... , DIN 2617, DIN 28011 stainless steel sch 10 pipe fittings HIGH-PRESSURE, MEDIUM-PRESSURE,LOW-PRESSURE, CARBON STEEL, ALLOY STEEL AND STAINLESS STEEL ELBOWS, TEES, REDUCERS, CAPS ... , ELECTRIC POWER, ASTRONAUTICS, WAR INDUSTRY, FIRE PREVENTION, METALLURGY, SHIPBUILDING, FUEL GAS, NUCLEAR ELECTRICITY, URBAN CONSTRUCTION, HOT-WATERHEAT AND ENVIRONMENTAL PROTECTON AND ...