国内阀门材料常用技术标准 熔敷金属化学成分及硬度(续2)
序号 | 焊条型号 | 熔敷金属化学成分,% |
熔敷金 属硬度 HRC (HB) |
||||||||||||||
C | Mn | Si | Cr | Ni | Mo | W | V | Nb | Co | Fe | B | S | P |
其它 元素 总量 |
|||
24 | EDRCrMoWCo-B-×× | 0.08~0.12 | 0.30~0.70 | 0.80~1.60 | 1.80~3.20 | - | 7.80~11.20 | 8.80~12.20 | 0.40~0.80 | - | 15.70~19.30 | 余量 | - | - | - | - | 62~66*) |
25 | EDCr-A1-×× | 0.15 | - | - | 10.00~16.00 | - | - | 0.03 | 0.04 | 2.50 | 40 | ||||||
26 | EDCr-A2-×× | 0.20 | 6.00 | 2.50 | 2.00 | - | - | 37 | |||||||||
27 | EDCr-B-×× | 0.25 | - | - | - | 5.00 | 45 | ||||||||||
28 | EDMn-A-×× | 1.10 | 11.00~16.00 | 1.30 | - | (170) | |||||||||||
29 | EDMn-B-×× | 11.00~18.00 | 2.50 | 1.00 | |||||||||||||
30 | EDMn-C-×× | 0.50~1.00 | 12.00~16.00 | 2.50~5.00 | 2.50~5.00 | - | 0.035 | 0.035 | - | ||||||||
31 | EDMn-D-×× | 15.00~20.00 | 4.50~7.50 | - | 0.40~1.20 | ||||||||||||
32 | EDMn-E-×× | 3.00~6.00 | 1.00 | - | |||||||||||||
33 | EDMn-F-×× | 0.80~1.20 | 17.00~21.00 |
This region has not yet joined our new website. You will now continue to the existing site for 网站名称