ASME/ASTM A181

 

Carbon Steel Forgings for General-Purpose Piping to ASTM A 181/A 181M Standard

Use:

The forged carbon steel piping components manufactured under the A181 steel specification are suitable for general service. 
We can not only supply Flanges under this grade, but also fittings, valves, and similar parts ordered either to dimensions specified by the customer or to dimensional standards such as the ANSI, MSS, ASME, EN and API specifications.

A181 Chemical Properties

 

Composition

Carbon, max

0.35

Manganese

1.10

Phosphorus, max

0.05

Sulphur, max

0.05

Silicon

0.10-0.35

A181 Available Classes

Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500 and Class 2500

A181 Mechanical Properties

 

Composition

Class 70

Tensile Strength, min:

60,000 psi  [415 MPa]

  60,000 psi  [415 MPa]

Manganese

36,000 psi  [205MPa]

  36,000 psi  [205MPa]

Phosphorus, max

35% min

  24% min

Elongation in 2 in [50mm]

22% min

  18% min

We can supply:

Forgings and flanges with Nominal Size ranging from NPS 1/2 to 24. However, larger forgings 
(above 10,000lb weight) can be supplied under ASTM A-266. Please contact us for more details.
Comments