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,
A Visual Guide to Understanding Rheumatoid Arthritis (RA). Juvenile rheumatoid arthritis is joint inflammation and stiffness for more than 6 weeks in a child or teen aged 16 or younger.Inflammation causes redness, swelling, warmth, and soreness in the joints. But many children with JRA do not complain of joint pain.esides joint pain, JRA may cause chronic fever and anemia. In some people, it can also affect the heart, lungs, eyes, and nervous system. Flare-ups may last for several weeks. Later on, their symptoms may be less severe. Symptoms of JRA may include: 1  Fevers of 103 F or higher. 2  Pink rash that comes and goes. 3  Eye inflammation.