硅鉬棒有1700型與1800型兩種型號，它是一種以二硅化鉬為為基礎的電阻發熱元件，在空氣下加熱到高溫，表面會生成一層致密的石英玻璃膜，保護其不再氧化，1700型元件的使用溫度為1720度，1800型元件的使用溫度可達1850℃。規格尺寸有:3/6，4/8，5/10，6/12，7/14，9/18，12/24等多種規格，硅鉬棒有直型棒、U型棒、W型棒、壓彎直角棒等，還有二硅化鉬通管、二硅化鉬熱電偶保護管、二硅化鉬探針等異型硅化鉬產品。?
| 熱端長度(mm) | 150熱端 | 180 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 |
| 熱端長度(mm) |
| 250冷端 | 1106功率(W)0.023(熱電阻)5.0(工作電壓) | 12780.0265.8 | 13930.0296.3 | 16790.0357.6 | 19660.0418.9 | 22530.04710.2 | 25400.05211.5 | 28270.05812.8 | 31140.06414.2 | 34010.07015.5 | 36870.07616.8 |
| 300 | 11430.0245.2 | 13150.0276.0 | 14300.0306.5 | 17170.0357.8 | 20040.0419.1 | 22910.04710.4 | 25780.05311.7 | 28640.05913.0 | 31510.06514.3 | 34380.07115.6 | 37250.07716.9 |
| 350 | 11810.0245.4 | 13530.0286.1 | 14680.0306.7 | 17540.0368.0 | 20410.0429.3 | 23280.04810.6 | 26150.05411.9 | 29020.06013.2 | 31890.06614.5 | 34760.07215.8 | 37620.07817.1 |
| 400 | 12180.0255.5 | 13900.0296.3 | 15050.0316.8 | 17920.0378.1 | 20790.0439.4 | 23660.04910.8 | 26530.05512.1 | 29390.06113.4 | 32260.06714.7 | 35130.07316.0 | 38000.07917.3 |
| 450 | 13410.0265.6 | 14280.0296.5 | 15430.0327.0 | 18290.0388.3 | 21160.0449.6 | 24030.05010.9 | 26900.05612.2 | 29770.06213.5 | 32640.06714.8 | 35510.07316.1 | 38370.07917.4 |
| 500 | 13960.0275.7 | 14960.0306.7 | 15800.0337.2 | 18670.0398.5 | 21540.0449.8 | 24410.05011.1 | 27280.05612.4 | 30140.06213.7 | 33010.06815.0 | 35880.07416.3 | 38750.08017.6 |
| 550 | 14870.0285.8 | 15430.0316.9 | 16300.0347.3 | 19040.0398.7 | 21910.04510.0 | 24780.05111.3 | 27650.05712.6 | 30520.06313.9 | 33390.06915.2 | 36260.07516.5 | 39120.08117.8 |
| 以上是1800型9/18硅鉬棒的參數，熱端直徑9mm，冷端直徑18mm。電流:220A表面負荷:10W/cm2 |