ASTM A192 / A192M - 17 Seamless Carbon Steel Boiler Tubes for High-Pressure Service
ASTM A192 covers minimum-wall-thickness, seamless carbon steel boiler and superheater tubes for high-pressure service.
The tubing sizes and thicknesses usually furnished to this specification are 1/2 in. to 7 in(12.7 to 177.8 mm) outside diameter and 0.085 to 1.000 in(2.2 to 25.4 mm), inclusive, in minimum wall thickness. Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.
The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in non-conformance with the specification. The inch-pound units shall apply unless the "M" designation of this specification is specified in the order.
Outside Diameter: 12.7-177.8mm
Wall Thickness: 2.2-25.4mm
Length: 6-32m
Type: Straight Tube, U-Bend Tube
ASTM A192 High-Pressure Carbon Steel Boiler Tube Chemical Composition:
|
Grade |
Chemical composition(%) |
|||||
|
C |
Type |
C |
Si |
Mn |
P | S |
|
ASTM A192 |
S=Seamless |
0.06~0.18 |
0.25Max |
0.27~0.63 |
0.035Max |
0.035Max |
A192 Boiler Tube Mechanical Property:
|
Grade |
Elongation % |
Tensile Test MPa or N/mm2 |
|
|
A |
Min Yield Strength |
Tensile Strength | |
|
ASTM A192 |
=35 |
=180 |
=325 |
ASTM A192 steel tube for Boiler Hardness Requirement:
|
Brinell Hardness Number |
Rockwell Hardness Number |
|
(Tubes 0.200 in. [5.1 mm] and over in wall thickness) |
(Tubes less than 0.200 in. [5.1 mm] in wall thickness) |
|
137 HB |
77 HRB |
Testing & Certification
Hydrostatic Testing: Every tube is tested to ensure leak-proof performance.
Non-Destructive Testing (NDT): Eddy current or ultrasonic testing available.
Certification: MTC provided with all shipments (EN 10204 3.1/3.2).
FAQ
Q: Is ASTM A192 equivalent to other standards?
A: Yes. It is similar to EN 10216-2 P195GH and JIS G3461 STB340.
Q: What is the delivery time?
A: Stock items ship in 3-5 days. Custom orders require 15-20 days.
Q: Can you provide galvanized ASTM A192 tubes?
A: Yes. We offer hot-dip galvanizing for corrosion protection upon request.
Q: Do you serve international markets?
A: Absolutely. We export globally and handle all shipping and documentation.
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