ASTM A192/ ASME SA192 Boiler Steel Tubes

ASTM A192/ ASME SA192 Boiler Steel Tubes
Product Details

ASTM A192 Seamless Carbon Steel Boiler Tubes for High-pressure Service

This guide covers standard specifications for minimum-wall-thickness, seamless carbon steel boiler and superheater tubes for high-pressure service. The steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, and silicon. The tubes shall have a hardness number not exceeding a specific value. The following mechanical tests shall be conducted, namely: flattening test; flaring test; hardness test; and hydrostatic test.

ASTM A192 High Pressure Carbon Steel Boiler Tube Chemical Composition:

Grade

Mfg. Process

Chemical  composition(%)

C

Si

Mn

P

S

ASTM A192

S

0.06~0.18

0.25Max

0.27~0.63

0.035Max

0.035Max

ASTM A192 High Pressure Carbon Steel Boiler Tube Mechanical Property:

Grade

Elongation %

Tensile Test MPa or N/mm2

A

Min Yield point

Tensile Strength

ASTM A192

=35

=180

=325

ASTM A192 High Pressure Carbon Steel Boiler Tube 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

Outside Diameter: 12.7-177.8mm

Wall Thickness: 2.2-25.4mm

Length: 6-32m

Type: Straight Tube, U-Bend Tube

Any questions or inquiries will be highly appreciated.

Kindly please contact us freely at gracewang@ruichengsteel.cn

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