china supplier gi tube for greenhouse steel pipe per ton with best price

Standard:

bs, BS EN10219, ASTM A500 , GB/T 6728 , AS/NZS 1163

Grade:

A53-A369, Q195-Q345, ST35-ST52, A106(B,C), Q235, Q345, Q195, Q215, ST37, ST52, ST35

Thickness:

1.5 - 30 mm

Place of Origin:

Tianjin, China

Application:

For construction, steel structure

Technique:

ERW

Certification:

CE,ISO 9001:2008 certification

Surface Treatment:

Galvanized

Special Pipe:

Thick Wall Pipe

Alloy Or Not:

Non-Alloy

Tolerance:

±1%

Type:

Square Tubes

Secondary Or Not:

Non-secondary

Product Describe / Name:

Galvanized steel square tube

Reprocessed Surface Treatment:

anti-rust oiled , galvanized , color primer painted

Reprocessed pipe:

cut to required length , perforate holes, weld plates, ects

Sample Service:

Free Sample, Charge INT'L courier

Steel mechanical property 01:

General min. Yield strength 195-235Mpa, or 345Mpa

Section Shape:

Square and Rectangular Hollow Section