: Prime quality
5. Technique: Hot Rolled and Cold Rolled
General character
1. Surface appearance and the use of the possibility of diversification
2. Good corrosion resistance, durable
3. High strength and high temperature oxidation
4. Clean, smooth finish
5. Good welding performance
Material:
| GB | DIN | AISI | JIS |
| 42CrMo4 | 1.7225 | 4140 | SCM440 |
Chemical composition:
| C | Si | Mn | P | S | Cr | Mo | V |
| 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 | 0.20-0.50 |
Size:
| Round Steel Bar | Dia60-800mm |
| Flat Steel Bar | 25-400mm*200-800mm |
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.
Evergrowing aim:
Competitive price: try best to make best offer
Top quality: 100% comply with customer's standard
JIT delivery: Delivery on time for each order.
One station purchase:we try to supply the material with different condition to our customers.
After service: Response on any quality question and etc.
Product Tags:
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9254 Black Hardened Tool Steel Round Bar Hot Rolled Images
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