Stainless steel: astm a312 tp 304, 304l, 304h, 316, 316l, 317, 317l, 321, 310, 347, 904l etc. Ferro alloy: monel, nickle, inconel, incoly, titanium etc. Seamless & welded pipes & tubes in all sizes. Alloy steel: astm a234 wp1, wp5, wp9, wp11, wp22,wp91 etc.