Q390D

Q390D steel plate

GB/T1591 Q390 contains five different steel grades as Q390A,Q390B,Q390C,Q390D and Q390E.Structural steel Q390D shall be done impacting test at low temperature minus 20 degree centigrade.Normalised heat treatment suggested to be done for low alloy steel plate Q390D in heavy thickness.
Full Data Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578  Techicals

Mechnical property for Q390D low alloy structural steel:

Thickness (mm)
Q390D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 390 370 350 330
Tensile strength (Mpa) 490-650

Chemical composition for Q390D low alloy structural steel (Heat Analysis Max%)

Main chemical elements composition of Q390D
C Si Mn P S V Nb Ti Al (min.) Cr Ni
0.20 0.55 1.00-1.60 0.030 0.030 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.30 0.70

We supply Mild Steel Plate. For Mild Steel Plate we always source from China's number one state mills for Hot Rolled Steel such as Tianjin Iron & Steel and Ma Steel. These two mills produce excellent S235JR and S355JR Hot Rolled Steel Plate.

Hot Rolled Coil

Typical size range:

1.5 – 12mm Thick

1250 – 2500mm Wide

Available specifications:

EN 10025-2004

JIS G3101-2004

ASTM A36-05

GB/T 700-2006

Steel grades:S235JR; S355JR; A36; SS400; SS490; Q235(A/B/C/D); Q345(A/B/C/D/E); Q390; Q420
Steel Mills:

Angang Steel

Baosteel

Benxi Iron & Steel

LY Steel

Masteel

Shagang Group

Shenheng Steel

WISCO

Email: [email protected]

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