ASTM A387 GR.91 CL.1

ASTM A387 GR.91 CL.1 High Strength Heat Resistant Alloy Steel Plate Solution

Conquest Steel & Alloys is a leading supplier and exporter of ASTM A387 GR.91 CL.1 alloy steel plates, a high-grade material that offers outstanding performance at high pressure and temperature. These plates made of chromium-molybdenum steels are designed to meet the demands of welded pressure vessels and boilers where high-temperature service is a requirement.

Produced to ASTM A387 standards, the Grade 91 Class 1 possesses a distinctive blend of mechanical strength, resistance to creep, and corrosion resistance. The inclusion of 9% chromium and 1% molybdenum gives this grade its superior characteristics, making it suitable for applications in power plants, petrochemical installations, refineries, and other high-demanding conditions.

Conquest Steel & Alloys promises quality-inspected materials, offered in different sizes, thicknesses, and specifications of choice. We offer MTCs (Mill Test Certificates) with each product, guaranteeing international standards compliance.

Features:

  • Superior high-temperature oxidation and corrosion resistance
  • Excellent weld and formability
  • High tensile and yield strength
  • Increased service life in extreme conditions
ASTM A387 GR.91 CL.1 Specification:
Grade : ASTM A387 GR.91 CL.1
Standard : ASTM A387
Thickness : 6mm to 150mm
Width : 1000mm to 3000mm
Length : 2500mm to 12000mm
Elongation : ≥ 18%
Tensile Strength : 585 – 760 MPA
Yield Strength : 415 MPA
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