Pipa Casing Pipa Baja Karbon Dilas Busur Terendam Longitudinal Tabung Khusus API5l/ ASTM A252 / ASTM A53 /En10219
ASTM A106 A53 A333 A335 Stpt42 G3456 St45 DN15 Sch40 A53 Grade B Ukuran Standar API 5L Hot Rolled/Dingin Ditarik Smls Pipa Baja Karbon Bulat Paduan Hitam Mulus