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  • Q420MC STEEL SHEET
  • Q420MC STEEL PLATE

Q420MC STEEL PLATE

  • Steel Standard: GB/T1591-2018
  • Rolling Type: High strength low alloy structural steels
  • Thickness: 5mm-500mm
  • Width: 1000mm-4500mm
  • Length: 1000mm-18000mm
  • Heat Treatment: TMCP Thermal Mechanical Control Processing
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■ Overview
High strength low alloy Q420MC STEEL PLATE,Q420MC STEEL SHEET,Q420MC STEEL MATERIAL is one common steel grade in chinese steel standard GB/T1591-2018.Structural steel plate Q420MC owned the minimum yield strength at 420 Mpa and the tensile strength at 520-680 Mpa.
■ Full Data
Technical Requirements & Additional Services for Q420MC steel plate:
♦ Normalising or Normalising Rolling heat treatment
♦ Cutting,Welding,Machining,Milling as per end user’s CAD drawing
♦ Shot blasting comply to SA 2.5 or SSPC and painting with shop primer
♦ More striction on some chemical elements contains for special applications
♦ Non-destructive inspection under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2 with ABS,LR,BV,DNV-GL,SGS
■ Techicals

►Mechnical property for GB/T 1591-2018 Q420MC STEEL PLATE

Mechanical Property for Q420MC steel plate

 

Thickness (mm)

Yield strength (≥Mpa)

T≤16

16<T≤40

40<T≤63

63<T≤80

80<T≤100

100<T≤150

150<T≤200

200<T

420

400

390

370

360

340

330

320

Tensile strength (Mpa)

T≤100

100<T≤200

200<T

520-680

500-650

500-650


►Chemical composition for GB/T 1591-2018 Q420MC STEEL PLATE (Heat Analysis Max%)

Main chemical elements composition of Q420MC

C

Si

Mn

P

S

Nb

V

0.20

0.60

1.00-1.70

0.030

0.030

0.01-0.05

0.01-0.20

Ti

Cr

Ni

Cu

Mo

N

Als Min.

0.006-0.05

0.30

0.80

0.40

0.10

0.015

0.015

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