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ASTM A192/ASME SA192 High-Pressure Seamless Boiler Tubes

Standard: ASTM A192/ASME SA192
Product origin: China
Availability: Stock
Material/Grade: A192/SA192

ASTM A192,ASME SA 192 Steel Tubes covers minimum-wall-thickness,seamless carbon steel boiler and superheater tubes for high-pressure service.

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ASTM A192/ASME SA192 High-Pressure Seamless Boiler Tubes

ASTM A192,ASME SA 192 High-Pressure Seamless Boiler And Superheater Tubes

Standard:ASTM A192,ASME SA 192
ASTM A192,ASME SA 192 Steel Tubes covers minimum-wall-thickness,seamless carbon steel boiler and superheater tubes for high-pressure service.
ASTM A192 High-Pressure Seamless Carbon Steel Boiler Tubes 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.

ASTM A192 High-Pressure Seamless Boiler Tubes Quick Details
Manufacture:Seamless process ,Hot-finished or Cold-finished
Wall thickness(WT): 3.2mm——25.4 mm.
Outer diameter (OD): 12.7mm——177.8 mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded

Additional Info
Port of Shipment: Tianjin, China
Payment Terms:T / T, LC
Delivery: 7-15 days after payment
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required

Manufacture
ASTM A192 High-Pressure Seamless Boiler Tubes are made by the seamless process and shall be either hot-finished or cold-finished, as specified.
Marking：The marking indicate whether the tube is hot finished or cold finished.

Heat Treatment
Hot-finished tubes need not be heat treated. Cold-finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.

Chemical Composition of ASTM A192,ASME SA 192 Boiler Tubes

Carbon, %	0.06–0.18
Manganese, %	0.27–0.63
Phosphorus, max, %	0.035
Sulfur, max, %	0.035
Silicon, max, %	0.25

Mechanical Properties

Tensile strength, min, ksi [MPa]	47 [325]
Yield strength, min, ksi [MPa]	26 [180]
Elongation in 2 in. or 50 mm, min, %	35
Brinell Hardness Number (Tubes 0.200 in. [5.1 mm] and over in wall thickness)	137 HBW
Rockwell Hardness Number (Tubes less than 0.200 in.[5.1 mm] in wall thickness)	77 HRBW

Note:Mechanical property requirements do not apply to tubing smaller than 1 ⁄ 8 in. [3.2 mm] inside diameter or 0.015 in.[0.4 mm] thickness.

Dimensional tolerances
Tolerances of Wall Thickness

Outside Diameter, in. [mm]	Wall Thickness, %
	0.095[2.4] and Under		Over 0.095 to 0.150 [2.4 to 3.8], incl		Over 0.150 to 0.180 [3.8 to 4.6], incl		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

Tolerances of Outside Diameter

Outside Diameter,in. [mm]	Permissible Variations, in. [mm]
Outside Diameter,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]

Tolerances of Length

Method of Manufacture	OutsideDiameter,in. [mm]	Cut Length,in. [mm]
Method of Manufacture	OutsideDiameter,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]

ASTM A192,ASME SA 192 High-Pressure Seamless Boiler Tubes Specification:

OD (mm)

Wall Thickness(mm)

2.5

3.5

4.5

6.5-7

7.5-8

8.5-9

9.5-10

Φ25-Φ28

●

Φ32

●

Φ34-Φ36

●

Φ38

●

Φ40

●

Φ42

●

Φ45

●

Φ48-Φ60

●

Φ63.5

●

Φ68-Φ73

●

Φ76

●

Φ80

●

Φ83

●

Φ89

●

Φ95

●

Φ102

●

Φ108

●

Φ114

●

Φ121

●

Φ127

●

Φ133

●

Φ140

●

Φ146

●

Φ152

●

Φ159

●

Φ168

●

Φ177

●

Photos of ASTM A192,ASME SA192 High-Pressure Seamless Boiler Tubes

Application:
ASTM A192,ASME SA192,seamless carbon steel boiler and superheater tubes for high-pressure service.

ASTM A192,ASME SA192 High-Pressure Carbon Boiler Tube Packaging & Delivery

Types of Packaging:

- Bundles (hexagonal)

- Wooden Boxes

- Crates (steel/wooden)

- Special crates for U-Bend tubes with each radius separated

- Our ASTM A192 High-Pressure Carbon Boiler Tube packing can meet any needs of the customers.

Delivery: 15-30 days after payment

Mechanical Tests
Flattening Test—One flattening test shall be made on specimens from each end of two tubes selected from each lot.
Flaring Test—One flaring test shall be made on specimens from each end of two tubes selected from each lot.
Hardness Test—Brinell or Rockwell hardness tests shall be made on specimens from two tubes from each lot.
Hydrostatic Test—Each tube shall be subjected to the hydrostatic pressure test.

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