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You are here : section steel--Katalor steel > News > 正文A240 201 angel steel Mechanical Properties

A240 201 angel steel Mechanical Properties

A240 201 angel steel
201 angel steel is a lower cost alternative to conventional Cr-Ni stainless steels such as 301 and 304. Nickel is replaced by additions of manganese and nitrogen. It is non-hardenable by thermal treatment, but may be cold worked to high tensile strengths. 201 angel steel is essentially nonmagnetic in the annealed condition and becomes magnetic when cold worked. 201 angel steel can be substituted for Type 301 in many applications.

A240 201 angel steel Chemical Composition Requirements

Type	C	Mn	P	S	Si	Cr	Ni
201	0.15	5.5-7.5	0.060	0.030	1.00	16.0-18.0	3.5-5.5

A240 201 angel steel Mechanical Properties

	Tensile strength, min		Yield strength, min		Elongation in 2 in or 50 mm,min,%	Hardness,max
	Ksi	Mpa	Ksi	Mpa	Elongation in 2 in or 50 mm,min,%	Brinell	Rockwell
Austenitic (chromium-nickel)(chromium-manganese-nickel)
201-1’	75	515	38	260	40	217	95
201-2’	95	655	45	310	40	241	100

201 angel steel Applications:
Typical applications for 201 angel steel are cookware, hose clamps, piston rings, transit car structural member, transit car roofing/siding, thermal window spacers, air bag containers, and truck trailer posts and door frames.

201 angel steel Processing:
The annealing temperature for 201 angel steel is between 1850-2000°F. Rapid cooling through the carbide precipitation range (1500 – 800 o F) is necessary to keep the carbides in solution and prevent sensitization. 201 angel steel is not hardenable by thermal treatment; it is only hardenable by cold working.