What type of stainless steel is used in the Aqua Joe AJSGH100-MAX Heavy Duty Steel Hose? The Aqua Joe AJSGH100-MAX 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 AJSGH100 Heavy Duty Garden Hose compatible with my existing irrigation accessories? What are the advantages of using SAE 304 Stainless Steel in the AJSGH100-MAX Aqua Joe Heavy Duty Garden Hose? Does the Aqua Joe PRO Fiberjacket Hose offer protection from UV Rays? Are the fittings on the Aqua Joe AJSGH100-MAX Heavy Duty Garden Hose compatible with my existing irrigation accessories?