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ASTM A192 Boiler Tube
Product description: ASTM A192 Boiler Tube
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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