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ASTM A336/A336M : 09

Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts

Standard Details

1.1 This specification covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associated equipment.

1.2 Forgings made of steel grades listed in Specification A 335/A 335M, may also be ordered under this specification. The chemical, tensile, heat treatment, and marking requirements of Specification A 335/A 335M shall apply, except the forging shall conform to the chemical requirements of Tables 1 and 2 of Specification A 335/A 335M only with respect to heat analysis. On product analysis they may deviate from these limits to the extent permitted in Table 1 of this specification.

1.3 Supplementary Requirements S1 to S9 are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.

1.4 Unless the order specifies the applicable M specification designation, the material shall be furnished to the inch-pound units.

1.5 Specification A 336/A 336M formerly included austenitic steel forgings, which are now found in Specification A 965/A 965M.

1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

TABLE 1 Tensile Requirements

Ferritic Steels
Grade
F1F11,
Class 2
F11,
Class 3
F11,
Class 1
F12F5F5AF9F6F6NMF21,
Class 3
F21,
Class 1
F22,
Class 3
F22,
Class 1
F91F911F3VF3VCbF22V
Tensile
strength,
ksi [MPA]
70-
95
[485-
660]
70-
95
[485-
660]
75-
100
[515-
690]
60-
85
[415-
585]
70-
95
[485-
660]
60-
85
[415-
585]
80-
105
[550-
725]
85-
110
[585-
760]
85-
110
[585-
760]
115-
140
[790-
965]
75-
100
[515-
690]
60-
85
[415-
585]
75-
100
[515-
690]
60-
85
[415-
585]
85-
110
[585-
760]
90-
120
[620-
830]
85-
110
[585-
760]
85-
110
[585-
760]
85-
110
[585-
760]
Yield strength,
min, ksi [MPa]
40
[275]
40
[275]
45
[310]
30
[205]
40
[275]
36
[250]
50
[345]
55
[380]
55
[380]
90
[620]
45
[310]
30
[205]
45
[310]
30
[205]
60
[415]
64
[440]
60
[415]
60
[415]
60
[415]
Elongation in
2 in. or
50 mm, min, %
20201820202019201815192019202020181818
Reduction
of area,
min, %
40404045404035403545404540454040454545

General Information

Status : Historical
Standard Type: Main
Document No: ASTM A336/A336M : 09
Document Year: 2009
Pages: 8
  • Section Volume:
  • 01.05 Volume 01.05 Steel--Bars, Forgings, Bearing, Chain, Tool
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