ASTM A426/A426M-13

Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service

ASTM International , 11/01/2013

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 11/01/2013

Published:11/01/2013

Pages:5

File Size:1 file , 85 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This specification² covers centrifugally cast alloy steel pipe intended for use in high-temperature, high-pressure service.

1.2Several grades of ferritic steels are covered. Their compositions are given in Table 1.

TABLE 1 Chemical Requirements^A

Composition, %
Grade	UNS Number	Carbon	Manganese	Phos- phorus, max	Sulfur, max	Silicon	Chromium	Molybdenum
CP1	J12521	0.25 max	0.30-0.80	0.030	0.025	0.10-0.50	...	0.44-0.65
CP2	J11547	0.10-0.20	0.30-0.61	0.030	0.025	0.10-0.50	0.50-0.81	0.44-0.65
CP5	J42045	0.20 max	0.30-0.70	0.030	0.025	0.75 max	4.00-6.50	0.45-0.65
CP5b	J51545	0.15 max	0.30-0.60	0.030	0.025	1.00-2.00	4.00-6.00	0.45-0.65
CP9	J82090	0.20 max	0.30-0.65	0.030	0.025	0.25-1.00	8.00-10.00	0.90-1.20
CP11	J12072	0.05-0.20	0.30-0.80	0.030	0.025	0.60 max	1.00-1.50	0.44-0.65
CP12	J11562	0.05-0.15	0.30-0.61	0.030	0.025	0.50 max	0.80-1.25	0.44-0.65
CP15	J11522	0.15 max	0.30-0.60	0.030	0.025	1.15-1.65	...	0.44-0.65
CP21	J31545	0.05-0.15	0.30-0.60	0.030	0.025	0.50 max	2.65-3.35	0.80-1.06
CP22	J21890	0.05-0.15	0.30-0.70	0.030	0.025	0.60 max	2.00-2.75	0.90-1.20
CPCA15	J91150	0.15 max	1.00 max	0.030	0.025	1.50 max	11.5-14.0	0.50 max

^A Where ellipses appear in this table, there is no requirement.

1.3 Supplementary Requirements S1 through S12 are provided. The supplementary requirements provide for additional tests of an optional nature and when desired shall be so stated in the order (Section 4).

1.4The values stated in either inch-pound units or SI units are to be regarded separately as standard. 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.

1.4.1Within the text, the SI units are shown in brackets.

1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.