Product Details
BOILER PIPE ASTM A192
Generally supplied ASTM 192 boiler tube sizes and thicknesses to specification are 1/2 in. (12.7 to 177.8 mm) in outside diameter and 0.085 to 1,000 in. (2.2 to 25.4 mm), inclusive, with a minimum wall thickness. Tubes having other dimensions can be finished, provided the tubes meet all other requirements. The tubes will be manufactured by the continuous process and will be finished hot or cold, as specified. The mechanical property requirements do not apply to pipe less than 1/8 in. (3.2 mm) inside diameter or 0.015 in. (0.4 mm).
ASTM 192 boiler tube when inserted into the boiler will remain expanding and beaded without showing cracks or faults. Superheater tubes when handled correctly must withstand all forging, welding and bending operations necessary for the application without developing defects. Under this standard there are only seamless pipes and no welded pipes.
Specification
Standard: ASTM A192 / A192M seamless carbon steel boiler tubes
Material: ASTM A192 (Seamless Carbon Steel）
Size: OD1 / 2 ~ 7in. (12.7-177.8mm)
Minimum wall thickness 0.085 ~ 1,000 inches (2.2-25.4 mm)
Minimum hardness: ≥137HB, ≥77HRB
Tensile properties: TS: 325Mpa, YS: 180Mpa, EL: 35%
Chemical composition
| Standard | Grade | Chemical composition (%) | |||||||||
| do | Yes | Minnesota | P | Month | Cr | Month | Cu | Neither | V | ||
| ASTM A192 ASME SA192 | A192 | 0.06-0.18 | ≤ 0.25 | 0.27-0.63 | ≤ 0.035 | ≤ 0.035 | / | / | / | / | / |
Mechanical propertya
| Standard | Grade | Tensile strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| ASTM A192 ASTM SA192 | A192 | ≥325 | ≥180 | ≥35 |
Hardness tests
Hardness tests will be performed on samples from two selected tubes from each batch. The term batch is applied to all tubes before cutting, of the same nominal diameter and wall thickness that are produced with the same steel heat. When the final heat is in a batch type furnace, a batch should include only those tubes of the same size and the same heat that are treated with hrat in the same furnace load. These tubes will be selected apart from those used for the flattening test.
Heat treatment
Hot finished tube does not require heat treatment. After the final cold work, the cold worked tube should be heat treated at 1200 ° F (650 ° C) or higher.
Our factory has a high capacity for ASTM 192 boiler tube production, the delivery time is 35 days for a small quantity, or if you are in a hurry for that, we can arrange and fulfill your shipment.
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