Zinc steel guardrail - economic and applicable type: horizontal pipe: 32*32*1.0mm; vertical pipe: 16*16*0.9mm; vertical column:
50*50*1.2mm
Zinc-steel guardrail - standard ordinary type: horizontal tube: 40*40*1.0mm; vertical tube: 19*19*0.9mm; vertical column:
60*60*1.2mm
Zinc steel guardrail - reinforced type: transverse tube: 45*45*1.2mm standpipe: 25*25*1.0mm column:
80*80*1.5mm