封头
标准
ANSI/ASME B16.9,ANSI/ASME B16.28,DIN2617, JIS B2311, GOST17375-001,GOST17378-2001
材料
ASTM A234-WPB, A420-WPL6
ASTM A234-WP12, A234-WP11, A234-WP5
ASTM A403-WP304, A403-304L, A403-WP316, A403-WP316L
尺寸: 1/2”-24” 无缝
4”-48”焊接
表面涂层:亮黑漆;防尘油;镀锌