... are 1.4301,1.4541,1.4404 Stainless Seamless Steel Pipe(1.4306)Features:1) Size: 1/2"sch10(21.3 ... industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear)B) Fluid, gas and oil transportC) Pressure and heat transmissionD) Construction ... ,Chile, Argentina, Taiwan, Thailand,Indonesia,Singapore, India Stainless Seamless Steel Pipe 1.4306 D2/T2