... SS304/316 3.Technique:precision casting 4.Test: "Q4" TASMAN 304/316 Stainless steel dolphin 1,Material: 304,316,316L,304L,CF8,CF8M stainless steel. ... , water, oil, and some corrosive liquids. Casting method is investment casting.5,Standard: DRN2828,MIL-C274876, Certificate: ISO9000 ... 8,Thickness:SCH20, SGP,STD,SCH40,SCH80,SCH1609,Casting Technique: investment casting. 10,Thread Type: NPT, BSPT, BSP, ...