This chart gives dimensional-size data for American National Standard Schedule 40 Welded and Seamless Steel Pipe. Related: 1  Schedule 80 Steel Pipe Sizes & Dimensions ANSI. 2  Schedule 40 Plastic PVC, CPVC Pipe Sizes & Dimensions.
Juvenile Rheumatoid Arthritis definition, categories, type and other relevant information provided by All Acronyms. JRA stands for Juvenile Rheumatoid Arthritis Search for acronyms, abbreviations,
1 Systemic â least common form of JRA; it affects many parts of the body, including joints and internal organs. 2  Children with this type may have frequent fevers and rashes that can come and go rapidly. 3  Psoriatic arthritis â associated with the skin condition psoriasis, either in the child, a sibling, or a parent. Pauciarticular (Oligoarthritis) â about 50% of the cases of JRA are of this type; it affects 4 or fewer joints, usually large joints such as the knees or wrists, and is associated with eye inflammation.