LR 3

GB/B 700-2006

Q235BZ,Q235CZ,Q235DTZ,Q275BZ,
Q275CZ,Q275DTZ

Carbon structure steel

GB/T6728-2002

COld formed steel holow sections for general structure - dimensions, shapes,weight and permissble deviations

GB/T 1591-2008

Q355B,Q355C,Q355D

High strngth loe alloy structure steels

GB/T 6728-2002

Cold formed steel hollow sections for general structure - dimensions, shapes,weight and permissble deviations

BS EN10219-1:2006

S235JRH,S275JOH,S275J2H,S355JOH,S355J2H,S355J0H.S355J2H

Cold formed welded structural hollow sections of non-alloy and fine grain steels- part1: technical delivery condition

BS EN10219-2:2006

Cold formed welded structural hollow sections of non-alloy and fine grain steels- part2: tolerances,dimensions and sectional properties

BS EN 10210-1:2006

S235JRH,S275JOH,S275J2H,S355JOH,S355J2H,S355J0H.S355J2H

Hot finished structural hollow sections of non- alloy and finr grain steel -part1: technical delivery condition

BS EN 10210-2:2006

Hot finished structural hollow sections of non-alloy and fine grain steels- part2: tolerances,dimensions and sectional properties

Standard

Grade

Size

EN 10219-1:2006
EN 10210-1:2006

GB/T 700-2006
GB/T 6728-2017

GB/T1591-2018
GB/T 6728-2017

S235JRH,S275JOH,S275J2H,S355JOH,S355J2H,S355J0H.S355J2H

Q235BZ,Q235CZ,Q235DTZ,Q275BZ,
Q275CZ,Q275DTZ

Q355B,Q355C,Q355D

Ø114 ERW production line for hollow Sections:
Wall thicknesses from 2.5 to 10 mm, in the following size ranges:
Circular: Outside diameters from Ø48mm up to Ø 114 mm
Square: Outside dimensions from 30mmX30mm up to 100mmX100mm
Rectangular: Outside dimensions from 75mmX125mm up to 300mmX150mm

Ø273 ERW production line for hollow Sections:
Wall thicknesses from 3.0 to 12 mm, in the following size ranges:
Circular: Outside diameters from Ø127mm up to Ø273mm
Square: Outside dimensions from 100mmX100mm up to 220mmX220mm 
Rectangular: Outside dimensions from 75mmX125mm up to 300mmX150mm