Product Details

ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.

ASTM A213 Standard covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. Grades containing the letter H in their designation have requirements different from those of similar grades not containing the letter H. These different requirements provide higher creep-rupture strength than normally achievable in similar grades without these different requirements. The tubes shall be made by the seamless process and shall be either hot finished or cold finished, as specified. Grade TP347 HFG shall be cold finished. Heat treatment shall be done separately and in addition to heating for hot forming. The ferritic alloy and ferritic stainless steels shall be reheated. On the other hand, austenitic stainless steel tubes shall be furnished in the heat-treated condition. Alternatively, immediately after hot forming, while the temperature of the tubes is not less than the minimum solution temperature, tubes may be individually quenched in water or rapidly cooled by other means. Tension test, hardness test, flattening test, and flaring test shall be done to each tube. Also, each tube shall be subjected to the nondestructive electric test or hydrostatic test.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

ASTM A213 Standard Scope

1.1 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, TP304, etc. These steels are listed in Tables 1 and 2.
1.2 Grades containing the letter, H, in their designation, have requirements different from those of similar grades not containing the letter, H. These different requirements provide higher creep-rupture strength than normally achievable in similar grades without these different requirements.
1.3 The tubing sizes and thicknesses usually furnished to this specification are 1/8 in. [3.2 mm] in inside diameter to 5 in. [127 mm] in outside diameter and 0.015 to 0.500 in. [0.4 to 12.7 mm], inclusive, in minimum wall thickness or, if specified in the order, average wall thickness. Tubing having other diameters may be furnished, provided such tubes comply with all other requirements of this specification.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.

Main chemical composition Limits, %A, for Low Alloy Steel

Grade	UNS	C	Mn	P	Sulfur	Silicon	Ni	Co	Mo	V
T2	K11547	0.10–0.20	0.30–0.61	0.025	0.025B	0.10–0.30	…	0.50–0.81	0.44–0.65	…
T5	K41545	0.15	0.30–0.60	0.025	0.025	0.5	…	4.00–6.00	0.45–0.65	…
T5b	K51545	0.15	0.30–0.60	0.025	0.025	1.00–2.00	…	4.00–6.00	0.45–0.65	…
T5c	K41245	0.12	0.30–0.60	0.025	0.025	0.5	…	4.00–6.00	0.45–0.65	…
T9	K90941	0.15	0.30–0.60	0.025	0.025	0.25–1.00	…	8.00–10.00	0.90–1.10	…
T11	K11597	0.05–0.15	0.30–0.60	0.025	0.025	0.50–1.00	…	1.00–1.50	0.44–0.65	…
T12	K11562	0.05–0.15	0.30–0.61	0.025	0.025B	0.5	…	0.80–1.25	0.44–0.65	…
T17	K12047	0.15–0.25	0.30–0.61	0.025	0.025	0.15–0.35	…	0.80–1.25	…	0.15
T21	K31545	0.05–0.15	0.30–0.60	0.025	0.025	0.50–1.00	…	2.65–3.35	0.80–1.06	…
T22	K21590	0.05–0.15	0.30–0.60	0.025	0.025	0.5	…	1.90–2.60	0.87–1.13	…
T23	K40712	0.04–0.10	0.10–0.60	0.03	0.01	0.5	0.4	1.90–2.60	0.05–0.30	0.20–0.30
T24	K30736	0.05–0.10	0.30–0.70	0.02	0.01	0.15–0.45	…	2.20–2.60	0.90–1.10	0.20–0.30
T36	K21001	0.10–0.17	0.80–1.20	0.03	0.025	0.25–0.50	1.00–1.30	0.3	0.25–0.50	0.02
T91	K90901	0.07–0.14	0.30–0.60	0.02	0.01	0.20–0.50	0.4	8.0–9.5	0.85–1.05	0.18–0.25
T92	K92460	0.07–0.13	0.30–0.60	0.02	0.01	0.5	0.4	8.5–9.5	0.30–0.60	0.15–0.25
T122	K91271	0.07–0.14	0.7	0.02	0.01	0.5	0.5	10.0–11.5	0.25–0.60	0.15–0.30
T911	K91061	0.09–0.13	0.30–0.60	0.02	0.01	0.10–0.50	0.4	8.5–9.5	0.90–1.10	0.18–0.25