ASME SA387 and ASTM A387 Chromium-Molybdenum Steel Plate for Boiler and Pressure Vessel Applications

Price Negotiable
Price: US $650-1,120 / Ton
MOQ: 1 Ton
Delivery Time: Negotiable
Product Description
ASME SA387 and ASTM A387 Gr. 11/12/22 Boiler and Pressure Vessel Steel Sheet Plate
ASME SA387 and ASTM A387 Chrome Moly Plate for Boiler Applications
The most commonly used steel specifications for Chrome Moly plate are ASME SA387 and ASTM A387. These specifications provide chromium-molybdenum alloy steel plates designed for pressure vessel applications in boilers and other high-temperature service environments.
  • Chemical and mechanical properties of the ASME and ASTM specifications are identical
  • Available from stock with optional cutting to size and shape as required by customer specifications
  • SA387 and A387 are standardized specifications for pressure vessel plates, alloy steel, chromium-molybdenum
Chemical Composition Requirements
Element Gr. 2 Gr. 12 Gr. 11 Gr. 22 Gr. 22L Gr. 21 Gr. 21L Gr. 5 Gr. 9 Gr. 91*
C 0.05-0.21 0.05-0.17 0.05-0.17 0.05-0.15 0.10 0.05-0.15 0.10 0.15 0.15 0.08-0.12
Mn 0.55-0.80 0.40-0.65 0.40-0.65 0.30-0.60 0.30-0.60 0.30-0.60 0.30-0.60 0.30-0.60 0.30-0.60 0.30-0.60
P 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.020
S 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.010
Si 0.15-0.40 0.15-0.40 0.50-0.80 0.50 0.50 0.50 0.50 0.50 1.00 0.20-0.50
Cr 0.50-0.80 0.80-1.15 1.00-1.50 2.00-2.50 2.00-2.50 2.75-3.25 2.75-3.25 4.00-6.00 8.00-10.00 8.00-9.50
Mo 0.45-0.60 0.45-0.60 0.45-0.65 0.90-1.10 0.90-1.10 0.90-1.10 0.90-1.10 0.45-0.65 0.90-1.10 0.85-1.05
V - - - - - - - - 0.04 0.18-0.25
Tensile Requirements - Class 1 Plates
Grade Tensile (MPa) Yield (MPa) Elong. (50mm) Reduction of Area*
2, 12 380 - 550 230 min 22% min -
11 415 - 585 240 min 22% min -
22, 21, 5, 9 415 - 585 205 min 18% min 40% min
21L, 22L 415 - 585 205 min 18% min 40% min
Tensile Requirements - Class 2 Plates
Grade Tensile (MPa) Yield (MPa) Elong. (50 mm) Reduction of Area*
2 485 - 620 310 min 22% min -
11 515 - 690 310 min 22% min -
12 450 - 585 275 min 22% min -
22, 21, 5, 9 515 - 690 310 min 18% min 40% min
91 585 - 760 415 min 18% min -
These materials conform to ASTM standard pressure vessel steel specifications for high-temperature and high-pressure applications.
Product Images
ASME SA387 Chrome Moly steel plate product display ASTM A387 pressure vessel steel plate close-up view Chrome Moly boiler plate material surface texture Industrial pressure vessel steel plate inventory

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person Gao Ben

Request A Quote

Please check your email address.
Your message must be at least 20 characters.