ASTM A403 stainless steel pipe fitting 1. TEE, ELBOW, REDUCER, CAP, LAP JOINT ... "--48" 3. Thickness:SCH5S--SCH160 ASTM A403 stainless steel pipe fitting1. TYPE: TEE, ELBOW, REDUCER, CAP, LAP ... WP347H,A403-WP317,A403-WP317L,A403-WP321,A403-WP321H6. Seamless and welded7. Use: petroleum,chemical,nuclear,power,ship ... construction industry etc. ASTM A403 stainless steel pipe fitting-ex ISO certificated