ASTM A192 Tube
Description:
Type: Hot-finished steel pipe, cold-finished steel pipe.
Specification: OD: 12.7-177.8 mm, Schedule: 1.79-25.4 mm, Length: Single random length/ Double random length or Customized.
Standard: ASTM A192, ASME SA192
Shape: Round
Ends: Plain Ends, Beveled Ends, Coupling
Heat Treatment: Hot-finished tubes: heat treated. Cold-finished tubes: heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.
What is the ASTM A192 Steel Tube?
ASTM A192/ASME SA192 steel pipe is the standard specification for seamless carbon steel boiler tubes for high-pressure service. ASTM A192 Seamless Steel Tube is applied as minimum-wall-thickness, seamless carbon steel boiler, and superheater tubes for high-pressure service. ASTM A192 Seamless Steel Pipe is applied as minimum-wall-thickness, seamless carbon steel boiler, and superheater tubes for high-pressure service, Bestar Steel supplies ASTM A192 steel pipes in hot rolled and cold drawn delivery state, It is generally used for the high-pressure boiler (working pressure does not exceed 9.8Mpa and the working temperature between 450 ℃ -650 ℃) heating surface tubes, header, economizer, superheater, reheater.
Chemical And Mechanical Properties of ASTM A192 Steel Tube
|
Material |
C |
Si |
Mn |
P |
S |
|
|
% |
max% |
% |
max% |
Max% |
|
A192/SA192 |
0.06---0.18 |
0.25 |
0.27---0.63 |
0.035 |
0.035 |
|
Mechanical Property |
|
|
Tensile strength ksi(MPa) |
47(325) |
|
Yield strength ksi(MPa) |
26(180) |
|
Brinell Hardness Number (Tubes 0.200 in. [5.1 mm] and over in wall thickness) |
137HB |
|
Rockwell hardness number(Tubes less than 0.200in [5.1 mm] in wall thickness |
77HRB |
|
Outside |
Wall Thickness, % |
|||||||
|
0.095[2.4] and Under |
Over 0.095 to 0.150 |
Over 0.150 to 0.180 |
Over 0.180,[4.6] |
|||||
|
Over |
Under |
Over |
Under |
Over |
Under |
Over |
Under |
|
|
Seamless, Hot-Finished Tubes |
||||||||
|
4 [101.6] and under |
40 |
0 |
35 |
0 |
33 |
0 |
28 |
0 |
|
Over4[101.6] |
.... |
.... |
35 |
0 |
33 |
0 |
28 |
0 |
|
Seamless, Cold-Finished Tubes |
||||||||
|
|
Over |
Under |
||||||
|
1 1 ⁄ 2 [38.1] and under |
20 |
0 |
||||||
|
Over 1 1 ⁄ 2 [38.1] |
22 |
0 |
||||||
Outside Diameter Tolerances of ASTM A192 Steel Tube
|
Outside Diameter,in. [mm] |
Permissible Variations, in. [mm] |
|
|
Over |
Under |
|
|
Hot-Finished Seamless Tubes |
||
|
4 [101.6] and under |
1 ⁄ 64 [0.4] |
1 ⁄ 32 [0.8] |
|
Over 4 to 7 1 ⁄ 2 [101.6 to 190.5], incl |
1 ⁄ 64 [0.4] |
3 ⁄ 64 [1.2] |
|
Over 7 1 ⁄ 2 to 9 [190.5 to 228.6], incl |
1 ⁄ 64 [0.4] |
1 ⁄ 16 [1.6] |
|
Cold-Finished Seamless Tubes |
||
|
Under 1 [25.4] |
0.004 [0.1] |
0.004 [0.1] |
|
1 to 1 1 ⁄ 2 [25.4 to 38.1], incl |
0.006 [0.15] |
0.006 [0.15] |
|
Over 1 1 ⁄ 2 to 2 [38.1 to 50.8], excl |
0.008 [0.2] |
0.008 [0.2] |
|
2 to 2 1 ⁄ 2 [50.8 to 63.5], excl |
0.010 [0.25] |
0.010 [0.25] |
|
2 1 ⁄ 2 to 3 [63.5 to 76.2], excl |
0.012 [0.3] |
0.012 [0.3] |
|
3 to 4 [76.2 to 101.6], incl |
0.015 [0.38] |
0.015 [0.38] |
|
Over 4 to 7 1 ⁄ 2 [101.6 to 190.5], incl |
0.015 [0.38] |
0.025 [0.64] |
|
Over 7 1 ⁄ 2 to 9 [190.5 to 228.6], incl |
0.015 [0.38] |
0.045 [1.14] |
Length Tolerances of ASTM A192 Steel Tube
|
Method of |
Outside |
Cut Length,in. [mm] |
|
|
|
|
Over |
Under |
|
Seamless, hot-finished |
All sizes |
3 ⁄ 16 [5] |
0 [0] |
|
Seamless, cold-finished |
Under 2 [50.8] |
1 ⁄ 8 [3] |
0 [0] |
|
|
2 [50.8] and over |
3 ⁄ 16 [5] |
0 [0] |
|
|
2 [50.8] and over |
3 ⁄ 16 [5] |
0 [0] |
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