Q345D

GB/T1591 Q345D High strength low alloy structural steels
Thickness:3mm-500mm
Width:1000mm-4200mm
Length:3000mm-18000mm
Heat Treatment:As rolled/Control-rolled/Normalised
GB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.
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

Mechnical property for Q345D low alloy structural steel:

Thickness (mm)
Q345D ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 345 325 295 275
Tensile strength (Mpa) 470-630

Chemical composition for Q345D low alloy structural steel (Heat Analysis Max%)

Main chemical elements composition of Q345D
C Si Mn P S V Nb Ti Al (min.)
0.18 0.55 1.00-1.60 0.030 0.030 0.02-0.15 0.015-0.060 0.02-0.20 0.015

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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