36 | API「ApiPost」Pre-A

api36API gravity express the gravity or density of crude oil and liquid petroleum products. API is devised jointly by the American Petroleum Institute and the NIST - National Institute ofYou get limited on thickness using A36A36M to 0.750 inches20mm or less. For example if thickened inserts are required, on a 20mm tub, the shell plate could be A36 but