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용융 아연도금
폐사는 용융알루미늄 도금시설과 용융아연 도금시설을 병설하여 종합용융도금 회사로서 다음과 같은 각종 용융아연로를 보유하고 있으며 도금품에는 엄격한 품질검사를 실시하며 작업공기에 차질없이 납품하여 각계에서 호평과 신뢰를 받고 있습니다.
- H.D.Z.bath(m/m)facility
- width 1,550 x depth 1,300 x length 6,500
- Productive capacity
KIND OF H.D.Z (KSD-8308)
| kinds |
symbol |
adhesive amount |
CuSO4 |
applying examples |
| 1 |
HDZ A |
- |
4 |
steel products w/thickness of 5m/m below bolt and nut w/diameter of 12m/m, washer w/tickness of .3m/m above |
| 2 |
HDZ B |
- |
5 |
steel and cast(iron and steel) w/thickness of 5m/m above |
| HDZ 35 |
above 350 |
- |
steel w/thickness of 1m/m~2m/m
bolts and nuts w/diameter of 12 m/m
above and washer w/thickness 2.3m/m |
| |
HDZ 40 |
above 400 |
- |
steel and cast(iron and steel) w/thickness or 2~3m/m |
| HDZ 45 |
above 450 |
- |
steel and cast(iron and steel) w/thickness or 3~5m/m |
| HDZ 50 |
above 500 |
- |
steel and cast(iron and steel) w/thickness or 5m/m above |
| HDZ 55 |
above 550 |
- |
steel and cast(iron and steel) used in severe corrosive environment |
| HDZ 61 |
above 610 |
- |
steel and cast(iron and steel) w/thicknes of 5m/m used in severe corrosive environment |
Remarks
- It has to have thickness of 3.2m/m above when it is needed to have HDZ coating. In case of below 3.2m/m thickness, there should be compromise between.
- Thickness and diameter used in applying examples obey by each inch.
CHANGES OF MECHANICAL PROPERTIES OF H.D.Z PRODUCTS .....R.W.Sandelin
| test No. |
tensile strength(kg/mm2) |
oxidation rate(%) |
hardness(Shore) |
| before coated |
after coated |
before coated |
after coated |
before coated |
after coated |
| No. 1 |
40.9 |
40.3 |
44 |
41 |
25.0 |
26.0 |
| No. 2 |
37.1 |
37.6 |
46 |
44 |
24.0 |
25.0 |
| No. 3 |
39.8 |
39.2 |
38 |
36 |
23.0 |
24.0 |
|
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