name: straight tee , reducing tee , straight cross , reducing cross material: astm/asme sa234-wpb, wpc, wpl6, wp12, wp11, wp5, wp22; sa403-wp304, wp304l, wp316, wp316l. size: 1/2"-48", dn15-dn1200 pressure: sch5-sch160, xxs standards: iso. ansi. jis. din gb/t12459, gb/t13401, asme b16.9, sh3408 sh3409, hg/t21635, hg/t21631, sy/t0501 use: petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc