1. Q420R Adopt standard: GB/T 713 Standard Specification for boiler and pressure purposes, technical delivery condition and non alloy, alloy steels with specified elevated temperature properties.
2. Q420R Specification: Thickness: 5mm to 200mm; Width: 1500mm to 3500mm: Length: 3000mm to 27000mm
3. Third Party Inspection for Q420R: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department.
4. Q420R Chemical composition % of the Product analysis of grade
|
Grade
|
C %
|
Si %
|
Mn %
|
Cu %
|
Ni %
|
Cr%
|
Mo %
|
V %
|
|
Q420R
|
0.20
|
0.55
|
1.3-1.7
|
0.30
|
0.2-0.5
|
0.3
|
0.08
|
0.10
|
|
Ti %
|
Alt %
|
P %
|
S %
|
Nb
|
||||
|
0.03
|
—
|
0.02
|
0.01
|
0.015-0.05
|
5. Q420R Mechanical Property
|
Grade
|
Thickness(mm)
|
Min Yield
|
Tensile
|
Elongation
|
Min Impact Energy
|
|
|
Degree
|
Min J
|
|||||
|
Q420R
|
10-20
|
420 Mpa
|
590-720 Mpa
|
18%
|
-20
|
60J
|
|
20-30
|
400Mpa
|
570-700 Mpa
|
18%
|
-20
|
60J
|
|
Normally GB/T 713 Q420R plates are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both.
6. Q420R Delivery Time Or Lead Time: 20-35days
7. Q420R Extra Service: Pretreatment (Shot Blasting, Sand Blast, Painting and Galvanized), Cutting Parts, Sample Service, Third Party inspection, UT Test and Size inspection.
8. If you have any requirement in steel plate for Q420R, whether the new plate or stock list of material, please feel free to contact us by email of calling.
9. If you had any question at our plate or service. Please contact our after service department to get faster reply.
Unitedsteel Group Company Principle
More Cheaper Price,
More Faster Delivery,
The Best Company Prestige,
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The One step Steel material Solution
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Supplementary Requirements
S2. Product Analysis, S8: Ultrasonic Examination
S3: Simulated pos-weld heat treatment of mechanical
S15: Reduction of area measurement and test coupons
S18: Maximum Tensile strength
S6: Drop weight test
S30：Charpy V notch impact test for structural shapes
Welcome to Unitedsteel Group and any requirement in steel material, please feel free to contact us.
Unitedsteel Bolier Plate Factory are specialized in producing and exporting GB/T 713 Q420R NACE MR0175, MR0103 Boiler steel plate, Low alloy and high strength steel plate, heavy plate and wide, heavy plate, Which is a large steel plate supplier mill at Unitedsteel Group.
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