天津、成都、包钢 20#　45# 结构、流体管

68*6-7-835-10-11-12-12.5-14

133*4-4.5-6-10-12-14.5-16-18-20

73*6-7-8-8.5-10-11-12-12.5-14

140*6-8-10-12-14-16-18-18.5-20

76*4-4.5-5-6-8-10-12-14-16-20

146*6-8-10-12-14-16-18-18.5-2

80*6-8-10-12-12.5-14-16-18-20

152*6-8-10-12-12.5-14-16-18-20

83*6-8-10-12-12.5-14-16-18-20

159*6-8-10-12-14-14.5-16-18-20

89*4-4.5-6-8-10-12-4-16-18-20

168*6-8-10-12-14-16-16.5-18-20

95*6-8-10-12-12.5-14-16-18-20

180-194-203*25-28-30-35-40

102*4-4.5-6-8-10-12-14-16-18-20

232-245-299*25-28-30-35-40

108*4-4.5-6-8-10-12-14-16-18-20

325-377-406*30-35-40-45-50

114*4-4.5-6-8-10-12-14-16-18-20

426-450*12-16-20-25-30-40

121*6-8-10-12-12.5-14-16-18-20

480-508*16-18-25-30-35-40

127*6--8-10-12-12.5-14-16-18-20

530-580*18-20-22-30-35-4