Limestone Quarry Plant

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ASTM A192 CARBON STEEL SEAMLESS BOILER PIPE

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ASTM A192: SEAMLESS CARBON STEEL BOILER TUBES FOR HIGH PRESSURE SERVICE 

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ASTM A192 —– American Society for Testing Materials standard 
ASME SA192 —- American Society of Mechanical Engineers standards 
 
Chemical Composition                    
Steel Grade C % Mn % Si % P % S % Cu %  Ni % Mo %  Cr %  V %
SA192 0.06-0.18 0.27-0.63 0.25 max 0.035 max 0.035 max          
Mechanical Properties                    
Steel Grade Tensile Strength MPA Yield Strength MPA Elongation % HRB
SA192 325 min 180 min 35 min 77 max
Dimensional Tolerance
Type of the Steel pipe Out Diameter Wall Thickness
Cold  Drawn  Pipe Out Diameter  Tolerance ange Tolerance Range
>25.4 ± 0.1 0-20%
25.4-38.1 ± 0.15
38.1-50.8 ± 0.2 0-22%
50.8-63.5 ± 0.25
63.5-76.2 ± 0.3
76.2-101.6 ± 0.38
101.6-180 -0.64 / +0.38
 
This abstract is a brief summary of the referenced standard. It is informational only and not an official part 
of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does 
not give any warranty express or implied or make any representation that the contents of this abstract are 
accurate, complete or up to date.
 
This guide covers standard specifications for minimum-wall-thickness, seamless carbon steel boiler and 
superheater tubes for high-pressure service. The steel shall conform to the required chemical composition 
for carbon, manganese, phosphorus, sulfur, and silicon. The tubes shall have a hardness number not 
exceeding a specific value. The following mechanical tests shall be conducted, namely: flattening test; 
flaring test; hardness test; and hydrostatic test. 
 

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