Products
We have professional sales team numbered 200 with more than 16 years experience.
Position:
Home > Products > Steel Plate > Boiler Pressure Vessel Steel
SA387 GR.21 CL1 Pressure vessel steel plate
SA387 GR.21 CL1 Pressure vessel steel plate
SA387 GR.21 CL1 Pressure vessel steel plate
SA387 GR.21 CL1 Pressure vessel steel plate

SA387 GR.21 CL1 Pressure vessel steel plate

ASME SA387 is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 1.25% and the Mo content 0.5%. Chrome moly plate under ASME SA387 in serveral grades that has different alloy contents as below, common use grades are Gr 11, 12,21,22, 5, 9 and 91.
SA387 GR.21 CL1 Pressure vessel steel plate Descriptions:
ASTM A387 Gr 21 CL 1 is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 3.00 % and the Mo content 1.00 %. Each grade except grade 21L, Grade 22L, Grade 91 and Grade 911 is available in two classes of tensile strength levels.

ASTM A387 GRADE 5 Class 1 - Alloy steelASTM A387 GRADE 5 Class 1 A high quality ASTM A387 GRADE 5 Class 1 or chrome molybdenum alloy steel plate intended specifically for use in weldable carbon steel pressure vessels at elevated temperatures. Added molybdenum gives the material greater temperature tensile strength and the chromium provides improved corrosion resistance.

ASTM A387 Grade 11 Class 1 steel plates for pressure somalia a387 grade 5 class1ASTM A387 Grade 11 Class 1 is in the standard ASTMA-387 SA-387M .A387 Grade 11Class 1 is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels.A387 have ten grades or levels. They are grade 2 , grade 12 , grade 11 , grade 22 , grade 22L , grade 21 , grade 21L , grade 5 , grade 9 , grade 91.
Chemical Composition and Mechanical Properties:
SA387 Gr.21L CL.1 Chemical Composition
Grade The Element Max (%)
C Si Mn P S Cr Mo
SA387 Gr.21L Cl.1 0.12 0.50 0.25-0.66 0.035 0.035 2.63-3.37 0.85-1.15

 SA387 Gr.21L CL.1 Mechanical Property
Grade SA387 Gr.21L CL.1 Mechanical Property
Thickness Yield Tensile Elongation
SA387 Gr.21L Cl.1 mm Min Mpa Mpa Min  %
t≦50 205 415-585 18
50<t≦200 - - -
 

Refered Standards for ASME SA387 Alloy Steel Plate

ASME

  • SA20/A20M: General requirements for pressure vessel plates.
  • SA370: Test specification for mechanical properties of steel
  • SA435/A435M: For straight-beam ultrasonic examination of steel plates
  • SA577/A577M: For ultrasonic angle beam examination of steel plates
  • SA578/A578M: For straight beam UT examination of rolled steel plates in special applications
  • SA1017/A1017M: Specification for pressure vessle plates of alloy steel, chromium-molybdenum-tungsten


AWS Specification

  • A5.5/A5.5M: Low alloy steel electrodes for shield metal arc welding.
  • A5.23/A5.23M: Low alloy steel electrodes for fulxes for submerged arc welding.
  • A5.28/A5.28M: For gas shielded arc welding
  • A5.29/A5.29M: For flux cored arc welding.


Heat Treatment for SA387 Chrom Moly Alloy Steel Plate 

Chrome moly alloy steel plate under ASME SA387 shall be killed steel, with thermally treated either by annealing, normarlizing and tempering. Or in case agreed by buyer, accelerated cooling from the austenitizing temperature by air blasting or liquid quenching, followed by tempering, minimum tempering temperatures shall be as below table:
Grade Temperature, °F [°C]
2, 12 and 11 1150 [620]
22, 22L, 21, 21L and 9 1250 [675]
5 1300 [705]











Related Products
ASTM Pressure Vessel Steel Plate
en10028 Pressure Vessel Steel Plate
ASME Pressure Vessel Steel Plate
boiler steel plate
ASME SA302GrC+S5 Boiler Pressure Vessel Steel Plate
A285 GR.C Pressure vessel steel plate
ASTM A285 Grade B steel plate
ASTM A285 Grade A Boiler steel plate
ASME SA 387 GRADE 22 Class 1
ASME SA 387 GRADE 12 Class 2
ASME SA 387 GRADE 22 Class 2
ASME SA 387 GRADE 12 Class 1
ASME SA387 GR.22 CL2 Boiler and Pressure Vessel Steel plate
ASME SA387 GR.22 CL1 Pressure Vessel Steel plate
SA387 GR.12 CL2 Pressure Vessel Steel plate
SA387 GR.12 CL1 Alloy Pressure Vessel steel plate
ASME SA387 GR.11 CL2 Pressure Vessel Steel plate
ASTM A537 cl3 Alloy Pressure Vessel steel plate
A537 CLASS 2 Heat treated Boiler steel plate
A537 CL1 Normalized Pressured Vessel Steel Plate
ASTM A537  Class 1,2,3 Boiler and Pressure vessel steel plate
ASME SA 387 GRADE 11 Class 2
ASTM A537
ASME SA387 Grade 11
ASME SA353 Ni-alloy steel plates
ASME SA553 Steel plate
06Ni9DR
DIN Standard 10CrMo910 Pressure Vessel Steel Plate
JIS G3103 SB480M Boiler Steel Plate
Inquiry
* Name
* E-mail
Phone
Country
Message