ASTM A815 Properties⚙️ (Chem., Mech. & Rankings) rev. 2022

In this post I'll talk about and give details about ASTM A815. First let's describe it and then have a look at its material's properties.

What is ASTM A815?

ASTM A815 is a Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings.

Category

Corrosion-Resisting and Heat-Resisting Steels

Scope

This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction.

Ok let's start with ASTM A815 chemical composition.

Chemical Composition

Grade UNS S31803

C max.

0.030

Mn max.

2.00

P max.

0.030

S max.

0.020

Si max.

1.0

Ni

4.5 - 6.5

Cr

21.0 - 23.0

Mo

2.5 - 3.5

N

0.08 - 0.20

Learn more about chemical composition.

Now it's the mechanical properties turn:

Yield Strength

Grade UNS S31803

65 ksi (450 MPa) min.

Learn more about what is yield strength.

Tensile Strength

Grade UNS S31803

90 ksi (620 MPa) min.

Learn more about what is tensile strength.

Elongation (min.) 50 mm

20.0%.

Learn more about what is elongation.

Reduction of Area (min. %)

Not Required.

Learn more about reduction of area.

Hardness Requirements

Grade UNS S31803

290 HBW max.

Learn more about what is hardness.

Density

7480 - 8000 kg/m3 (around 7.9 g/cm3 or 0.285 lb/in3).

Learn more about density.

Elastic Modulus

180 GPa (26107 ksi) - 210GPa (30458 ksi).

Learn more about the Elastic Modulus.

Poisson's Ratio

Usually around 0.26 – 0.31.

Learn more about the poisson ratio.

Allowable Stress

Depends on the project (And its factor of safety).

Learn more about the what is allowable stress.

My Material's Rank

While 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 A815 currently ranks 33 in my yield strength index. This means there are other 32 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.

Details and PDF

Instructions:

  1. Go to this page.
  2. Type the name of the standard you are looking for in the search box. Tip: Don't forget to include "ASTM" as a keyword.
  3. Read the details about the standard or download the PDF.

ASTM Classroom

Are you having trouble understanding the basics of ASTM?

What is the difference between Code, Standard & Specification?

This video will walk you through:

References

Citation

When 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 A815 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 References

A262 Practices for Detecting Susceptibility to Intergranular⁣
Attack in Austenitic Stainless Steels⁣
A388/A388M Practice for Ultrasonic Examination of Steel⁣
Forgings⁣
A751 Test Methods, Practices, and Terminology for Chemical⁣
Analysis of Steel Products⁣
A763 Practices for Detecting Susceptibility to Intergranular⁣
Attack in Ferritic Stainless Steels⁣
A923 Test Methods for Detecting Detrimental Intermetallic⁣
Phase in Duplex Austenitic/Ferritic Stainless Steels⁣
A960/A960M Specification for Common Requirements for⁣
Wrought Steel Piping Fittings⁣
E165 Practice for Liquid Penetrant Examination for General⁣
Industry⁣

COMMENTS

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10XX,52,11XX,17,12XX,7,13XX,4,15XX,16,3XXX,2,40XX,10,41XX,12,43XX,5,44XX,4,46XX,5,47XX,3,48XX,3,5XXX,23,6XXX,3,71XX,1,8XXX,22,92XX,5,93XX,1,94XX,4,98XX,2,AISI,66,ASTM,172,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Austenitic,56,Boiling-Point,94,bp1,97,CBS,6,Chemical-Elements,100,Chemical-Symbol,217,CMDS,13,Coefficient-of-Thermal-Expansion,85,Covalent-Radius,87,Crystal-Structure,109,CS,17,CVS,3,Density,297,Duplex,6,el1,100,Elastic-Modulus,30,Electrical-Conductivity,79,Electro-Affinity,87,Electron-Configuration,109,Electronegativity,102,Electrons-per-Shell,111,Enthalpy-of-Fusion,93,Enthalpy-of-Vaporization,95,Ferritic,12,fp1,38,fs1,45,Group-Number,218,HCS,14,Heat-of-Fusion,87,Heat-of-Vaporization,85,HMCS,16,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,l1,438,LCS,21,List,281,lp1,69,Martensitic,6,MCS,17,MDS,14,Melting-Point,96,mm1,2,mp1,99,MS,4,NCMDBS,6,NCMDS,31,NCS,2,NMDS,8,Oxidation-States,104,p1,44,Period-Number,107,pr1,53,Properties,40,RCLS,1,RCS,16,ref1,5,RRCLS,3,RRCS,4,SAE,201,Site,2,SMS,5,Specific-Gravity,83,Specific-Heat,92,Specific-Weight,1,SS,80,Tests,2,Thermal-Conductivity,105,tm1,274,Valence-Electrons,98,wt1,26,
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Materials: ASTM A815 Properties⚙️ (Chem., Mech. & Rankings) rev. 2022
ASTM A815 Properties⚙️ (Chem., Mech. & Rankings) rev. 2022
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