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ASTM A455 Steel Plates

ASTM A455 Steel Plates

100% Quality Tested ASTM A455 Steel Plates

  • ASTM A455 Steel Plates available for sale in thickness: 6MM to 300MM, width: 1500mm to 4050mm, and length: 3000mm to 15000mm

If you are interested in purchasing ASTM A455 steel plates, or have any queries, please feel free to email us on sales@metline.in or call us on +919892451458

Metline is a specialized supplier of ASTM A455 steel sheets and plates. We can offer ASTM A455 pressure vessel steel plates in a variety of thickness and sizes at reasonable prices. ASTM A455 is either available as ex–stock or directly shipped from the mill to our customers across the globe.

ASTM A455 it is a specification covers high-tensile strength carbon-manganese steel plates intended for welded pressure vessels. Plates are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both. The steel shall conform to the chemical composition requirements. The plates, as represented by the tension test specimens, shall conform to the mechanical property requirements.

Chemical Composition of ASTM A455 Steel Plate

Grade C max Si max Mn P S Cu min V Al Cr Mo max N Nbmax Ni max Ti max Nb+Ti+V
max max max min max max max
A 445 0.18 0.4 0.5- 0.03 0.03 0.3 0.05 0.02 0.3 0.08 0.02 0.05 0.5 0.03 0.05

Mechanical Properties of ASTM A455 Steel Plates

Grade Thickness (mm) Tensile strength Rm for product thickness in mm Upper yield stress ReH for product thickness in mm Elongation after fracture
(Lo=5 do) % min
A 445 ≤ 16 370-490 275 23
16-35 275
35-50 265
50-70 255
70-100 350-470 235
100-150 225
> 150 24

Additional information

Product Name

ASTM A455 Steel Plates

Product Description

ASTM A455 the Si element should be less 0.13% at products analysis. That is different with GB Q235B,and JIS SS400, and EN S235JR, ASTM A36 carbon steel plates. Although the tensile and yield are nearly the same.


ASTM A455 is the Standard Specification for Pressure Vessel Plates, Carbon Steel, High-Strength Manganese.


Not Available


6MM to 300MM


1500mm to 4050mm


3000mm to 15000mm


Mill Test Reports Available as per EN 10204 3.1

FOB Price


Port of Loading

India, China, Europe, UAE


Break Bulk or on Pallets, as may be required by Customers


7-30 Days


Storage Tanks, Low Pressure Vessels, Temperature Controlled Vessels, Heat Exchangers, Pressure Vessels and Boilers