What is ASTM A387?ASTM A387 is a Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum.
CategorySteel Plates, Sheets, and Strip for Pressure Vessels
ScopeThis specification covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service.
Ok let's start with ASTM A387 chemical composition.
Mn0.30 - 0.60
Cr4.00 - 6.00
Mo0.45 - 0.65
Learn more about chemical composition.
Now it's the mechanical properties turn:
Grade 545 ksi (310 MPa) min.
Learn more about what is yield strength.
Grade 575 - 100 ksi (515 - 690 MPa)
Learn more about what is tensile strength.
Elongation (min.) 50 mm0.18.
Learn more about what is elongation.
Reduction of Area (min. %)0.45.
Learn more about reduction of area.
Allowable StressDepends on the project (And its factor of safety).
Learn more about the what is allowable stress.
My Material's RankWhile engineers will often look for the cheapest material they can use, I took a different approach to material's selection to help newbie students.
I ranked materials according to their yield strengths and ASTM A387 currently ranks 60 in my yield strength index. This means there are other 59 materials that are more resistant.
Note: I've analysed 134 materials in order to create an yield strength index. Check my astm material's comparison post for more details.
ASTM ClassroomAre you having trouble understanding the basics of ASTM?
What is the difference between Code, Standard & Specification?
This video will walk you through:
CitationWhen you need to include a fact or piece of information in an assignment or essay you should also include where and how you found that piece of information.
That gives credibility to your paper and it is sometimes required in higher education.
To make your life (and citation) easier just copy & paste the information below into your assignment or essay:
Luz, Gelson. ASTM A387 Properties (Chem., Mech. & Rankings). Materials Blog. Gelsonluz.com. dd mmmm. yyyy. <URL>
Now replace dd, mmmm and yyyy with the day, month, and year you browsed this page. Also replace URL for the actual url of this page (The < and > stay, ok?). This citation format is based on MLA.
Other ReferencesA20/A20M Specification for General Requirements for
Steel Plates for Pressure Vessels
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products
A435/A435M Specification for Straight-Beam Ultrasonic
Examination of Steel Plates
A577/A577M Specification for Ultrasonic Angle-Beam Examination
of Steel Plates
A578/A578M Specification for Straight-Beam Ultrasonic
Examination of Rolled Steel Plates for Special Applications
A1017/A1017M Specification for Pressure Vessel Plates,
Alloy Steel, Chromium-Molybdenum-Tungsten
2.2 AWS Specifications:
A5.5/A5.5M Low-Alloy Steel Electrodes for Shielded
Metal Arc Welding
A5.23/A5.23M Low-Alloy Steel Electrodes and Fluxes for
Submerged Arc Welding
A5.28/A5.28M Low-Alloy Steel Electrodes and Rods for
Gas Shielded Arc Welding
A5.29/A5.29M Low-Alloy Steel Electrodes for Flux Cored