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FPS (Consistent)
IPS (Consistent)
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S31050, ASME SA312/SA312M, Pipe
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Chemical Composition
Base Element
Fe (Iron)
C (Carbon)
0.025
% (maximum)
Cr (Chromium)
24 to 26
%
Mn (Manganese)
2
% (maximum)
Mo (Molybdenum)
1.6 to 2.6
%
N (Nitrogen)
0.09 to 0.15
%
Ni (Nickel)
20.5 to 23.5
%
P (Phosphorus)
0.02
% (maximum)
S (Sulfur)
0.015
% (maximum)
Si (Silicon)
0.4
% (maximum)
Mechanical Properties
Tabular Data
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Dimensions
Yield Strength (10^7 dyne/cm^2)
Ultimate Tensile Strength (10^7 dyne/cm^2)
Elongation (% strain)
Thickness, 0.25 in. max
≥ 269
≥ 579
≥ 25
Thickness, 0.25 in. min
≥ 255
≥ 538
≥ 25
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Yield Strength
255
10^7 dyne/cm^2 (minimum)
Ultimate Tensile Strength
538
10^7 dyne/cm^2 (minimum)
Elongation
25
% strain (minimum)
Notes on Mechanical Properties
Elongation in 2 in.
Other Information
Material Class
Ferrous Alloy
Alloy Family
High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels)
Alloy Group
Nickel steel and nickel low-alloy steel
Alloy Sub-Group
Nickel chromium alloy
Country
USA
Standards Body
ASME (USA)
Description
Austenitic stainless steel seamless, straight-seam welded, and heavily cold-worked welded pipe; longitudinal
Designation
S31050
Specification Type
Standard
Specification
ASME SA312/SA312M
Specification Status
Active
Similar US Grade
S31050
Similar UNS Number
S31050
Source
BPVC Section II-Materials-Part A-Ferrous Materials Specifications
Organization
ASME International (ASME)
Available forms
Pipe
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Organizations
ASME International (ASME)
No warranty is given for the accuracy of these data
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