Product Details
1. Product Description
Products are mainly used in: Magnetic shunt compensation element in electromagnetic and permanent magnetic circuits.
2. Chemical Component
The chemical composition shall comply with table 1.
Table 1 Chemical Component
Grade of steel |
Element Content (%) |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Fe |
- |
- |
1J38 |
≤0.05 |
0.30~0.60 |
0.15~0.30 |
≤0.020 |
≤0.020 |
12.5~13.5 |
37.5~38.5 |
Balance |
- |
- |
3. Size And Allowable Deviation
The size and allowable deviation of cold rolled strip shall be in accordance with table 2 and table 3.
Table 2 Allowable deviation of cold rolled strip thickness
Unit: mm
Nominal thickness |
Thickness and allowable deviation |
Nominal width |
Nominal length,
no less than
|
≥0.05~0.09 |
-0.01, 0 |
10~200 |
30000 |
＞0.9~0.15 |
-0.02, 0 |
10~200 |
20000 |
＞0.15~0.25 |
-0.03, 0 |
10~200 |
6000 |
＞0.25~0.40 |
-0.04, 0 |
10~200 |
3000 |
＞0.40~0.70 |
-0.05, 0 |
10~200 |
3000 |
＞0.70~0.95 |
-0.07, 0 |
10~200 |
1000 |
＞0.95~1.35 |
-0.08, 0 |
10~200 |
1000 |
＞1.35~1.75 |
-0.11, 0 |
10~200 |
1000 |
＞1.75~2.30 |
-0.13, 0 |
10~200 |
1000 |
＞2.30~3.00 |
-0.16, 0 |
10~200 |
1000 |
Table 3 Allowable deviation of the width of cutting edge strip
Unit: mm
Nominal thickness |
Nominal width |
≤100 |
＞100 |
Allowable deviation |
0.05~0.50 |
±0.1 |
±0.15 |
＞0.50~1.00 |
±0.15 |
±0.20 |
＞1.00 |
±0.25 |
±0.30 |
4. Delivery State
The product is delivered in cold rolled condition. If soft delivery is required by the buyer, it shall be specified in the contract.
5. Magnetic Property
The magnetic properties of the samples after heat treatment shall meet the requirements in table 4.
Table 4 Magnetic properties of samples after heat treatment
Grade of steel |
Magnetic induction intensity B at different temperatures when the magnetic field intensity is 8000A/m |
Magnetic induction intensity drop |
-20℃ |
20℃ |
40℃ |
B-20℃~ B20℃ |
B20℃~ B40℃ |
T |
1J38 |
0.25~0.42 |
0.05~0.24 |
0.015~0.12 |
0.16~0.24 |
0.035~0.15 |
6. Surface Quality
The surface of cold-rolled strip should be smooth and clean.
7. After-sales Service
We can provide standard and non-standard customized products. We will carry out internal control of product production management according to the feedback of customers, so as to make products more suitable for customers.
http://www.specialsteelcn.com/
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