HT 45 DEGREE LR 30 X SCH30 ASTM A234 WPB HEAT 2563881 CARBON STEEL
There are the pressure grade ASTM A234 WPB Pipe Fittings in ? inches to 24 inches nominal bore sizes with different wall thicknesses that correspond to the schedules.It does not cover cast welding fittings which refered standards are ASTM A216/A216M and A217/217M.
A minimum of two pieces per batch or continuous run shall be hardness tested to ensure fittings of each grade comply with Table 2. Except only one fittings is pruchased and except Grade WP91 Type 1 and Type 2.The welded and fabricated fittings are used in industries such as oil and gas, petroleum and in pressure vessel grade applications.