NBR 7247

NBR 7247 (焊接铜管 - 一般要求)· NBR (巴西) · 18 种材料

名称	材料组别
C10200	铜	chevron_right
C10300	铜	chevron_right
C11000	铜	chevron_right
C12000	铜	chevron_right
C12200	铜	chevron_right
C23000	铜	chevron_right
C26000	铜	chevron_right
C26800	铜	chevron_right
C27200	铜	chevron_right
Cu-DHP	铜	chevron_right
Cu-DLP	铜	chevron_right
Cu-ETP	铜	chevron_right
Cu-OF	铜	chevron_right
Cu-OFXLP	铜	chevron_right
CuZn15	铜	chevron_right
CuZn30	铜	chevron_right
CuZn33	铜	chevron_right
CuZn37	铜	chevron_right