ASTM A105 Properties (Chem., Mech. & Rankings)

In this post I'll talk about and give details about ASTM A105. First let's describe it and then have a look at its material's properties.

What is ASTM A105?

ASTM A105 is a Specification for Carbon Steel Forgings, for Piping Applications.

Category

Steel Billets and Forgings

Scope

This specification covers forged carbon steel piping components for ambient-and higher-temperature service in pressure systems. Included are flanges, fittings, valves, and similar parts.

Ok let's start with ASTM A105 chemical composition.

Chemical Composition

C max.

0.35

Mn

0.6 - 1.05

P max.

0.035

S max.

0.040

Si

0.10 - 0.35

Cu max.

0.40

Ni max.

0.40

Cr max.

0.30

Mo max.

0.12

V max.

0.08

Learn more about chemical composition.

Now it's the mechanical properties turn:

Yield Strength

36 ksi (250 MPa) min

Learn more about what is yield strength.

Tensile Strength

70 ksi (485 MPa) min

Learn more about what is tensile strength.

Elongation (min.) 50 mm

0.3.

Learn more about what is elongation.

Reduction of Area (min. %)

0.3.

Learn more about reduction of area.

Hardness Requirements

187 HB máx.

Learn more about what is hardness.

Density

7800 - 8000 kg/m3 (around 7.9 g/cm3 or 0.285 lb/in3).

Learn more about density.

Elastic Modulus

190 GPa (27557 ksi) - 210GPa (30458 ksi).

Learn more about the Elastic Modulus.

Poisson's Ratio

0.27 – 0.30.

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 A105 currently ranks 80 in my yield strength index. This means there are other 79 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 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 A105 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

A 266/A 266M Specification for Carbon Steel Forgings⁣
for Pressure Vessel Components⁣
A 370 Test Methods and Definitions for Mechanical Testing⁣
of Steel Products⁣
A 675/A 675M Specification for Steel Bars, Carbon, Hot-⁣
Wrought, Special Quality, Mechanical Properties⁣
A 696 Specification for Steel Bars, Carbon, Hot-Wrought⁣
or Cold-Finished, Special Quality, for Pressure Piping⁣
Components⁣
A 788 Specification for Steel Forgings, General Requirements⁣
A 961 Specification for Common Requirements for Steel⁣
Flanges, Forged Fittings, Valves, and Parts for Piping⁣
Applications⁣

COMMENTS

Who is Gelson Luz anyway?


Gelson Luz is a Mechanical Engineer, expert in welding and passionate about materials. Search for "Gelson Luz" in your favorite browser to learn more.
Name

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,171,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Austenitic,56,Boiling-Point,94,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,309,Duplex,6,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,Group-Number,218,HCS,14,Heat-of-Fusion,87,Heat-of-Vaporization,85,HMCS,16,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,LCS,21,List,281,Martensitic,6,MCS,17,MDS,14,Melting-Point,96,MS,4,NCMDBS,6,NCMDS,31,NCS,2,NMDS,8,Oxidation-States,104,Period-Number,107,Properties,40,RCLS,1,RCS,16,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,Valence-Electrons,98,
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