20 20# RECTANGULAR HOLLOW SECTION

Xinsteel keeps varies sizes stock for 20# rectangular hollow sections,20# seamless rectangular steel tubes,20# seamless rectangular pipes,20# rectangular tubes,20# rectangular pipes,20# welded rectangular pipes.Xinsteel stockholder variouse dimensions of hot rolled steel retangular hollow sections,the biggest stock sides can be 600mm*800mm which can be loading for shipment soonest.

Technical Requirements & Additional Services:
♦ Galvanized coating according to GB/T 13912
♦ Dimension tolerance according to GB/T6728
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime.
 

►Mechnical property for 20 structural hollow section:
 

20#
Yield strength (≥Mpa)	245
Tensile strength (≥Mpa)	410

►Chemical composition for 20 structural steel tube (Heat Analysis Max%)

Main chemical elements composition of 20#
C	Si	Mn	P	S	Cr	Ni	Cu
0.17-0.23	0.17-0.37	0.35-0.65	0.035	0.035	0.25	0.30	0.25