1、 執(zhí)行標準：<SPAN style="LIST-STYLE-TYPE: none; BOX-SIZING: border-box; BORDER-TOP: medium none; FONT-FAMILY: " 0px; PADDING-RIGHT: BORDER-LEFT: MARGIN: PADDING-LEFT: PADDING-TOP: PADDING-BOTTOM: none; BORDER-BOTTOM: BORDER-RIGHT: sans-serif; YaHei?, Microsoft Helvetica, Arial, Neue?, ?Helvetica simsun, medium break-word? overflow-wrap: break-all; WORD-BREAK:>GB/T3091-2015 低壓流體輸送用焊接鋼管<SPAN style="LIST-STYLE-TYPE: none; BOX-SIZING: border-box; BORDER-TOP: medium none; FONT-FAMILY: " 0px; PADDING-RIGHT: BORDER-LEFT: MARGIN: PADDING-LEFT: PADDING-TOP: PADDING-BOTTOM: none; BORDER-BOTTOM: BORDER-RIGHT: sans-serif; YaHei?, Microsoft Helvetica, Arial, Neue?, ?Helvetica simsun, medium break-word? overflow-wrap: break-all; WORD-BREAK:>
GB/T13793-2016 直縫電焊鋼管<SPAN style="LIST-STYLE-TYPE: none; BOX-SIZING: border-box; BORDER-TOP: medium none; FONT-FAMILY: " 0px; PADDING-RIGHT: BORDER-LEFT: MARGIN: PADDING-LEFT: PADDING-TOP: PADDING-BOTTOM: none; BORDER-BOTTOM: BORDER-RIGHT: sans-serif; YaHei?, Microsoft Helvetica, Arial, Neue?, ?Helvetica simsun, medium break-word? overflow-wrap: break-all; WORD-BREAK:>
2、 適用范圍：輸送水、空氣、采暖蒸汽和燃氣等低壓流體等用途；<SPAN style="LIST-STYLE-TYPE: none; BOX-SIZING: border-box; BORDER-TOP: medium none; FONT-FAMILY: " 0px; PADDING-RIGHT: BORDER-LEFT: MARGIN: PADDING-LEFT: PADDING-TOP: PADDING-BOTTOM: none; BORDER-BOTTOM: BORDER-RIGHT: sans-serif; YaHei?, Microsoft Helvetica, Arial, Neue?, ?Helvetica simsun, medium break-word? overflow-wrap: break-all; WORD-BREAK:>
機械、建筑等結構用途。<SPAN style="LIST-STYLE-TYPE: none; BOX-SIZING: border-box; BORDER-TOP: medium none; FONT-FAMILY: " 0px; PADDING-RIGHT: BORDER-LEFT: MARGIN: PADDING-LEFT: PADDING-TOP: PADDING-BOTTOM: none; BORDER-BOTTOM: BORDER-RIGHT: sans-serif; YaHei?, Microsoft Helvetica, Arial, Neue?, ?Helvetica simsun, medium break-word? overflow-wrap: break-all; WORD-BREAK:>
3、 原料材質(zhì)：<SPAN style="LIST-STYLE-TYPE: none; BOX-SIZING: border-box; BORDER-TOP: medium none; FONT-FAMILY: " 0px; PADDING-RIGHT: BORDER-LEFT: MARGIN: PADDING-LEFT: PADDING-TOP: PADDING-BOTTOM: none; BORDER-BOTTOM: BORDER-RIGHT: sans-serif; YaHei?, Microsoft Helvetica, Arial, Neue?, ?Helvetica simsun, medium break-word? overflow-wrap: break-all; WORD-BREAK:>Q195 Q215 Q235
