Hot sale Big Size Hollow Square Tube - Professional China Low Carbon Black/galvanized Square Steel Pipe For Construction Material Youfa Brand the biggest manufacturer for carbon steel pipe – Youfa

That has a positive and progressive attitude to customer's fascination, our enterprise constantly improves our merchandise high quality to meet the demands of customers and further focuses on safety, reliability, environmental requirements, and innovation of Professional China Low Carbon Black/galvanized Square Steel Pipe For Construction Material Youfa Brand the biggest manufacturer for carbon steel pipe, We are expecting to cooperate with you on the basis of mutual benefits and common development. We will never disappoint you. That has a positive and progressive attitude to customer's fascination, our enterprise constantly improves our merchandise high quality to meet the demands of customers and further focuses on safety, reliability, environmental requirements, and innovation of Low Carbon Black Square Steel Pipe, Low Carbon Galvanized Square Steel Pipe, Square Steel Pipe, steel pipe manufacturer, youfa steel pipe, we have 8 years experience of production and 5 years experience in trading with the customers all over the world. our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.

Product	Square and Rectangular Steel Pipe
Material	Carbon Steel
Grade	Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Grade B Grade C
Standard	DIN 2440, ISO 65, EN10219GB/T 6728JIS 3444 /3466 ASTM A53, A500, A36
Surface	Bare/Natural BlackPaintedOiled with or without wrapped
Ends	Plain ends
Specification	OD: 20*20-500*500mm ; 20*40-300*500mmThickness: 1.0-30.0mmLength: 2-12m

Strict Quality Control: 1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random. 2) National accredited laboratory with CNAS certificates 3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV. 4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates learn more about certificates Packing and Delivery: Packing Details : in hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles. Delivery Details : Depending on the QTY, normally one month.