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P355nl1 Boiler Pressure Vessel Steel Plate Astm 285 C ASTM A387 Cr-Mo Alloy Steel

Categories Carbon Steel Plate
Certification: ISO TUV SGS BIS CE
Place of Origin: Shandong China
MOQ: 3Tons
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram,OA
Supply Ability: 5000Tons Per Months
Delivery Time: 5-15days depend on the quantity
Brand Name: TESTE
Packaging Details: With iron sheet to pack the steel sheet and pallet .Also make the shipping marks on each bundles.
Price: Negotiate
Product name: Pressure Vessel Plates
Delivery Conditon: HR,CR,AR,Q+T,N+T,N,TMCP,UT,Z Direction
Thickness: 6mm~200mm
Width: 2000mm/2200mm/2500mm
Length: 9000mm~12000mm
Product Name: Carbon Steel Plate
High light: pipe
High: pipe
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P355nl1 Boiler Pressure Vessel Steel Plate Astm 285 C ASTM A387 Cr-Mo Alloy Steel

ASTM A387 Cr-mo alloy steel pressure vessel plates

ASTM A387 is the standard specification for pressure vessel plates, alloy steel, chromium-molybdenum. These Cr-Mo alloy steel plates are primarily manufactured for welded boilers and pressure vessels for elevated temperature service.


GRADE

TypeGradeStandardApplication
Steel plates for boilers and pressure vessels

Q245R/20g,Q345R

(S)A299M
(S)A515M(Gr.60,65,70)
(S)A204M(Gr.A,B,C)
(S)A387M(Gr.11,12,22)
(S)A537M(GL.1,CL.2)
(S)A662M(Gr.A.B,C)
(S)A302M(Gr.A,B,C,D)
(S)A737M(Gr.B,C)
(S)A738M(Gr.A,B,C)
(S)A533M(,I)
P235GH,P265GH,P295GH
P355GH,16Mo3,13CrMo4-5
...

ASTM,ASME,DIN,JIS,GB

Widely used in petroleum, chemical, power station, boiler and other industries, used to make reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders, Equipment and components such as high-pressure water pipes and turbine volutes of hydropower stations.

CHEMICAL COMPOSITION-ASTM A387 Alloy Steel Plates,%

ElementCMnPSSiCrMo
Grade 20.04~0.210.50~0.880.0250.0250.13~0.450.46~0.850.40~0.65
Grade 120.04~0.170.35~0.730.0250.0250.13~0.450.74~1.210.40~0.65
Grade 110.04~0.170.35~0.730.0250.0250.44~0.860.94~1.560.40~0.70
Grade 220.04~0.150.25~0.660.0250.025≤0.051.88~2.620.85~1.15
Grade 22L≤0.120.25~0.660.0250.025≤0.051.88~2.620.85~1.15
Grade 210.04~0.150.25~0.660.0250.025≤0.052.63~3.370.85~1.15
Grade 21L0.120.25~0.660.0250.025≤0.052.63~3.370.85~1.15
Grade 5≤0.150.25~0.660.0250.025≤0.553.90~6.100.40~0.70
Grade 9≤0.150.25~0.660.0250.025≤1.057.90~10.100.85~1.15
Grade 910.06~1.150.25~0.660.0250.0120.18~0.567.90~9.600.80~1.10

HEAT TREATMENT :

  • Except for Grade 91, all ASTM A387 plates shall be thermally treated either by annealing, normalizing and tempering, or, when permitted by the purchaser, accelerated cooling from the austenitizing temperature by air blasting or liquid quenching, followed by tempering. The minimum tempering temperatures for grades (2, 12 & 11), grades(22, 22L, 21, 21L & 9), grades 5 are respectively 1150°F[620°C], 1250°F[675°C], 1300°[705°C].
  • Grade 91 plates shall be thermally treated, either by normalizing and tempering or by accelerated cooling from the austenitizing temperature by air blasting or liquid quenching, followed by tempering. Grade 91 plates shall be austenitized at 1900 to 1975°F [1040 to 1080°C] and shall be tempered at 1350 to 1470°F [730 to 800°C].

INSPECTION AND TEST:

The inspection and tests that shall be alternately performed on ASTM A387 alloy steel plates include: tension test, Charpy V-Notch impact test, drop weight test, high-temperature tension test, ultrasonic examination, magnetic particles examination.

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