例如20MnVB钢中钒为0。07-0!12%，硼为0.001-0!005%。G级Y质钢应在钢号最后加"A"，以区别于一般Y质钢!专门用途的合金结构钢，钢号冠以(或后缀)代表该钢种用途的符号.例如铆螺专用的30CrMnSi钢，钢号表示为ML30CrMnSi！对专业用低合金高强度钢，应在钢号最后标明!例如16Mn钢，用于桥梁的专用钢种为"16Mnq"，汽车大梁的专用钢种为"16MnL"，压力容器的专用钢种为"16MnR"!

　　现货规格表规格数量规格数量规格数量10×21895×5-6-8-10-12-14-16-2050325×28-32-34-38-427512×218102×5-5-6-7-8-10-12-14-16-2080351×10-16-20-25-4012014×2-5-320108×5-5-6-7-8-10-12-14-18-20-2275355×6-18-20-25-30-40/524516×2-5-430114×5-5-6-7-8-10-12-14-18-20100377×8-12-15-20-24-2812818×3-4-520121×5-5-6-7-8-10-12-14-16-20102377×30-37-40-45-506020×5-3-517127×5-5-6-7-8-10-12-14-16-2095402×10-15-20-25-30-357024×5-3-4-5-625133×5-6-8-12-14-16-18-20-25-30120406×10-20-25-28-35-4011025×5-3-4-5-628140×5-6-7-8-9-10-12-14-16-20-2250426×10-12-14-16-20-25-30-35-409728×3-5-4-5-630146×5-6-8-12-14-16-18-20-25-3060450×10-12-14-16-20-25-34-40-5010832×5-4-5-6-840152×5-6-8-12-14-16-18-20-25-3060480×10-12-14-16-18-20-25-30-409534×4-5-6-835159×5-6-10-12-1480500×10-12-14-16-5010036×5-5-6-830159×16-18-20-22-25-3030510×10-12-14-16-20-25-34-40-5011038×4-5-6-7-8-9-1033168×8-10-12-14-20-25-30-35130530×10-12-14-16-18-20-30-4014039×5-5-8-1030180×8-12-16-25-30105560×10-14-16-20-25-30-40-50-6012442×5-4-5-6-7-8-9-1035180×32-34-38-40-45-50102580×10-14-16-20-30-40-50-709845×5-4-5-6-7-8-940194×6-8-12-16-20-25-30-40-45-50140600×10-14-18-25-20-30-50-6013048×5-4-5-6-7-8-9-1024203×6-7-10-15-20-25-3090610×10-14-18-25-20-30-50-607551×5-4-5-6-7-8-9-1060203×32-36-40-45-5070620×14-20-30-35-45-50-6010256×5-4-5-6-7-8-9-1058219×6-8-12-16-18-20-25110630×10-20-30-40-5513057×5-5-6-7-8-9-10-1250219×30-40-45-50-5565640×12-25-32-40-50-659060×5-5-5-6-7-8-9-12-1460219×55-58-60-65-7080650×15-20-30-40-50-60-658563×5-5-5-6-7-8-9-10-12-1440245×8-10-14-17-20-22105680×20-25-35-45-657568×4-5-5-6-7-8-9-10-12-14-1635245×25-28-30-34-4084710×10-20-30-45-50-659070×4-5-5-6-7-8-9-10-12-15-1640273×7-9-12-15-18-20-25100720×10-20-30-45-50-6512073×4-5-5-6-7-8-9-10-12-1550273×30-35-38-40-45-5050750×20-35-45-6010076×4-5-5-6-7-8-9-10-12-1460299×8-12-16-20-24-2860780×45-656583×5-5-10-12-14-16-18-2030299×30-32-36-38-40-4570820×12-20-35-50-657089×5-8-10-12-14-16-18-2040325×8-12-14-18-38-42120830-710×25-35-43-6558搜索发现.

　　力学性能标准牌号抗拉强度(MPa)屈服强度(MPa)伸长率(%)硬度GB308710335~475≥195≥24/20410~550≥245≥20/GB531020G410~550≥245≥24/20MnG≥415≥240≥22/25MnG≥485≥275≥20/15CrMoG440~640≥235≥21/12Cr2MoG450~600≥280≥20/12Cr1MoVG470~640≥255≥21/12Cr2MoWVTiB540~735≥345≥18/10Cr9Mo1VNb≥585≥415≥20/ASMESA210SA210A-1≥415≥255≥30≤143HBSA210C≥485≥275≥30≤179HBASMESA213SA213T11≥415≥205≥30≤163HBSA213T12≥415≥220≥30≤163HBSA213T22≥415≥205≥30≤163HB钢中的钒V、钛Ti、铝AL、硼B、稀土RE等合金元素，均属微合金元素，虽然含量很低，仍应在钢号中标出!

台州知名42crmo合金管哪家便宜

　　SA213T23≥510≥400≥20≤220HBSA213T91≥585≥415≥20≤250HBSA213T92≥620≥440≥20≤250HBDIN17175ST48/Ⅲ410~530≥255≥21/15Mo3450~600≥270≥2213CrMo44440~590≥290≥22/10CrMo910480~630≥280≥20/合金管的材质大致有：16-50Mn、27SiMn、40Cr、12-42CrMo16Mn12Cr1MoV、T9127SiMn30CrMo15CrMo20GCr9Mo10CrMo91015Mo315CrMoV35CrMoV45CrMo、15CrMoG、12CrMoV、45Cr、50Cr、45CrNiMo等！