ASTM A511/A511M-12 Standard Specification for Seamless Stainless Steel Mechanical Tubing

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ASTM A511/A511M-12

Standard Specification for Seamless Stainless Steel Mechanical Tubing

- 발행일 : 2012-03-01
- 발행기관 : ASTM

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1.1 This specification covers seamless stainless tubing for use in mechanical applications where corrosion-resistant or high-temperature strength is needed. The grades covered are listed in Table 1, Table 2, and Table 3.

1.2 This specification covers seamless cold-finished mechanical tubing and seamless hot-finished mechanical tubing in sizes up to 12¾ in. [325 mm] in outside nominal diameter (for round tubing) with wall thicknesses as required.

1.3 Tubes shall be furnished in one of the following shapes, as specified by the purchaser: round, square, rectangular, or special.

1.4 Optional supplementary requirements are provided and when desired, shall be stated in the order.

1.5 The values stated in inch-pound units are to be regarded as the standard. Within the text, the SI units are shown in square brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.

TABLE 1 Chemical Requirements of Austenitic Stainless Steels


Grade	Composition, %
Grade	Carbon	Manga- nese, max	Phos- pho- rus, max	Sul- fur, max	Silicon, max	Nickel	Chromium	Molybdenum	Titanium	Columbium plus Tantalum	Selenium

MT 302	0.08 to 0.20	2.00	0.040	0.030	1.00	8.0–10.0	17.0–19.0	...	Titanium	...	Selenium	...	...
MT 303	0.15 max	2.00	0.20	0.15 min	1.00	8.0–10.0	17.0–19.0	...	...	...	...
MT 303Se	0.15 max	2.00	0.040	0.040	1.00	8.0–11.0	17.0–19.0	...	...	...	0.12–0.2
MT 304	0.08 max	2.00	0.040	0.030	1.00	8.0–11.0	18.0–20.0	...	...	...	...
MT 304L	0.035 max^A	2.00	0.040	0.030	1.00	8.0–13.0	18.0–20.0	...	...	...	...
MT 305	0.12	2.00	0.040	0.030	1.00	10.0–13.0	17.0–19.0	...	...	...	...
MT 309S	0.08 max	2.00	0.040	0.030	1.00	12.0–15.0	22.0–24.0	...	...	...	...
MT 310S	0.08 max	2.00	0.040	0.030	1.00	19.0–22.0	24.0–26.0	...	...	...	...
MT 316	0.08 max	2.00	0.040	0.030	1.00	11.0–14.0	16.0–18.0	2.0–3.0	...	...	...
MT 316L	0.035 max^A	2.00	0.040	0.030	1.00	10.0–15.0	16.0–18.0	2.0–3.0	...	...	...
MT 317	0.08 max	2.00	0.040	0.030	1.00	11.0–14.0	18.0–20.0	3.0–4.0	...	...	...
MT 321	0.08 max	2.00	0.040	0.030	1.00	9.0–13.0	17.0–20.0	...	^B	...	...
MT 347	0.08 max	2.00	0.040	0.030	1.00	9.0–13.0	17.0–20.0	...	...	^C	...

^A For small diameter or thin wall tubing or both, where many drawing passes are required, a maximum of 0.040 % carbon is necessary in grades MT-304L and MT-316L. Small outside diameter tubes are defined as those under a 0.500 in. [12.7 mm] outside diameter and light-wall tubes as those under a 0.049 in. [1.2 mm] average wall thickness (0.044 in. [1.1 mm] min wall thickness).

^B The titanium content shall be not less than five times the carbon content and not more than 0.60 %.

^C The columbium plus tantalum content shall be not less than ten times the carbon content and not more than 1.00 %.

TABLE 2 Chemical Requirements of Ferritic and Martensitic Stainless Steels


Grade	Composition, %
Grade	Carbon, max	Manga- nese, max	Phos- phorus, max	Sulfur, max	Silicon, max	Nickel	Chromium	Molyb- denum	Aluminum	Copper	Nitrogen	Selenium

Martensitic

MT 403	0.15	1.00	0.040	0.030	0.50	0.50 max	11.5–13.0	0.60 max				Selenium
MT 410	0.15	1.00	0.040	0.030	1.00	0.50 max	11.5–13.5	...	...	...	...	...
MT 414	0.15	1.00	0.040	0.030	1.00	1.25–2.50	11.5–13.5	...	...	...	...	...
MT 416Se	0.15	1.25	0.060	0.060	1.00	0.50 max	12.0–14.0	...	...	...	...	0.12–0.20
MT 431	0.20	1.00	0.040	0.030	1.00	1.25–2.50	15.0–17.0	...	...	...	...	...
MT 440A	0.60 to 0.75	1.00	0.040	0.030	1.00	...	16.0–18.0	0.75 max	...	...	...	...

Ferritic
MT 405	0.08	1.00	0.040	0.030	1.00	0.50 max	11.5–14.5	...	0.10–0.30	...	...	...
MT 429	0.12	1.00	0.040	0.030	1.00	0.50 max	14.0–16.0	...	...	...	...	...
MT 430	0.12	1.00	0.040	0.030	1.00	0.50 max	16.0–18.0	...	...	...	...	...
MT 443	0.20	1.00	0.040	0.030	1.00	0.50 max	18.0–23.0	...	...	0.90–1.25	...	...
MT 446–1	0.20	1.50	0.040	0.030	1.00	0.50 max	23.0–30.0	...	...	...	0.25 max	...
MT 446–2^A	0.12	1.50	0.040	0.030	1.00	0.50 max	23.0–30.0	...	...	...	0.25 max	...
29-4	0.010	0.30	0.025	0.020	0.20	0.15 max	28.0–30.0	3.5–4.2	...	0.15 max	0.020 max	...
29-4-2	0.010	0.30	0.025	0.020	0.20	2.0–2.5	28.0–30.0	3.5–4.2	...	0.15 max	0.020 max^B	...

^A MT446-2 is a lower carbon version of MT446-1, that has a lower tensile strength but improved ductility and toughness.

^B Carbon plus nitrogen = 0.025 max %.

TABLE 3 Chemical Requirements of Austenitic-Ferritic Stainless Steels^A

Grade	Composition, %
	Carbon	Manganese, max	Phosphorus, max	Sulfur, max	Silicon, max	Nickel	Chromium	Molybdenum	Nitrogen	Copper	Others
S31260	0.030	1.00	0.030	0.030	0.75	5.5–7.5	24.0–26.0	2.5–3.5	0.10–0.30	0.20–0.80	W 0.10–0.50
S31803	0.030	2.00	0.030	0.020	1.00	4.5–6.5	21.0–23.0	2.5–3.5	0.08–0.20	...	...
S32101	0.040	4.0–6.0	0.040	0.030	1.00	1.35–1.70	21.0–22.0	0.10–0.80	0.20–0.25	0.10–0.80	...
S32205	0.030	2.00	0.030	0.020	1.00	4.5–6.5	22.0–23.0	3.0–3.5	0.14–0.20	...	…
S32304	0.030	2.50	0.040	0.040	1.00	3.0–5.5	21.5–24.5	0.05–0.60	0.05–0.20	0.05–0.60	...
S32506	0.030	1.00	0.040	0.015	0.90	5.5–7.2	24.0–26.0	3.0–3.5	0.08–0.20	...	W 0.05–0.30
S32550	0.040	1.50	0.040	0.030	1.00	4.5–6.5	24.0–27.0	2.9–3.9...	0.10–0.25	1.50–2.50	...
S32707	0.030	1.50	0.035	0.010	0.50	5.5–9.5	26.0–29.0	4.0–5.0	0.30–0.50	1.0	Co 0.5–2.0
S32750	0.030	1.20	0.035	0.020	0.80	6.0–8.0	24.0–26.0	3.0–5.0	0.24–0.32	0.50	...
S32760^B	0.05	1.00	0.030	0.010	1.00	6.0–8.0	24.0–26.0	3.0–4.0
국제분류(ICS)코드
페이지수	11
Edition	12

이력정보

No.	표준번호	표준명	발행일	상태
1	ASTM A511/A511M-21a	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2021-11-01	표준
2	ASTM A511/A511M-21a REDLINE	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2021-11-01	표준
3	ASTM A511/A511M-21	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2021-09-01	구판
4	ASTM A511/A511M-20	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2020-11-01	표준
5	ASTM A511/A511M-20 REDLINE	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2020-11-01	표준
6	ASTM A511/A511M-16 REDLINE	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2016-05-01	구판
7	ASTM A511/A511M-16	Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar	2016-05-01	구판
8	ASTM A511/A511M-15a	Standard Specification for Seamless Stainless Steel Mechanical Tubing	2015-05-01	구판
9	ASTM A511/A511M-15	Standard Specification for Seamless Stainless Steel Mechanical Tubing	2015-01-01	구판
10	ASTM A511/A511M-12	Standard Specification for Seamless Stainless Steel Mechanical Tubing	2012-03-01	구판
11	ASTM A511/A511M-11	Standard Specification for Seamless Stainless Steel Mechanical Tubing	2011-10-01	구판
12	ASTM A511/A511M-08	Standard Specification for Seamless Stainless Steel Mechanical Tubing	2008-01-01	구판
13	ASTM A511/A511M-07	Standard Specification for Seamless Stainless Steel Mechanical Tubing	2007-11-01	구판

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