... , Size: 1/2"--48" (DN15--DN1200) 3, Certification:SGS Specialized in producing elbow Features: 1) Type: butt welded and seamless2) Size ... , JIS B2313. 5) Material: Stainless steel (304/304L, 316/316L, 317L,321, 321H, 310S, 347H,S31803,904L,)6) Applications range: For use in ... ourselves to provide customers with higher and better service Specialized in producing elbow