高压锅炉管、化肥专用管、石油裂化管、流体管、20#、45#、16Mn、27SiMn

宝钢、无锡、天津

鞍钢、鲁宝、无锡

天津、包头、成都

天津、包头、成都

14-16-18*2-2.5-3

83-89*4.5-6-8-10-16

168*10-16-20-30

351*10-12-14-16-22

20*2-205-3-4-5

95*6-8-10-12-14-16

180*7-8-10-12-14-16

351*25-28-30-35-40

22*0-2.2-3-4

102*4.5-8-14-18-25

180*18-22-25-28-30

377*10-14-18-25

25*2.5-3-4-5

108*5-6-8-10-12-14

194*7-8-9-10-12-14-16

377*28-30-35-40-45

28*2.5-3-4-4.5

108*16-20-22-25-28

194*18-20-22-25-30

402*10-12-14-16-18-20

30*3-3.5-4-6

114*5-6-7-8-10-12

203*7-8-10-12-14-16

402*22-25-28-30-34

32*3-3.5-4-5-6

114*14-16-18-20-22-25

203*18-20-22-25-35

402*38-40-45-50

34*3-3.5-4-5-6

121*-6-8-10-12-14-16

219*6-7-8-10-12-14

406*10-12-14-16-18-20

38*3.5-4-5-6

121*18-20-22-25-30

219*16-18-20-22-25

406*22-25-28-30-32

42*4-6-7-8-10

127*6-7-8-10-12-14-16

219*28-30-35-40

406*35-40-45

45*3.5-4-5-6-7-8-10

127*18-20-22-25-30

245*9-10-12-14-16-18

426*10-12-14-16-18-20

48*3.5-4-5-6-7-8-10

133*5-6-7-8-10-12-14

245*30-32-35-38-40

426*22-25-28-30-32

51*3.5-4-6-8-10

133*16-18-20-22-25

273*9-10-12-14-16-19

426*35-40-45-50

54*3.5-4-5-6-8-10-12

140*5-6-7-8-10-12-14

273*20-22-25-28-30

450*10-12-16-20-35-50

57*3.5-4-6-7-8-10

140*16-18-20-22-25

273*32-35-40

457*12-16-18-20-45

60*3.5-4-5-6-7-8-10

146*6-8-10-12-14-16

299*10-12-14-16-18-20

480*12-14-20-25-50

63.5*4-6-8-9-10-12

146*18-20-22-25-30

299*22-25-28-30-35

508*12-20-30-40-55

68*4-6-8-10-12-14

152*5-6-8-10-12-14

325*9-10-12-14-16-18

530*12-14-16-18-30-

73*4-6-8-10-12-14

152*16*18*20*22*2

325*20-22-25-28-30

630*12-16-20-25-30-50

76*4-6-7-8-12-16-20

159*5-8-10-14-18-30

325*32-35-40-45

720*12-16-20