Q390D high strength alloy round bar

Q390D alloy round bar has good mechanical properties,welding,cold,hot processing performance and corrosion resistance are good,Q390D alloy round bar widely used in ships,boilers,bridges and so on.We only provide qualified Q390D alloy bar products with the best quality and reasonable price for our customers,the following details for you about our Q390D alloy bar basic chemical properties and applications.

Chemical content of ASTM Q390D alloy round bar:

C≤0.20;Mn:1.00-1.60;Si≤0.55;P≤0.03;S≤0.03;V:0.02-0.20;Nb≤0.015

Dimensions:5.5-500mm;length:4-9m

Mechanical properties:yield strength(Mpa)≥390;tensile strength(Mpa):490-650;elongation≥20

Technique:hot rolled,clod rolled

Surface treatment:polished,black

Package:good quality wooden box,will protect the bars safe

Application:ships,boilers,pressure vessels,oil storage tanks,bridges,power station equipment,lifting and transport machinery and other high load of welded structure.

KUNFENG Steel as the most popular Q390D hot rolled round bar suppliers,we also have a highly qualified logistics team to ensure fast delivery times and transportation,if you are interested in our products,please feel free to contact us,we will provide you the best quality Q390D alloy round bar,you are welcome to call the inquiry.