Jiangyin
Jianhe Steel Co., Ltd. is a Chinese factory specialized in
manufacturing structural hollow sections including rectangular,
square and circular steel tubes and other steel structural
products. We have
CE certification and ISO ***1. Our size
range: 1.
*0**0mm to **0***0mm for welded square hollow
sectuons. Thickness:
***6mm 2.
*0**0mm to **0***0mm for welded rectangular hollow
sections. Thickness:
***6mm 3.
OD**8mm-OD**5mm for high-frequency straight seam welded circular
hollow sections. Thickness:
***0mm 4.
OD**8mm-OD***4mm for JCOE straight seam submerged arc welding
tubes. Thickness:
***0mm Steel
Grade: S**5, S**5, ASTM A**0 Grade A & B & C, STKR **0 and
so on. Our
standard quality certificate shows: mechanical properties with J
value at minus *0 degrees C / chemical composition with *4 elements
/ CEV / direction of the test piece.
