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R350HT U71MnG U75VG 11 33 60 kg/m Steel Railway Rail. Based on their application, modern steel rails can be divided into three categories:
1. Light rails for mining railways, available in eight types: 8 kg/m, 9 kg/m, 12 kg/m, 15 kg/m, 18 kg/m, 22 kg/m, 24 kg/m, and 30 kg/m.
2. Heavy rails for passenger and freight railways, mainly available in five types: 38 kg/m, 43 kg/m, 50 kg/m, 60 kg/m, and 75 kg/m. There are also turnout rails for changing tracks, available in 50AT and 60AT versions.
3. Crane rails for cranes, currently available in four specifications: QU70, QU80, QU100, and QU120.
Steel rails can be categorized into three types based on the materials used: high-quality carbon rails, alloy rails, and fully heat-treated rails.SS、IHHS U71Mn、U75V、U71MnG、U75VG、U76CrRE、U20Mn、U71Mn-HL、U75V-HL、U74、PD2、PD3、BNbRE、U71Cu、U70MnSi、U71MnSiCu、55Q、Q235B、Q345B、50Mn、60Si2Mn，A50, A55, A65, A75, A100.
1. High-quality carbon rails primarily utilize carbon and manganese to enhance strength and toughness, with sulfur and phosphorus content controlled below 0.030%. Major grades include U74 and U71MN.
2. Alloy rails are based on carbon rails, with the addition of appropriate alloying elements such as V, Ti, CCr, and Mo to improve strength and toughness. In my country, alloy rails include RE-Nb, RE-Cr, and V-Ti rails, with major grades including U76RENB, U75V, and U76CrRE.
3. Fully heat-treated rails use the above two types of steel rails as their base, employing a heat treatment process involving heating and controlled cooling to improve their internal microstructure, refine grains, and form a fine pearlite structure, thus achieving high strength and high toughness.
Based on their mechanical properties, rails can be divided into three categories: the first category is ordinary rails, which are rails with a tensile strength of not less than 100 MPa; the second category is high-strength rails, which are rails with a tensile strength of not less than 900 MPa; and the third category is wear-resistant rails, which are rails with a tensile strength greater than 980 MPa.
| Size | A | B | b | tw | A(cm2) | （㎏/m) | y1(㎝) | y2(㎝) | Ix(cm4) | W1=Ix/y1(cm3) | W2=Ix/y2(cm3) | Iy(cm4) | Wy(cm3) | L(m) |
| 5kg/m | 50 | 44 | 22 | 4.5 | 6.41 | 5.03 | 2.22 | 2.78 | 25.2 | 11.4 | 9.1 | 5.35 | 2.43 | 5～10 |
| 8kg/m | 65 | 54 | 25 | 7 | 10.76 | 8.42 | 2.89 | 3.61 | 59.3 | 20.6 | 16.4 | 9.62 | 3.56 | 5～10 |
| 11kg/m | 80.5 | 66 | 32 | 7 | 14.31 | 11.2 | 3.96 | 4.09 | 125 | 31.7 | 30.5 | 15.1 | 4.58 | 6～10 |
| 15kg/m | 91 | 76 | 37 | 7 | 18.8 | 14.72 | 4.35 | 4.75 | 222 | 51 | 46.6 | 30.2 | 7.94 | 6～12 |
| 18kg/m | 90 | 80 | 40 | 10 | 23.07 | 18.06 | 4.29 | 4.71 | 240 | 56.1 | 51 | 41.1 | 10.3 | 7～12 |
| 24kg/m | 107 | 92 | 51 | 10.9 | 31.24 | 24.95 | 5.31 | 5.39 | 486 | 91.6 | 90.1 | 80.5 | 17.49 | 9～12 |
| 33kg/m | 120 | 110 | 60 | 12.5 | 42.5 | 33.29 | 5.76 | 6.24 | 821.9 | 142.6 | 131.8 | 165.1 | 30 | 12.5 |
| 38kg/m | 134 | 114 | 68 | 13 | 49.5 | 38.73 | 6.67 | 6.73 | 1204.4 | 180.6 | 178.9 | 209.3 | 36.7 | 12.5;25 |
| 43kg/m | 140 | 114 | 70 | 14.5 | 57 | 44.65 | 6.9 | 7.1 | 1489 | 217.3 | 208.3 | 260 | 45 | 12.5;25 |
| 50kg/m | 152 | 132 | 70 | 15.5 | 65.8 | 51.51 | 7.1 | 8.1 | 2037 | 287.2 | 251.3 | 377 | 57.1 | 12.5;25 |
| QU70 | 120 | 120 | 70 | 28 | 67.3 | 52.8 | 5.93 | 6.07 | 1082 | 182.5 | 178.1 | 327.2 | 54.53 | 9.0;9.5 |
| QU80 | 130 | 130 | 80 | 32 | 81.13 | 63.69 | 6.43 | 6.57 | 1547.4 | 240.7 | 235.5 | 482.4 | 74.21 | 10;10.5 |
| QU100 | 150 | 150 | 100 | 38 | 113.32 | 88.96 | 7.6 | 7.4 | 2864.7 | 376.9 | 387.1 | 941 | 125.45 | 11;11.5 |
| QU120 | 170 | 170 | 120 | 44 | 150.44 | 118.1 | 8.43 | 8.57 | 4923.8 | 584.1 | 574.5 | 1694.8 | 199.39 | 12;12.5 |
Shandong Anli Metal Co., Ltd. is a leading comprehensive enterprise integrating various metal products. Our portfolio includes hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, steel sections, steel pipes, heat exchange pipes, automobile exhaust pipes, anchor rods, steel wires, and metal mesh. Additionally, we offer stainless steel, aluminum, copper, and metal raw materials such as billets, aluminum ingots, zinc ingots, magnesium ingots, and lead ingots.
With five production and sales bases strategically located in Binzhou, Liaocheng, Wuxi, Tianjin, Jinan, and Tai'an, we boast over 100 production lines. Our group company has imported the most advanced technology from Germany, Japan, Belgium, the United States, and the United Kingdom for iron-smelting and steel processing. Equipped with a complete automatic system, we have become one of the largest and most advanced professional manufacturers in China.
We possess four nationally recognized laboratories, two technical engineering centers, and five corporate technology centers, ensuring the highest quality standards. Our products are exported to more than 50 countries and regions worldwide, including North America, South America, Europe, the Middle East, Russia, Africa, and others.
Company Philosophy:
• Quality First: We adhere strictly to production standards during production and inspection.
• Price Advantage: We offer discounts based on real market prices.
• Transaction Security: Customer funds are always protected.
• After-Sales Guarantee: We treat customer problems as our own.
• Long-Term Cooperation: Our quality assurance, price advantage, and sincere service ensure lasting partnerships.
Shandong Anli Metal, with quality as the foundation and technology as the leader, sincerely invites friends from all walks of life to join us creating a brilliant chapter in the metal manufacturing industry!
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