... L, 301,321, AF316L, 2520 .... The company specializes in producing stainless steel pipes, the main material: 304,304 L, 301,321, AF316L ... *120 , the thickness is 1.5-10. Welcomed the call letters ordering!stainless steel seamless tubematerialStandardφ6*1-1.5φ28*2-3φ89*4-50Cr18Ni9 ... -10φ27*2-3φ76*3-4φ530*10-12Notes: Every material Can be customized 30*30*1.5-4 stainless steel square pipe ...