galvanized steel metal support street lighting columns with single arm

Yield strength of Material

Minimum yield strength >= 235 n/mm2 for Q235, S235 and SS400

Minimum yield strength >= 345 n/mm2 for Q345, S355 and Gr 50

Pole’s height

3m –15m

Length of one part

Within 16m once forming without slip joint

Arm diameter

Diameter as 42mm, 48mm, 60mm, 76mm etc., fit any diameter lamp.

Power

250W to 400W

Welding

Advanced submerge-arc welding and CNC welding equipment. It has past flaw testing, and internal and external double welding makes the welding beautiful in shape. It consists with the international welding standard of CWB and AWS D 1.1.

Galvanization

Hot dip galvanization with thickness of 80-100µm average in accordance with Chinese standard GB/T 13912-2002 or American standard ASTM A123, ISO: 2626-1985.

Manufacture capacity per day

150

Wall thickness tolerance 

+- 0.1mm from 2.3mm to 4mm. +- 0.2mm from 5mm to 20mm. +- 0.5mm from 22mm to 30mm

Surface treatment 1

Black pole, Rough pole

Surface treatment 2

Hot dip galvanizing antirust

Surface treatment 3

Hot dip galvanizing with powder coating

Temperature range

-35 °C ~ +45 °C

Wind speed

Aganist wind pressure of 120Km/h to 180Km/h, according to client’s design.

Base plate mounted

Base plate is square, octagonal or round in shape with slotted holes for anchor bolt and dimension as per customer’s requirement.

Ground mounted

The length buried underground as per customer’s requirement

Quality control

According to ISO9001-2008 requirements

Certificates

ISO9001-2008, SGS  Audited Supplier, The AAA grade certificate of goodwill

Other

Less land occupation & easy maintenance