GB-T1591 Q420B Steel plate supplier

 

 

Gangsteel sellGB-T1591 Q420B Low alloy and high strength steel plate, heavy plate and wide, heavy plate.

 

 

  1. Q420B Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure
  2. Q420B Specification:  Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm
  3. Third Party Inspection for Q420B: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
  4. Q420B Chemical compositionMax % of the Product analysis of grade

C

Si

Mn

P

S

Nb

V

Ti

0.20

0.50

1.70

0.035

0.035

0.07

0.20

0.20

Cr

Ni

Cu

N

Mo

B

Als min

 

0.30

0.80

0.30

0.015

0.20

-

-

 

  1. Q420B Yield strength

Nominal thickness (mm)

To 16

16-40

40-63

63-80

80-

100

100-

150

150-

200

200-

250

250-

400

ReH - Minimum yield strength (MPa)

420

400

380

360

360

340

-

-

-

  1. Q420B Tensile Strength

Nominal thickness (mm)

To 40

40-63

63-80

80-100

100-150

150-250

250-400

ReH - Minimum yield strength (MPa)

520-680

520-680

520-680

520-680

500-650

-

-

  1. Q420B Impact Test degree and energy

 

Min Energy Nominal thickness

Temperature ℃

20

Thickness (mm)

12-150

150-250

250-400

Notch impact test. Min. absorbed energy

34

-

-

 

  1. Equivalent grades of grade Q420B
  2. Q420B Delivery Time Or Lead Time: 15-30days
  3. Q420B Extra Service:Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
  4. If you have any requirement in steel plate for Q420B, whether the new plate or stock list of material, please feel free to contact us by email of calling.
  5. Tags: Q420B,GB-T1591 Q420B, Q420B Steel Plate, Q420B steel factory, Q420B adopt standard, Q420B Heat treatment, Q420B Technical delivery condition, Q420B Chemical, Q420B Mechanical property, Q420B Price, Q420B CEV, Q420B Impact degree, Q420B impact energy

 

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