ASTM A192 Seamless Boiler Tubes Shipment

ASTM A192 / A192M, ASME SA192 / SA192M is the standard applicable to Seamless carbon steel boiler tubes for High-pressure service

Shipment information:

Products:                       ASTM A192 Seamless Boiler Steel Tubes.

Producing Type:          Cold Drawn

Destination:                  Singapore

Standard:                      ASTM A192

Steel Grade:                  A192

Size:                               OD. 57mm x W.T. 3.2mm (Min) x Length 6096mm

Quantity:                      50tons

Supplier:                       CTS TUBES

Shipping time:            15-April-2019

ASTM A192 Standard covers minimum-wall thickness, seamless carbon steel boiler and superheater tubes for high- pressure service.

Heat Treatment: Cold- finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.

Test requirement:

ASTM A192 Tube Chemical Compositions

Chemical Components (%)
CSiMnPSMoCrV
0.06-0.18≤0.250.27-0.63≤0.035≤0.035///

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ASTM A192 Tube Mechanical Tests Required

Mechanical properties
Tensile
Strength (Mpa)
Yield
Strength (Mpa)
Elongation
(%)
Hardness
(HRB)
≥325≥180≥35≤77

 

ASTM A192 Tube Wall Thickness Tolerance

Seamless, Cold-Finished Tubes
Outside Diameter
In. (mm)
Wall thickness Tolerance %
Over (+)Under (-)
1 ½ (38.1)
and under
200
Over 1½ (38.1)220

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ASTM A192 Tube Outside Diameter Tolerance

Cold-Finished Seamless Tubes
Outside Diameter
In. (mm)
Permissible Variations In. (mm)
Over (+)Under (-)
Under 1 (25.4)0.004 (0.1)0.004 (0.1)
1 to 1 ½ (25.4 to 38.1), Incl0.006 (0.15)0.006 (0.15)
Over 11⁄2 to 2 [38.1 to 50.8], Excl0.008 (0.2)0.008 (0.2)
2 to 21⁄2 [50.8 to 63.5], Excl0.010 (0.25)0.010 (0.25)
21⁄2 to 3 [63.5 to 76.2], Excl0.012 (0.3)0.012 (0.3)

ASTM A192 Tube Cut Length Tolerance

Cold-Finished Seamless Tubes
Outside Diameter,
In.(mm)
Cut Length, in.(mm)
Over (+)Under (-)
All Sizes3⁄16 [5]0 [0]
Under 2 [50.8]1⁄8 [3]0 [0]
2 [50.8] and over3⁄16 [5]0 [0]
Under 2 [50.8]1⁄8 [3]0 [0]
2 [50.8] and over3⁄16 [5]0 [0]
These permissible variations in length apply to tubes before bending. They apply to cut lengths up to and including 24 ft [7.3 m]. For lengths greater than 24 ft [7.3 m], the above over-tolerances shall be increased by 1⁄8 in. [3 mm] for each 10 ft [3 m] or fraction thereof over 24 ft or 1⁄2 in. [13 mm], whichever is the lesser.

ASTM A192 Tube Hydrostatic Test Pressures

Each tube shall be subjected to the hydrostatic pressure test, or instead of this test, a nondestructive test may be used when specified by the purchaser.

Hydrostatic Test Pressures
Outside Diameter of Tube, in. [mm]Hydrostatic Test Pressure, psi [MPa]
Under 1 [25.4]1000 [7]
1 to 11⁄2 [25.4 to 38.1], excl1500 [10]
11⁄2 to 2 [38.1 to 50.8], excl2000 [14]
2 to 3 [50.8 to 76.2], excl2500 [17]

ASTM A192 Flattening Test

One flattening test shall be made on specimens from each end of two tubes selected from each lot or fraction thereof.

ASTM A192 Flaring Test

One flaring test shall be made on specie- men from each end of two tubes selected from each lot or fraction thereof. These tubes shall be selected apart from those used for the flattening test.

Inspection Photos:

ASTM A192 Seamless Boiler Tubes Shipment

ASTM A192 Seamless Boiler Tubes Shipment

ASTM A192 Tubes Shipment OD. Inspection

ASTM A192 Tubes Shipment OD. Inspection

ASTM A192 Tubes Shipment Thickness Inspection

ASTM A192 Tubes Shipment Thickness Inspection

ASTM A192 Tubes Shipment Length Inspection

ASTM A192 Tubes Shipment Length Inspection

ASTM A192 Tubes Shipment Ends Inspection

ASTM A192 Tubes Shipment Ends Inspection

ASTM A192 Tubes Shipment Wooden Box Package

ASTM A192 Tubes Shipment Wooden Box Package

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