- 0086-371-86151827
- [email protected]
Call Us:
Contact With Us:
FOB Reference Price：Get Latest Price
Offer Ability:5 000MT/Per Month GB/T 1591 Q390D hot rolled high strength steel plates
GB/T 1591 Q390D hot rolled high strength steel plates enjoy features of good comprehensive mechanical properties, good weldability as well as cold and hot processing and corrosion resistance, good low temperature toughness.
GB/T 1591 Q390D hot rolled high strength steel plates shall be done impacting test at low temperature minus 20 degree centigrade. Normalised heat treatment suggested to be done for Q390D steel plates in heavy thickness.
GB/T 1591 Q390D hot rolled high strength steel plates chemical composition:
| Grade | C % | Si % | Mn | P % | S % |
| Q390D | ≤ 0.20 | ≤ 0.55 | 1.00-1.60 | ≤ 0.030 | ≤ 0.030 |
GB/T 1591 Q390D hot rolled high strength steel plates mechanical property:
| Grade | Thickness | Yield Strength (Mpa) | Tensile Strength | Elongation(%) | ImpactEnergy | |
| (mm) | (MPa) | Min | ||||
| Q390D | ≤ 16 | 390 | 490-650 | 20 | -20 | 34 |
| >16-35 | 370 | 490-650 | 20 | -20 | 34 | |
| >35 | 350 | 490-650 | 20 | -20 | 34 | |
| The min impact energy is longitudinal energy | ||||||
GB/T 1591 Q390D hot rolled high strength steel plates are mainly used to build ships, boilers, pressure vessels, oil storage tanks, bridges, power station equipment, lifting and transportation machinery and other welded structures with higher loads.
BBN Steel is specializing in GB/T 1591 Q390D hot rolled high strength steel plates which is under GB/T specification.GB/T 1591 Q390D hot rolled high strength steel plates has excellent mechanical properties and widely application. Combining above advantages can be supplied the most in line with customer requirements products. Moreover,we will provide cutting, pretreatment, galvanizing, testing, heat treatment services for GB/T 1591 Q390D hot rolled high strength steel plates.If you want to known GB/T 1591 Q390D hot rolled high strength steel plates more information,welcome to contact with us at any time: [email protected].
1.Additional Condition: UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
2.Shipping department: a).Book shipping space b).Documents confirmation c).Shipping track d).Shipping case
3.Production control department: a).Technical evaluation b).Production Schedule c).Production Tracking d).Successfully complaint case
4.Quality control: a).Test in mill b).Inspection before Shipment c).Third Party Inspection d).About Package problem e).Quality problem case
5.Customers’ feedback and complaint: a).Quality feedback b).Service feedback c).Complaint d).Case
