牌号 | X20Cr 13 |
欧标钢号 | 1.4021 |
对应标准 | EN 10088-3-2014
不锈钢 - 第3部分:半成品,棒材,杆材,线材,型材和光亮产品的一般用途耐腐蚀钢的交货技术条件 Stainless steels-Part 3: Technical delivery condition for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
归类 | 马氏体不锈钢 |
性能 | 耐腐蚀 |
标签 | 马氏体不锈钢(组别C1) 使用温度400°C 紧固件高温材料 |
说明 | 该牌号是制造螺栓、螺钉、螺柱和螺母的高温材料之一,建议紧固件最高使用温度400°C。淬火后具有较高的强度,并有磁性。C1组钢的耐腐蚀性能有限,用于涡轮、泵和刀 物理性能参考EN 10088-1-2014 |
Steel designation | Hot forming | Heat treatment symbol | Annealing | Quenching | Tempering | ||||
Name | Number | Temperature°C | Type of cooling | Temperature°C | Type of cooling | Temperature°C | Type of cooling | Temperature°C | |
X20Cr13 | 1.4021 | 1100 to 800 | slow cooling | +A | 745 to 825 | air | - | - | - |
+QT700 | - | - | 950 to 1050 | oil,air | 650 to 750 | ||||
+QT800 | - | - | 950 to 1050 | oil,air | 600 to 700 |
Steel designation | Heat treatment condition | Minimum 0.2%-proof strength(MPa) at a temperature (in°C) of: | |||||||
Name | Number | 100 | 150 | 200 | 250 | 300 | 350 | 400 | |
X20Cr13 | 1.4021 | +QT700 | 460 | 445 | 430 | 415 | 395 | 365 | 330 |
+QT800 | 515 | 495 | 475 | 460 | 440 | 405 | 355 |
各温度时弹性模量 | 20°C与各温度间热膨胀系数 | 热导率 | 比热容 | 电阻率 | 磁性 | |||||||
20°C | 100°C | 200°C | 300°C | 400°C | 100°C | 200°C | 300°C | 400°C | 20°C | 20°C | 20°C | |
GPa | 10-6 K-1 | W/m.K | J/kg.K | Ω.mm2/m | ||||||||
215 | 212 | 205 | 200 | 190 | 10.5 | 11 | 11.5 | 12 | 30 | 460 | 0.6 | 有 |
材料牌号对应供应商