| Customization: | Available |
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| After-sales Service: | We Provide After-Sales Service |
| Warranty: | 2 Years |
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| Product introduction | ||||||||||||||||
| 45Cr is an alloy structural steel. | ||||||||||||||||
| Properties of 45Cr alloy steel: | 1. High strength, wear resistance and hardenability, 2. It has the best comprehensive mechanical properties, 3. Steel with hardenability higher than 45, 4. Suitable for surface hardening treatment such as high frequency quenching and flame quenching. |
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| 45Cr alloy steel uses: | It is mainly used to manufacture important parts, and can also be used as various parts with high load-bearing and wear resistance requirements after high-frequency surface quenching, such as gears, sleeves, shafts, pins and so on. | |||||||||||||||
| technical parameter | ||||||||||||||||
| typical | 45Cr alloy steel | |||||||||||||||
| GB standard | GB /T 3077-1999 | |||||||||||||||
| American Standard | ASTM/AISI-5145 | |||||||||||||||
| Japan | JIS-SCr445 | |||||||||||||||
| France | NF EN/NF-45C4 | |||||||||||||||
| Typical product | Gears, shafts, sleeves, pins | |||||||||||||||
| Content of chemical elements (%) | ||||||||||||||||
| ingredient | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | |||||||
| minimum value | 0.42 | 0.17 | 0.5 | - | - | 0.8 | - | - | - | |||||||
| maximum | 0.49 | 0.37 | 0.8 | 0.035 | 0.035 | 1.1 | 0.3 | 0.3 | 0.15 | |||||||
| mechanical character | ||||||||||||||||
| Sample diameter d mm |
Heat treatment or condition | tensile strength σb Mpa |
yield limit σs Mpa |
Elongation after breaking or elongation δ % |
Section shrinkage ψ % |
hardness HBW |
Shock absorption energy KV2 J |
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| d=25 | Quenching+tempering | ≥1030 | ≥835 | ≥9 | ≥40 | ≤217 | ≥39 | |||||||||
| comparison table | ||||||||||||||||
| China | Taiwan, China | Japan | South Korea | United States of America | France | Russia | ||||||||||
| GB | ISC | CNS | JIS | KS | ASTM/AISI | UNS | NF EN/NF | GOST | ||||||||
| 45Cr | A20452 | SCr445 | SCr445 | SCr445 | 5145 | G51450 | 45C4 | 45Х | ||||||||
1. Who are we?
Our headquarters is located in Shandong, China. Since 2002, we have been selling to the domestic market (40.00%), Northern Europe (8.00%), North America (7.00%), the Middle East (7.00%), Africa (6.00%), South America (5.00%), Southeast Asia (5.00%), East Asia (5.00%), South Asia (5.00%), Eastern Europe (3.00%), Western Europe (3.00%), Central America (3.00%), Southern Europe (2.00%), and Oceania (1.00%). There are about 101-200 people in our office.
2. How do we guarantee quality?
Pre-production samples are always available before mass production;
Always carry out final inspection before shipment;
3. What can you buy from us?
Aluminum plate, aluminum coil, aluminum foil, carbon steel, alloy steel, stainless steel, copper galvanizing, etc
4. Why should you buy from us instead of other suppliers?
ZhongYe Metal Products (Shandong) Co., Ltd. is a leading manufacturer of aluminum products and carbon alloy materials in China, with more than 20 years of experience. More than 160 experienced workers use German brand processing equipment for production.
5. What services can we provide?
Accepted delivery conditions: FOB, CIF, FAS, DDP, express, DES;
Accepted payment currencies: US dollar, Australian dollar, Euro and RMB;
Payment types accepted: T/T, L/C, MoneyGram, credit card, PayPal, Western Union remittance, cash;
6. After-sales service: 24-hour online maintenance guidance service.
Language: English, Chinese Other.
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