purlin 兰瓦檩

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‘C’ Purlin

H (mm)B (mm)A (mm)Thickness (mm)
100*50141.6/2.0/2.5
12550141.6/2.0/2.5
15050161.6/2.0/2.5
150*65201.6/2.0/2.5
20052181.6/2.0/2.5
25065182.0/2.5
30080182.0/2.5

‘Z’ Purlin

H (mm)B 1 (mm)B 2 (mm)A (mm)Thickness (mm)
1004755141.6/2.0
1504552161.6/2.0/2.5
2004755181.6/2.0/2.5
2506370182.0/2.5
3009082182.5/3.0
1725550152.0
2327570172.0
* Standard length of 5.8m is available for 1.6mm and 2.0mm thickness

Material descriptionHot dipped, Zinc coated structural grade, high tensile steel , guaranteed minimum yield strength of 365 MPa, chromate passivated, suitable for roll forming, material to be consistent quality in respect of surface conditions, edge conditions, shape and mechanical properties.
Material standardASTM A 653
Base metalHigh strength steel / structural grade
Grade of steel350 MPa min / YS - 350 MPa & TS – 480 MPa, Elongation – 10%
Zinc coatingZ220 and above ( Min. 220 g/m2 total on both surfaces )
PassivationChromate Passivation
OilingNot required
Surface conditionsSkin passed and not very shiny. No dents, scratches and other marks on the surface.
Edge camber0.2 % (as per AS 1365 )
Flatness (Steepness)0.5 % ( as per AS 1365 )
Width tolerances-0 mm, + 2.0 mm
WeldsNo welds
Edge conditionsCoils to be tightly wrapped free from stagger. Dished or telescoped coils greater than 15 mm are not accepted.
Coil thickness1.6mm , 3.0 mm