What is the type of stainless steel used in the AJSGH75 Steel Hose? The Aqua Joe Heavy Duty Steel Hose is made of SAE 304 Stainless Steel, a high-quality alloy that is known for its durability, lightweight properties, and resistance to corrosion, temperature, and puncture. Related articles Are the fittings on the AJSGH75 compatible with my existing irrigation accessories? What is the coverage area of the Aqua Joe AJ-IST39BM? Are the fittings on the Aqua Joe AJSGH100-MAX Heavy Duty Garden Hose compatible with my existing irrigation accessories? What are the advantages of using SAE 304 Stainless Steel in the Garden Hose model number AJSGH75? What is the temperature rating for my Garden Hose?