A537 Class 1

Heat-treated carbon-manganese-silicon steel plates designed for fusion-welded pressure vessels, boilers, and structural applications under ASTM and ASME standards. Class 1 plates are supplied in normalized condition with thicknesses up to 6″ and widths up to 160″.
overView

Certified material. Clear documentation.

Heat-treated carbon-manganese-silicon steel plates intended for fusion-welded pressure vessels and structures as well as fabrication of boilers. Both under ASTM and ASME standards Class 1 plates shall be delivered in Normalized condition.  The dimensional steel plate supply ranges from;

  • 1/4 inches [6mm] up to 6 inches [150mm] in thickness

  • 40 inches [1000mm] up to 160 inches [4050mm] wide

  • up to 82 feet [25m] long

Seamless Procurement, Quality & Logistics
Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

CHEMICAL PROPERTIES
% Carbon Manganese Phosphorus Silicon Sulfur Chromium Molybdenum Nickel Copper
min. - 0.70 - 0.15 - - - - -
max. 0.24 1.35 0.035 0.50 0.035 0.025 0.080 0.25 0.35
MECHANICAL PROPERTIES
Thickness Range Yield Strength (min) Tensile Strength (min) Tensile Strength (max) Elongation (min)
up to 2 1/2" [65mm] 50 ksi [345 MPa] 70 ksi [485 MPa] 90 ksi [620 MPa] 22%
2 1/2" [65mm] to 4" [100mm] 55 ksi [310 MPa] 65 ksi [450 MPa] 85 ksi [585 MPa] 22%

Send us your requisition

Material lists, drawings or heat requirements — our desk responds with a full RFQ within one business day.