Complaint
Chemical composition
C | P | S | Mn | Si | Mo | W | Cu | Ni | |
| 9.50 | 9.50 | 1.50 | ||||||
4J80 | 0.05 | 0.020 | 0.020 | 0.40 | 0.30 | 11.50 | 11.50 | 2.50 | allowance |
| The sample heat treatment system | Average linear expansion coefficient ā/(10 6 / K) | Magnetic permeability μ200 /(mH/m) | |
|
| 20~500ºC | 20~600ºC | |
4J80 | Heating to 850.950ºC in protective atmosphere or vacuum, keeping it warm for 30~40min, Cool at a speed of no more than 300ºC/h to below 300ºC and leave the oven | 12.7~13.3 | 13.O~13.6 | ≤0.00125 |
The linear expansion coefficient of alloy
Average linear expansion coefficient of different temperature range ā/(10 6 / K) | ||||||||||
20~100ºC | 20~200ºC | 20~300ºC | 20~400ºC | 20~500ºC | 20~600ºC | 20~700ºC | 20~80DºC | 20~900ºC | 20~1000ºC | 20~1C150ºC |
11.6 | 11.9 | 12.4 | 12.7 | 13.O | 13.0 | |||||
DC magnetic permeability of the alloy
Magnetic permeability at different magnetic field strengths/(mH/m) | ||||||
4kA/m | 8kA/m | 12kA/m | 16kA/m | 32kA/m | 40kA/m | 80kA/m |
0.00125084 | 1.00067 | 0.00125079 | 0.00125068 | 0.00125073 | ||
| Tensile strength ób/MPa | The yield point | Modulus of elasticity | elongation (Lo=50mm)(%) | Cup drawing value /mm | hardness |
4J80 | 749.0 | 289.5 | 220650 | 55 | 12.6 | 156 |
| The resistivity | density /(g/cm3) | Thermal conductivity | ||
|
|
| 20ºC | 300ºC | 600ºC |
4J80 | 0 .88 | 9. 67 | 15.5 | 16.7 | 21.4 |
Solucky steel Limited is a third-party supply chain service enterprise focusing on materials for automobiles, high-end household appliances, as well as material processing and storage. Its headquarters and warehouse base are set up in Shanghai BaoShan, and has branches all over the country, 20+ subsidiary companies,including Foshan, Guangdong, Chongqing, Wuxi, etcz.
Main Products
Machines & Processing
Packing & Delivery & logistics
Why Choose Us
FAQ
1.Where is your factory?
Our head office and warehouse located in Shanghai--the biggest steel making center of China
2.How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
3.What about the MOQ?
MOQ only 200KG,include coils and sheets
4. How long is your lead time?
In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
5.How's your product quality?
We only sell mid to high end steel materials,100% quality guarantee and cost-effective.
6.What are your terms of payment?
You can make the payment to our bank account,T/T, 30% deposit in advance, 70% balance against the copy of B/L.
7.How many countries you already exported to?
We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
8.What are the certifications for your products?
We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.
