Martensitic stainless steel
The substrate is martensite, magnetic, stainless steel can be adjusted by heat treatment of its mechanical properties.
Precipitation hardening stainless steel
The matrix is austenitic or martensite, and can be hardened by precipitation (also known as age hardening) treatment so that the hard (strong) of the stainless steel.
stainless steel
1Cr18Ni9Ti 0Cr18Ni9 00Cr19Ni10 0Cr17Ni12Mo2Ti 00Cr17Ni14Mo2 304 304L 316 316L, etc.
Stainless steel pipe fittings of the implementation of national standards:
Description of the standard number
GB12459 seamless welded steel pipe fittings
GB / T13401 welded steel pipe fittings
GB / T14383 forged steel pipe fittings
GB / T14626 forged steel pipe fittings
GB9112-9131 steel pipe flanges, flange covers and flange gasket
Japanese standards for the implementation of pipe fittings:
Description of the standard number
General purpose steel butt - welded fittings
JIS B2312 Steel butt - welded pipe fittings
Steel butt - welded pipe fittings JIS B2313
JIS B2316 Standard Specification for Steel Socket Welding Fittings