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  • Q420B STEEL SHEET
  • Q420B STEEL PLATE

Q420B STEEL PLATE

  • Steel Standard: GB/T1591-2018
  • Rolling Type: High strength low alloy structural steels
  • Thickness: 1mm-500mm
  • Width: 1000mm-4500mm
  • Length: 1000mm-18000mm
  • Heat Treatment: As rolled/Control-rolled/Normalised/TMCP/Thermomechanical Processed
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■ Overview
Xinsteel keep stock for various dimensions of Q420B steel plate,Q420B steel sheet,Q420B steel beam in chinese port warehouses.Some stock of Q420B steel materials are approved by ABS CLASS,BV CLASS OR GL-DNV Class certificated with EN 10204 3.2.For preventing rusty when transportation when ocean,Xinsteel also can offer shot blasting and painting for these Q420B steel plate with shop primer.
■ Full Data
Technical Requirements & Additional Services for Q420B steel plate:
♦ Cutting,Welding,Machining,Milling as per end user’s CAD drawing
♦ More striction on some chemical elements contains for special applications
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Non-destructive inspection under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 
♦ Shot blasting comply to SA 2.5 or SSPC and painting with shop primer.

■ Techicals

►Mechnical property for GB/T 1591-2018 Q420B STEEL PLATE

Mechanical Property for Q420B 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

420

410

390

370

370

350

350

Tensile strength (Mpa)

T≤100

100<T

520-680

500-650


►Chemical composition for GB/T 1591-2018 Q420B STEEL PLATE (Heat Analysis Max%)

Main chemical elements composition of Q420B

C

Si

Mn

P

S

Nb

N

0.20

0.55

1.70

0.035

0.035

0.05

0.015

V

Ti

Cr

Ni

Cu

Mo

0.13

0.05

0.30

0.80

0.40

0.20


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