ASTM A192 Seamless Carbon Steel Pipe Specification

The ASTM A192 specification outlines seamless carbon steel boiler tubes designed for high-pressure applications. Our team will determine the recommended pipe sizes once we receive your inquiry. To ensure accuracy, please include a printout or sketch of the part you need. We carefully consider the grade, chemical composition, and surface condition, customizing the production process to meet the specific requirements of the end use.

ASTM A192 seamless steel pipes are primarily used as minimum wall thickness tubes for high-pressure boilers and superheaters. These pipes are available in both hot-rolled and cold-drawn conditions from CSCsteel. They are commonly used in high-pressure steam boilers (with working pressure not exceeding 9.8 MPa and operating temperatures ranging from 450Â°C to 650Â°C) as heating surfaces, headers, economizers, superheaters, and reheaters.

We offer additional processing services such as pipe ends (flat, beveled, or jointed), coatings (epoxy, paint, or 3LPE), and bending, all tailored to your specific needs.

Chemical Composition of ASTM A192 Seamless Steel Tubes:

ASTM A192 Carbon Steel Chemical Composition	C	Mn	Pâ‰¤	Sâ‰¤	Siâ‰¤
ASTM A192 Carbon Steel Chemical Composition	0.06â€“0.18	0.27â€“0.63	0.035	0.035	0.25

Mechanical Properties of ASTM A192 Seamless Steel Tubes:

Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Brinell Hardness Number (WTâ‰¥0.200In (5.1mm))	Rockwell Hardness Number (WTâ‰¥0.200In (5.1mm))
â‰¥180	â‰¥325	â‰¥35	137HRB	77HRB

Outside Diameter and Tolerance for ASTM A192 Seamless Steel Tubes:

Hot Rolled	Outside Diameter, mm	Tolerance, mm
	OD â‰¤ 101.6	+0.4/-0.8
	101.6 < OD â‰¤ 177.8	+0.4/-1.2
	Cold Drawn	Outside Diameter, mm	Tolerance, mm
OD < 25.4		Â±0.10
25.4 â‰¤ OD â‰¤ 38.1		Â±0.15
38.1 < OD < 50.8		Â±0.20
50.8 â‰¤ OD < 63.5		Â±0.25
63.5 â‰¤ OD < 76.2		Â±0.30
76.2 â‰¤ OD â‰¤ 101.6		Â±0.38
101.6 < OD â‰¤ 177.8		+0.38/-0.64

Wall Thickness and Tolerance for ASTM A192 Seamless Steel Tubes:

Hot Rolled	Outside Diameter, mm	Tolerance, %
	OD â‰¤ 101.6, WT â‰¤ 2.4	+40/-0
	OD â‰¤ 101.6, 2.4 < WT â‰¤ 3.8	+35/-0
	OD â‰¤ 101.6, 3.8 < WT â‰¤ 4.6	+33/-0
	OD â‰¤ 101.6, WT > 4.6	+28/-0
	OD > 101.6, 2.4 < WT â‰¤ 3.8	+35/-0
	OD > 101.6, 3.8 < WT â‰¤ 4.6	+33/-0
	OD > 101.6, WT > 4.6	+28/-0
Cold Drawn	Outside Diameter, mm	Tolerance, %
	OD â‰¤ 38.1	+20/-0
	OD > 38.1	+22/-0

Dimensions of ASTM A192 Seamless Steel Tubes:

OD (mm)	Wall Thickness (mm)
Â	2	2.5	3	3.5	4	4.5	5	6	6.5â€“7	7.5â€“8	8.5â€“9	9.5â€“10	11	12
Î¦25â€“Î¦28	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â	Â	Â
Î¦32	Â	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â	Â
Î¦34â€“Î¦36	Â	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â	Â
Î¦38	Â	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â	Â
Î¦40	Â	Â	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â	Â
Î¦42	Â	Â	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â	Â
Î¦45	Â	Â	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â	Â
Î¦48â€“Î¦60	Â	Â	â—	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â	Â
Î¦63.5	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â
Î¦68â€“Î¦73	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	Â	Â	Â	Â
Î¦76	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦80	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦83	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦89	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦95	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦102	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦108	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦114	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦121	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦127	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦133	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—	â—
Î¦140	Â	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—
Î¦146	Â	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—
Î¦152	Â	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—
Î¦159	Â	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—
Î¦168	Â	Â	Â	Â	Â	Â	â—	â—	â—	â—	â—	â—	â—	â—

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