Coating properties
Coating type
| Type | Non-oriented | Grain-oriented | ||||||
|---|---|---|---|---|---|---|---|---|
| A | H | K | M | J(C5) | L(C6) | Z | S | |
| Composition type | Semi-organic | Semi-organic | Semi-organic | Semi-organic | Semi-organic | Semi-organic | Organic | Inorganic |
| Coating thickness （um/face） |
~0.3um | ~0.7um | 0.3~1μm | 0.8~1.5μm | 2~4um | 4~9um | 3~9um | ~3um |
Remarks |
Environmentally-friendly | Environmentally-friendly | Environmentally-friendly | Environmentally-friendly | Environmentally-friendly (air-setting) |
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Coating technical data
| ITEM | A | H | K | J | L | REMARK | |
|---|---|---|---|---|---|---|---|
| VANISH Supplier | BAOSTEEL | BAOSTEEL | BAOSTEEL | REMBRANDTIN 5308 | Dupont Voltatex 1151E |
||
| Code comparable | TO AISI | C5 | C5 | C5 | C5 | C6 | |
| Composition | chromate、organic colophony (semi- organic) |
chromate、organic colophony (semi- organic) |
chromate、organic colophony (semi- organic) |
chromate、organic colophony (semi- organic) |
chromate、organic colophony (semi- organic) |
||
| Coating thickness | 0.2-0.5µm | 0.6-1.0µm | 0.2-0.5µm | 2-4µm | 4-7µm | ||
| Lamination factor(%) | >98.5 | >98.5 | >98.5 | >98.5 | >95 | pressure: 1MPa | |
| Adhesion | good | good | good | good | good | ||
| Interlaminar resistance (Ω- cm2/piece) |
>1 | >3 | >1 | >30 | >50 | Measurement standards: IEC60404-11 |
|
| Resistance to rust | Salt spray test | <80% | <60% | <80% | <50% | n/a | NACL aquiform solution,room temperature,salt spray for 5 hours,the percent of rusting areas |
| Constant temperature and humidity |
<60% | <40% | <60% | <30% | n/a | 50℃×relative humidity 80%×14days,the percent of rusting areas |
|
| Resistance to freon |
R22+freezing oil | Not recognized | Not recognized | Not recognized | Not recognized | Not recognized | Freon+Lubricating oil |
| 134a+freezing oil | for 10days weight change | ||||||
| Punchability | 1000 | 1500 | 1000 | n/a | n/a | material of die:tool steel |
|
| number of punchings while burr height reaches 50µm(*105) |
shape of punch:10mm dia clearance:0.6mm punching oil;applied |
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| weldability Max welding speed without blowholes(cm/min) |
<60 | <20 | <30 | ab.10 | not recommanded | electrode:Th-W2.6mm | |
| Heat resistance | Not recognized | Not recognized | Not recognized | n/a | n/a | Annealing condition:750 ℃×2hrs.in N2 gas |
|
