... Hydraulic Test CHEGNDE KAIDA WELCOME YOU Product ItemElbows malleable iron pipe fittingSize1/2"-4"Thread StandardBS AM DINFinishBlackPackingCartons, woven bags ... material, precise angles, good antirust propertyProduct UsageSuitable for joining pipe lines of team, gas, oil, airTensile Strength: ≥330Mpa ... adazhang85 CHEGNDE KAIDA WELCOME YOU Elbow malleable iron pipe fitting//Manufacturer