In all product series of Franta, we will provide users with stainless steel pipe fittings and pipes of different materials to adapt to different working conditions.

304 Material: An internationally recognized food-grade material. With its cost advantage, it is widely used in various building water supply, industrial water supply, and oil-gas medium environments where the corrosion resistance requirement is not high. It is currently the stainless steel pipe fitting material with the largest usage and the widest popularization range.

316L Material: A medical-grade material. With its good corrosion resistance, it is widely used in working conditions with high corrosion resistance requirements, such as coastal and island buildings, swimming venues, shipbuilding, etc. The high corrosion resistance makes the stainless steel pipeline system have the characteristics of longer service life and wider application fields.

Material Name	Material Category	Allowable Chloride Content in Transported Water (mg/L) Cold Water (Temperature ≤40℃)	Allowable Chloride Content in Transported Water (mg/L) Hot Water (Temperature ≥40℃)
06Cr19Ni10(304)	Austenitic	≤200	≤50
022Cr17Ni12Mo2(316L)	Austenitic	≤1000	≤250

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