1.17-4 PH & 15-5 PH Stainless Steel: Core Alloys for Precision Casting At Welleshaft, we specialize in 17-4 cast parts and 15-5 PH stainless steel (15 5 ph stainless steel) investment castings, engineered to meet the strictest industrial demands. Whether you need high-strength 17-4 cast components or corrosion-resistant 15-5 PH alloys, we design precision casting processes that deliver parts balancing durability, accuracy, […]