... 45 rigidity: carbon steel,alloy steel name:elbow 1.5Dcertificate:ISO 9001-2008 IQNetspecification:DN 500- DN ... A-105 20#, DIN , GOST 17375-2001, EN10253-1, JIS standards STAND: GB/T 13401; GB/T12459;ANSI ... / ASME B16.5; MSS SP 75elbow : 1-6D, LR , SR , seamless pipe :A106 GR. ... B / A53 / API5L SIZE : 1/2"- 48" Wall thickness :sch20, sch40, sch80 ,STD , SGP ...