pass CE and ISO, and have a good price and great quality 1) Type: butt welded pipe fittings, welded & seamless pipe fitting, such ... steel,alloy steel ,Stainless steel6) Our products are corrosion and high-temperature resistant7) Applications range: for use in the petroleum ... foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, and other fields 45 degree elbow