ASTM A192/ASME SA192 Seamless Carbon Steel Boiler Tubes

ASTM A192 —– American Society for Testing Materials standard
ASME SA192 —- American Society of Mechanical Engineers standards
This guide covers standard specifications for minimum-wall-thickness, seamless carbon steel boiler andsuperheater 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.
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 standard is issued under the fixed designation A 192/A 192M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon ( ε) indicates an editorial change since the last revision or reapproval. This specification has been approved for use by agencies of the Department of Defense. Consult the DoD Index of Specifications and Standards for specific year of issue which has been adopted by the Department of Defense.

Name:
ASTM A192 Seamless Carbon Steel Boiler Tubes

Size (mm):
O.D.: 6.0~114.0; W.T.: 1~15; L: max 12000

Description：

► Standards: ASTM A192 (ASME SA192)
► Applications: A wide range scope: heat exchangers, condensers, heat transfer equipment, similar pipes and as superheater tubes for high pressure settings.
► Grade: A 192

Chemistry Composition

C, %	Mn, %	Si, %	P, %	S, %
0.06-0.18	0.27-0.63	0.25 max	0.035 max	0.035 max

 

 

Mechanical Properties

Tensile Strength , MPa	Yield Strength , MPa	Elongation, %	Hardness, HB, WT≥5.1mm	Hardness, HRB, WT＜5.1mm
325 min	180 min	35 min	137 max	77 max

 

 

 

Outside Diameter & Tolerance

Hot rolled	Outside Diameter, mm	Tolerance, mm
	OD≤101.6	+0.4/-0.8
	101.6＜OD≤177.8	+0.4/-1.2
	Cold Drawn	Outside Diameter, mm	Tolerance, mm
OD＜25.4		±0.10
25.4≤OD≤38.1		±0.15
38.1＜OD＜50.8		±0.20
50.8≤OD＜63.5		±0.25
63.5≤OD＜76.2		±0.30
76.2≤OD≤101.6		±0.38
101.6＜OD≤177.8		+0.38/-0.64

 

 

 

 

 

 

 

 

 

 

 

 

Wall thickness & Tolerance

Hot rolled	Outside Diameter, mm	Tolerance, %
	OD≤101.6, WT≤2.4	+40/-0
	OD≤101.6, 2.4＜WT≤3.8	+35/-0
	OD≤101.6, 3.8＜WT≤4.6	+33/-0
	OD≤101.6, WT>4.6	+28/-0
	OD>101.6, 2.4＜WT≤3.8	+35/-0
	OD>101.6, 3.8＜WT≤4.6	+33/-0
	OD>101.6, WT>4.6	+28/-0
Cold Drawn	Outside Diameter, mm	Tolerance, %
	OD≤38.1	+20/-0
	OD>38.1	+22/-0

 

 

 

 

 

 

 

 

 

 

 

 

Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.

 

Test:

1.Hydrostatic or Nondestructive Electric Test2.Heat Treatment:Min temperature 650.3.Surface Condition:Free of scale,A slight amount of oxidation will not be considered as scale.4.Flattening Test,Flaring Test.Flange Test,Hardness Test,Hydrostatic Test