Shape	alloy steel reducer
OD	21.3mm-1219.2mm
WT	sch5s,10s,40s,80s,std,xs,xxs,sch5-sch160
Material	ASTM A234 wp1,wp5,wp9,wp11,wp12,wp91 and so on.
Application	petroleum, chemical industry, medicine, electric power, astronautics, war industry, fire prevention, metallurgy, shipbuilding, fuel gas, nuclear electricity, urban construction, hot-water heat and environmental protection etc.
Certificate	ISO9001:2000 , ASME  and Boiler A-lev
Standards	ANSI, DIN, JIS, BS, ISO, GB/T, JB, SH, HGS and so on
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