Q690D high strength round bar

Q690D round bar is a high strength welded structural steel which under GB standard,we are Q690D round bars manufacturers and suppliers in China, we can provide a large number of high-quality Q690D round bars spot, we also have a high-quality logistics team to ensure fast delivery time and transportation, the following to introduce you about our Q690D round bar chemical properties and production process.

Chemical composition of:

C≤0.18; Si≤0.60; Mn≤2.0; P≤0.03; S≤0.025; Ni≤0.80; Cr≤1.0; Mo≤0.30; Nb≤0.10; Ti≤0.02

Thickness: 0.5-20mm; 

dimensions: 5.0-500mm

Surface treatment: black painted, PE coated, galvanized, color coated, etc.

Test:HIC, SSC, SPWHT, macrostructure, detection of defects,hardness and DWTT test.

Delivery status: usually quenched and tempered state delivery, but also according to customer requirements for special delivery status.

Package: standard export package or as customer's requirements.

Application:manufacturing plant, general construction and all kinds of engineering machinery, such as mining and all kinds of engineering construction.

If you are looking for the appropriate Q690D structural round bar products,please contact us,we will give you a detailed answer,we are maintained at more than 1,000 tons per month Q690D round bars stock, to meet your needs. Welcome to inquire.