1.High quality
2.Best price
3.Good corrosion resistance
4.Simple installation
5.Length and thickness can be provided in accordance with customers’ request.
6.Lightguage steel joist can be divided into ceiling and wall keel, which the former one consists of carring keel (the main keel),cladding keel (auxiliary keel)
7.Neither air nor environment pollution while installing.
8.
With
good effect for space dividing and beautifying.
9.
The
keel are molded from high quality galvanized steel, which guarantee the
anticorrosive capacity， good strength，hardness and constructing performance.
Technique charecteristic
|
Item
|
Partition keel
|
Hang Ceiling
Keel
|
|
Technique index
|
Standard valve
|
Technique index
|
Standard valve
|
|
Galvanization
quantity of double sides
|
160g/m2
|
International
standard ≥80g/m2
|
160g/m2
|
International
standard ≥80g/m2
|
|
Length error
|
+10.-5mm
|
International
standard+30,-10
|
+10.-5mm
|
International
standard+30,-10
|
|
Semidiameter of
bending internal angle
|
1.50-2.00
|
1.25-2.25
|
1.50-2.00
|
1.25-2.25
|
|
Angular
deviation
|
1o
30'
|
2o
|
1o30'
|
2o
|
|
Flatness
|
0.3mm/m
side 0.3mm/m
|
≤1.0mm/m
|
0.3mm/m
side 0.3mm/m
|
≤1.0mm/m
|
|
0.4mm/m
Bottom 0.4mm/m
|
≤2.0mm/m
|
0.4mm/m
Bottom 0.4mm/m
|
≤2.0mm/m
|
Ceiling keel's specification
|
Ceiling keel
|
1
|
ceiling keel
with bearing
|
60×28×1.5
|
|
2
|
ceiling keel
without bearing
|
60×27×0.6
|
|
3
|
UC50 main keel
|
50×15×1.5
|
|
4
|
UC50 keel
|
50×19×0.5
|
|
UC38 main keel
|
38×12×1.0
|
|
|
|
|
Partition keel’s specification
|
Partition keel
|
1
|
50earth keel
|
50×40×0.5
|
|
2
|
75 earth keel
|
75×35×0.5
|
|
3
|
75 erect keel
|
75×40×0.5
|
|
4
|
50 erect keel
|
50×35×0.5
|
|
5
|
50 erect keel
|
50×50×0.5
|
|
6
|
75 erect keel
|
75×50×0.5
|
|
7
|
100 erect keel
|
100×40×0.6
|
|
8
|
100 earth keel
|
100×40×0.5
|