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Flange Material ---- ASTM A105

Writer:Rongcheng Technical DepartmentNumber of visits: Date:2013-10-27 13:31

When doing international business of forged flanges and ring forgings, A105 is a usually use carbon steel material for ring forgings and flanges. Especially for the customers who choose ASTM standard as their flanges or forgings’standard, this is very important to them.

 

So as a manufacturer and exporter, it is very important to know A105’s chemical composition and its technical properties, knowing this will be helpful for us to control the quality of forging products during manufacturing.

 

ASTM A105’s chemical compositions:

 

Steel Grade

composition%

max

Mn

P

max

S

max

Si

Cu

max

Ni

max

Cr

max

Mo

max

V

max

ASTM A105

0.35

0.60-1.05

0.035

0.04

0.10-0.35

0.40

0.40

0.30

0.12

0.08

 

Accoring to C’s composition below 0.35%, when decrease 0.01 C’s composition, the Mn’s composition increase 0.06%, max to be 1.35%。And the total composition of Cu、Ni、Cr、V should be less than 1.00%. The composition of Cr and Mo should be below 0.32%.

 

ASTM A105’s technical properties:

 

Steel Grade

Tensile Strength σb/

MPa

Yield Strength σs/

MPa

Elongation δs

%

Reduction of area ψ/

%

Impact

Aκ/J

Hardness/

HB

A105

≥485

≥250

≥22

≥30

≤187