日本黄区免费视频播放

合金管：材質 2Cr1MoVG  15CrMoG  P22(10GrMo910) P11　T91　P91　WB36　12Cr2MoWVTiB 等各種材質合金管。
630×12-16-20-25-30-50	219×28-30-35-40	102×16-18-20-22-25
530×12-14-16-18-30-40	219×14-16-18-20-22-25	102×4.5-6-8-10-12-14
508×12-20-30-40-55	219×6-7-8-9-10-12-14	95×6-8-10-12-14-16
480×12-14-20-25-50	203×18-20-22-25-35	89×4.5-6-7-8-10-14-16
457×12-16-18-20-45	203×7-8-10-12-14-16	83×4.5-6-8-10-12-14
450×10-12-16-20-35-50	194×18-20-22-25-30	76×4-6-7-8-10-12-16-20
426×20-22-28-30-32	194×7-8-9-10-12-14-16	73×4-6-8-10-12-16
426×12-14-16	180×18-22-25-28-30	68×4-6-8-10-12-14
406×22-25-28-30-32-35-40-45	180×7-8-10-12-14-16	63.5×4-6-8-9-10-12
406×10-12-14-16-18-20	168×18-20-22-25-30	60×3.5-4-5-6-7-8-9-10
402×38-40-45-50	168×5-6-8-10-12-14-16	57×3.5-4-6-7-8-10
402×22-25-28-30-34	159×16-18-22-25-30	54×3.5-4-5-6-8-10-12