A387 Pressure Vessel Steel Plate DescriptionASTM A387 Boiler vessel plates are chrome-molybdenum alloy steel plates suitable for welding boilers and high temperature pressure vessels. ASTM A387 boiler container plate is divided into grade 5, grade 9, grade 11, grade 12, grade 22, grade 91 and other
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Carbon Steel Plate
A387 Pressure Vessel Steel Plate
- Date.October 31, 2024
- Category.Carbon Steel Plate
- Keyword.Big fire special steel, high strength steel plate, steel industry supply and demand, steel suppliers
A387 Pressure Vessel Steel Plate Description
ASTM A387 Boiler vessel plates are chrome-molybdenum alloy steel plates suitable for welding boilers and high temperature pressure vessels. ASTM A387 boiler container plate is divided into grade 5, grade 9, grade 11, grade 12, grade 22, grade 91 and other grades according to the alloy elements contained. Except for grades 21L, 22L, 91 and 911, each grade of ASTM A387 boiler vessel plate has two tensile strength categories according to its heat treatment: Class 1 and Class 2.
Product Parameters
Product Name A387 Pressure Vessel Steel Plate Production Process Hot Rolling, Cold Rolling Material Standards AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc. Width 100mm-3000mm Length 1m-12m, or Customized Size Thickness 0.1mm-400mm Delivery Conditions Rolling, Annealing, Quenching, Tempered or Standard Surface Process Ordinary, Wire Drawing, Laminated Film
Chemical Composition
A387 UNS C Mn P S Si Cr Mo Level 5 S50200 ≤ 0.15 0.25-0.66 0.025 0.025 ≤ 0.55 3.90-6.10 0.40-0.70 Level 9 K90941 ≤ 0.15 0.25-0.66 0.025 0.025 ≤ 1.05 7.90-10.10 0.85-1.15 Level 11 K11789 0.04-0.17 0.35-0.73 0.025 0.025 0.44-0.86 0.94-1.56 0.40-0.70 Level 12 K11757 0.04-0.17 0.35-0.73 0.025 0.025 0.13-0.45 0.74-1.21 0.40-0.65 Level 22 K21590 0.04-0.15 0.25-0.66 0.025 0.025 ≤ 0.50 1.88-2.62 0.85-1.15 Class 22L K21590 ≤ 0.12 0.25-0.66 0.025 0.025 ≤ 0.50 1.88-2.62 0.85-1.15 Class 91 K90901 0.06-0.15 0.25-0.66 0.025 0.012 0.18-0.56 7.90-9.60 0.80-1.10
Mechanical Properties
A387 Category Tensile Strength Mpa Yield Strength Mpa Elongation Gauge length 2in.[50mm]% Level 5 Section Category 1 415-585 205 18 Section Category 2 515-690 310 18 Level 9 Section Category 1 415-585 205 18 Section Category 2 515-690 310 18 Level 11 Section Category 1 415-585 240 22 Section Category 2 485-620 310 22 Level 12 Section Category 1 380-550 230 22 Section Category 2 450-585 275 22 Level 22 Section Category 1 415-585 205 18 Section Category 2 515-690 310 18
Physical Performance
Physical Performance Metric Imperial Density 7.7-8.03 g/cm3 7.7-8.03 g/cm3
Scope of Application
The molybdenum composition in ASTM A387 boiler vessel plate can improve its tensile strength at high temperature, and make it have higher oxidation and corrosion resistance by increasing the lattice strain. ASTM A387 Boiler Container Plates are ideal for use in heat-resistant pressure vessels and sour gas environments.
Equivalent Material
American StandardASTM European StandardASME German StandardEN 10028 English standardDIN Legal standardBS Russian standardAFNOR 36206 A387 5 SA387 5 X12CrMo5 - - - A387 9 SA387 9 - - - - A387 11 SA387 11 13CrMoSi5-5 - 621B - A387 12 SA387 12 13CrMo4-5 13CrMo44 620B 15CD2.05 A387 22 SA387 22 10/11CrMo9-10 10CrMo9-10 622-515B 12CD9-10 A387 91 SA387 91 10CrMoVNb9-1 - -- -
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