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Main Blank Process for Stainless Steel Casting Investment casting (wax mold made by middle-temperature wax) /Precision casting/surface mirror polishing,
Lost Wax Casting (wax mold made by low-temperature wax)/ Precision casting;
Blanks Tolerance -Casting Tolerance CT7-8 for Lost wax Casting Process

stainless steel Investment Casting process

precision Investment Casting: also called precision casting, method of metal casting in which a molten metal is poured into a mold that has been created by means of a wax model. It is ideal for intricate shape.

stainless steel Shell Casting

A metal casting process similar to sand casting, in that molten metal is poured into an expendable mold. However, in shell mold casting, the mold is a thin-walled shell created from applying a sand-resin mixture around a pattern. It is ideal of high volume production.

STAINLESS STEEL CASTINGS are used in a wide variety of industrial, medical and aerospace applications where high strength and corrosion resistance are required up to moderate operating temperatures. Inconel alloys can be used for higher operating temperatures or more aggressive environments but at higher cost.
ph13-8Mo (13-8) Stainless Steel Castings possess excellent corrosion resistance that is comparable to Type 304 and Type 410 stainless steel castings.
Large Thin-Wall Casting Section
15-5 Stainless Steel Castings are fabricated using a more recent metal chemistry variant of the older 17-4 stainless steel. 15-5 stainless steel is designed to provide greater toughness in thin casting sections by reducing delta ferrite formation. 15-5 stainless steel castings possess oxidation and corrosion resistance equivalent to that provided by 17-4 castings. Type 15-5 stainless steel is also known as UNS S15500, UNS J92110, AISI S15500.
17-4ph (17-4) Stainless Steel Castings are the most widely specified precipitation hardening stainless steel castings. Also called Type 630 stainless steel, 17-4 stainless castings maintain high strength up to operating temperatures of 600°F (316°C) and provide superior oxidation resistance compared to Type 410 stainless steel. 17-4 stainless steel castings possess corrosion resistance superior to the hardenable 400 series stainless steels and comparable to Type 304 stainless steel castings in most media. Type 17-4 stainless steel is also known as CB-7Cu-1, UNS S17400, UNS J92200, UNS S17480 and. UNS W37410.
 
Type 304 stainless steel alloys are also known as CF8M and UNS J92600/ UNS J92900/CF3M and UNS J92800.

316 grade is the second-most common material of stainless steel casting. It has almost the same physical and mechanical properties as 304 stainless steel, and contains a similar material make-up. The key difference is that 316 stainless steel incorporates about 2 to 3 percent molybdenum. The addition increases corrosion resistance, particularly against chlorides and other industrial solvents.

The 316 stainless steel has better corrosion resistance due to the Mo element. It is usually used to make the corrosion-resistant parts that contact the seawater or corrosive chemical mediums, such as valve castings, chemical equipment, outdoor lamp, medical apparatus part, marine hardware, thermal exchanger part, pipe, etc. Equivalent Grade of Stainless Steel 316 is the CF8M of the US, 1.4408 of the German.