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16Mn low-alloy tube
16Mn low-alloy tube is: 16Mn is called low-alloy high-strength structural steel, low-alloy high-strength structural steel: with a carbon content of 0.
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16Mn low-alloy tube is: 16Mn is called low-alloy high-strength structural steel. Low alloy high-strength structural steel: with a carbon content of 0.1% -0.25%, it contains the main alloying elements manganese, silicon, vanadium, niobium, and titanium
Wait; Its total alloy content is less than 3%. Divided into four levels based on strength: 300, 350, 400, and 450MPa. Mainly Q295, Q345, Q390, Q420
Q460。 Q "is the capital Chinese pinyin prefix of the" qu "character for yielding, followed by the minimum yield point (σ s) value of the grade, and the symbol after it is in descending order of impurity element (sulfur, phosphorus) content in the steel
| It is divided into four categories: A, B, C, D, etc., accompanied by changes in carbon and manganese elements. Grade A and B steel are usually referred to as 16Mn | |||
| Chemical composition of 16Mn low-alloy tube: | C: 0.12~0.20; Mn:1.20~1.60； Si:0.20~0.55； Tensile strength: 470~660 N/mm2; | Yield strength: 275~345 N/mm2; Elongation rate: 21%. The specific value depends on the thickness or diameter of the steel, and the above data corresponds to a thickness or diameter of 16~100mm for the steel | 16Mn low-alloy tube |
| Material: 16Mn, Q345B | Material: 16Mn, Q345B | Material: 16Mn, Q345B | Material: 16Mn, Q345B |
| specifications | specifications | specifications | specifications |
| 22*2.5 | 89*6 | 133*7 | 245*12 |
| 25*2.5 | 89*6 | 133*7 | 273*8 |
| 25*4.5 | 89*6.5 | 133*8 | 273*10 |
| 32*3 | 89*7 | 133*9 | 273*10 |
| 42*4 | 89*7 | 133*10 | 273*12 |
| 45*3 | 89*8 | 133*10 | 273*14 |
| 45*4 | 89*10 | 140*6 | 299*8 |
| 50*4 | 89*12 | 140*8 | 299*10 |
| 50*5 | 89*13 | 146*8 | 299*12 |
| 51*4.5 | 95*4 | 159*6 | 299*16 |
| 57*3.5 | 95*5 | 159*10 | 325*8.5 |
| 57*4 | 95*5.5 | 159*12 | 325*12 |
| 57*5 | 95*8 | 168*6 | 325*14 |
| 60*3 | 102*5.5 | 168*7 | 325*16 |
| 60*3.2 | 102*6 | 168*8 | 351*9 |
| 60*5 | 102*7 | 168*8 | 351*10 |
| 63.5*5 | 102*14 | 168*10 | 351*14 |
| 65*4 | 102*16 | 168*12 | 351*14 |
| 67*5.5 | 108*4 | 180*6 | 351*16 |
| 68*3 | 108*5 | 180*8 | 356*8 |
| 70*5 | 108*7 | 180*8 | 377*14 |
| 70*7 | 108*8 | 180*10 | 402*9 |
| 73*3.5 | 108*13 | 180*12 | 402*10 |
| 73*5 | 114*4 | 180*16 | 402*12 |
| 73*6.5 | 114*5 | 194*6 | 402*14 |
| 76*3 | 114*5.5 | 194*8 | 402*16 |
| 76*3.5 | 114*6 | 194*8 | 426*12 |
| 76*4 | 114*6 | 194*10 | 426*14 |
| 76*4 | 114*6.5 | 194*12 | 426*16 |
| 76*5 | 114*7 | 203*10 | 426*18 |
| 76*6 | 114*7 | 203*12 | |
| 426*20 | 83*6 | 114*8 | 219*6 |
| 83*8 | 114*10 | 219*8 | 530*10 |
| 89*4 | 114*16 | 219*10 | 530*14 |
| 89*4.5 | 121*5 | 219*12 | 530*16 |
| 89*4.5 | 121*6 | 219*12 | 530*18 |
| 89*5 | 121*6 | 219*14 | 560*14 |
| 89*5 | 121*7 | 219*16 | 560*18 |
| 89*5 | 121*12 | 245*8 | 560*20 |
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