ASTM A270 Stainless Steel Sanitary Pipe.Video

ASTM A270 Stainless Steel Sanitary Pipe.Video

 

ASTM A270/A270M-24 is an authoritative standard developed by the American Society for Testing and Materials (ASTM) for seamless and welded austenitic/ferritic-austenitic stainless steel sanitary pipes. The latest version was released in 2024. This standard focuses on high-cleanliness demand scenarios, such as food and beverage, pharmaceuticals, cosmetics and semiconductor manufacturing. Through strict surface treatment, dimensional tolerance and material performance control, it ensures that the pipes are free of bacteria and media contamination risks during long-term use.

 

ASTM A270 Sanitary Tubing of Chemical Composition

CLASS	C MAX	THE MAX	MN MAX	P MAX	S MAX	NI	CR	MO	OTHER PEOPLE
tp 304	0:08	0.75	2	0:04	0:03	8-11	18-20
tp 304L	0035	0.75	2	0:04	0:03	8-13	18-20
tp 316	0:08	0.75	2	0:04	0:03	10-14	16-18	2-3
tp 316L	0035	0.75	2	0:04	0:03	10-15	16-18	2-3

ASME SA270 Hygienic Tubing of Mechanical Properties

CLASS	TENSILE STRESS MPA, (MIN)	YIELD STRESS MPA, (MIN)	% AGE EXTENSION IN 50 MM GAUGE LENGTH MIN	HARDNESS (MAX)
				BHN	RB
304	585	244	56	191	72
304L	585	210	56	191	72
316	615	245	57	197	75
316L	585	215	56