ASTM B622 Alloy C22 Seamless Pipe & Tube, Annealed | UNS N06022 Shaanxi Shangyou Stainless Steel Co., Ltd. supplies astm b622 alloy c22 seamless pipe & tube, annealed | uns n06022 for buyers whose primary search intent is seamless pressure and heat-transfer product for chemical service, not generic stainless or nickel-alloy stock. The page should be quoted against the selected standard edition, the equipment or component drawing and the governing design code. Solution