Stainless Steel 316L Instrumentation Tube Fittings. We pride ourselves on delivering top-quality tube fittings crafted from high-quality raw materials using advanced machinery. Our products adhere to various standards, designations, specifications, and can be customized to meet specific dimensions. We prioritize global standards and design codes to ensure the exceptional quality of our offerings.Stainless Steel 316L Instrumentation Tube Fittings boast a higher work-hardening rate, providing increased strength in hard and full hard tempers. Even in hard conditions, these fittings retain sufficient ductility and can be roll or brake formed.