Class150~2500 Standard Ansi: ansi b16.5, ansi b16.47, ansi b16.48, ansi b16.36, asme b16.5, api 6b, 6bx, iso7005-1, bs4504-3.1, jpi7s-15-93, nfe29-203, api608-81, asmeb16.36;norsok standard l-005;jis: jis b2220; din:din2630, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638, 2501(wn); dn2573, 2576, 2527, 2655, 2656(pl);din2566(th) Carbon steel Astm a694 f42, f46, f48, f50, f52, f56, f60, f65, f70; astm a234 wpb, wpc;astm a420 wpl6, wpl3; Astm a105;astm a860 wphy42, wphy52, wphy60, wphy65, wphy70; astm a350 lf1, lf2, lf3; astm a266 gr.1, gr.2, gr.3, gr.4 Stainless steel Astm / asme a/sa 182 f 304, 304l, 304h, 309s, 309h, 310s, 310h, 316, 316ti, 316h, 316l, 316ln, 317, 317l, 321, 321h, 347, 347h, 348, 348h, f40/s31254, f20/n08020, f45/s30815, F46/s30600, f47/s31725, f48/s31726, f49/s34565, f56/s33228, f58/s31266, f62/n08367/1.4529 Alloy steel Astm/ asme s/a234/ a 234m wp5, wp9, wp11, wp12, wp22, wp9; astm/ asme s/a182/ a 182m f5, f5a , f9, f11, f12, f22, f91;astm/ asme s/a336/ a 336m f5, f9, f11, f12, f22, f91. Pallect