We can produce square and rectangular welded tubes according to international standards. Our products are kinds of specifications. Products have smooth surface, good appearance, size precision, and length can be flexibly adjusted, all supplied by Length or double length. Production processes can also be matched with the punch, etc., to meet different needs.
Standards ASTM A 500  EN10219
Main size:16x16x0.8-2.0mm TO 100x100x2.0-4.0mm
Type:Â rectangular or square
Steel grade:Q195, q215,q235,q345,st37,st52,stk500,ss400,16mn
Surface:Galvanized or  black or painting
Purpose:Scaffolding system, fence tube, structural tube,
Certificate:Iso9001, jis, ce
Best Window Locks,Casement Window Lock,Window Security Locks,Casement Window Handle Lock
SANHUI HARDWARE COMPANY LTD. , https://www.sanhui-1.com