Ss Pipe 202

Ss Pipe 202 is an authenticate chromium-nickel-manganese stainless steel which was developed to conserve nickel. Type 201 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. Type 201 is essentially nonmagnetic in the annealed condition and becomes magnetic when cold worked. Type 201 can be substituted for Type 301 in many applications

PRODUCT FORMS:
Sheet, Strip

SPECIFICATION:
ASTM A240, A666

TYPICAL APPLICATIONS:
Typical applications for Types 201 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.

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

FORMING:
Type 201 has similar bending, forming and drawing characteristics to Type 301 stainless steel

WELDING:
Type 201 can be welded by all conventional methods applied to 18 percent chromium, 8 percent nickel steels. Filler metal of the conventional chromium-nickel analyses can be used. Like other austenitic stainless steels where carbon is not