| Model: | - |
|---|---|
| Brand: | - |
| Origin: | - |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Bars, Rods, Angles, and Stainless Steel Shapes |
| Label: | Precision Alloy , S4J38A , FeNiCoCu |
| Price: |
-
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| Min. Order: | - |
| Live Chat: |  | Last Online:27 Aug, 2019 |
*Similar Grade
|
GB |
ГОСТ |
|
S4J38A |
38НКД |
*Specification
ГОСТ 10994-1974, ГОСТ 14080-78
*Product Forms
Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire
*Chemical Composition, %
|
Alloy |
C |
Mn |
Si |
P |
S |
Ni |
Co |
Cu |
Fe |
|
S4J38A |
≤0.05 |
≤0.015 |
≤0.15 |
≤0.02 |
≤0.02 |
37.5-38.5 |
4.5-5.5 |
4.5-5.5 |
Rest |
*Average Linear Expansion Coefficient
|
Alloy |
Heat treatment for sample |
Average linear expansion coefficient a/10-6.K-1 |
Inflection point /℃ |
|
S4J38A |
Heating to temperature between 850~900℃ in a protective or vacuum atmosphere. Holding for 1hour, cooling to 400℃ at a rate less than 300℃ per hour, then air cooling |
20~400℃ |
≥390 |
|
7.0~9.0 |
