Wuxi Zhongxin Special Steel Co.,Ltd. |
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Grain-Oriented Electrical Steel in transformer industry Large transformers B30P095 0.3mm
On Jan 22th, 2010, the high induction GO was reviewed by experts in the organization of the China Machinery Industry Federation to be applied to ± 500kV and above DC converter transformer. On May 15th, 2010, the novel B27R085 high induction GO was reviewed by experts in the organization of the China Machinery Industry Federation to be applied to large power transformers, including DC converter transformers. On Sep 25th, 2010, high induction GO was reviewed by experts in the organization of the National Energy Administration, it was recommended that The State Grid, China Southern Power Grid and transformer enterprises to promote the use
Typical mechanical properties
Thickness | L Tensile strength | L Yield strength | L Elongation | Hardness | L Number of bends | Lamination factor |
(mm) | (MPa) | (MPa) | (%) | (Hv1) | times | (%) |
0.23 | 352 | 330 | 12 | 200 | 21 | 96.5 |
0.27 | 358 | 333 | 12 | 204 | 21 | 97 |
0.3 | 361 | 336 | 13 | 205 | 20 | 97.5 |
0.35 | 364 | 340 | 13 | 206 | 20 | 98 |
Standard dimensions of products
Available thickness | Available width range | Inside diameter |
(mm) | (mm) | (mm) |
0.23,0.27,0.30,0.35 | 900~1200 | 508 |
Dimensional and shape tolerances
Width | Thickness | Thickness tolerance | Longitudinal thickness tolerance (mm) | Traverse thickness tolerance | Width tolerance (mm) | Flatness | Camber within 2m |
(mm) | (mm) | (mm) | (mm) | (mm) | (mm) | % | (mm) |
900~1200 | 0.23 | ±0.02 | ≤0.03 | ≤0.02 | 0~+2 | ≤1.5 | ≤1.0 |
0.27 | ±0.03 | ||||||
0.3 | |||||||
0.35 |
Testing equipment
Customer Visiting
Q: Would you provide samples For free?
A: Yes . with on stock specification We provide samples For Free .
Freight charge collect
Q:What information should i provide to source for the right
products ?
A: Material grade, width, thickness, coating and Purchase quantity
, Expected lead time ,etc
Q: What are the shipping ports?
A: Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you
can choose other ports according to your needs.
Q: About product prices?
A: Prices vary from period to period due to cyclical changes in the
price of raw materials.
Q: How long does your delivery time take?
A: In general, our delivery time is within 5-45 days, and may be
delayed if the demand is extremely
large or special circumstances occur.
Q: Can I visit your location?
A: Of course, we welcome customers from all over the world to visit
our factory. However, some
of the plants are not open to the public.
Q: Does the product have quality inspection before loading?
A: Of course, all our products are strictly tested for quality
before packaging, and unqualified
products will be destroyed.We provide All original Mill test
certificate and support third party inspection.
Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer with iron
packaging and is fixed with a fumigation
wooden pallet. It can effectively protect products from corrosion
during ocean transportation.
Q: What is your working time?
A: In general, our online service time is Beijing time: 8:00-22:00,
after 22:00,
we will reply to your inquiry during the next working day.