301S21（1.4310）中英文介绍301S21（1.4310）
301S21（1.4310）板，棒，管，钢带，线材，锻件，锻管，锻板，锻棒，圆棒，板材，薄板，无缝管，焊管，圆钢，丝材
牌号
301S21
BS 5770-4-1981
对应标准
用于制造弹簧的钢带——第4部分:马氏体和奥氏体不锈钢规范
Steel strip intended for the manufacture of springs —Part 4: Specification for martensitc and austenitic stainless steel
归类
奥氏体不锈钢
性能弹性耐腐蚀
301S21（1.4310）亚稳定奥氏体不锈钢，是易冷变形强化不锈钢，经冷加工有高的强度和硬度，并仍保留足够的塑韧性，在大气条件下具有较好的耐蚀性。不锈钢 301S21（1.4310）是一种流行的奥氏体铬镍不锈钢，以其耐腐蚀性而闻名。与304类似，它的铬和镍含量较低，这增加了其冷加工硬化范围。在大气条件下具有良好的耐腐蚀性，但在还原性介质、酸、碱、盐等化学介质中耐腐蚀性较差，因此不推荐用于恶劣的腐蚀环境。该合金主要用于冷加工状态以承受更高的载荷，同时也希望减轻设备和耐腐蚀零件的重量。期望这些标准中的规范与本数据表中给出的规范相似但不一定相同是合理的。
301S21 (1.4310) metastable austenitic stainless steel is a kind of cold deformation strengthening stainless steel. It has high strength and hardness after cold working, and still retains enough plastic toughness. It has good corrosion resistance under atmospheric conditions. Stainless steel 301S21 (1.4310) is a popular austenitic chromium nickel stainless steel, which is famous for its corrosion resistance. Similar to 304, it has low chromium and nickel content, which increases its cold work hardening range. It has good corrosion resistance under atmospheric conditions, but poor corrosion resistance in reducing media, acid, alkali, salt and other chemical media, so it is not recommended to be used in harsh corrosive environments. This alloy is mainly used in cold working state to bear higher load, and also hopes to reduce the weight of equipment and corrosion resistant parts. It is reasonable to expect the specifications in these standards to be similar but not necessarily identical to those given in this data sheet.
301S21 化学元素成分含量(%)
301S21（1.4310）的应用
轮罩
屋顶排水系统
输送带
汽车成型与装饰
地铁和铁路车厢
弹簧、软管夹
拖车和卡车车身
厨房设备
301S21（1.4310）物理性能：
①密度密度(20℃)/kg/dm3:7.93,
②熔点/℃:1398~1420 ,
③比热容(0~100℃)/kg/(kg.k):0.5,
④热导率/w/(m.k)100℃-:16.3,
⑸热导率/w/(m.k)500℃-:21.5,
⑥线胀系数/(10-6/k)0~100℃:16.9 ,
⑦线胀系数/(10-6/k)0~500℃:18.7,
⑧电阻率（20℃）/（Ω.mm2/m):0.73,
⑨纵向弹性模量（20℃）/GPa:193，
⑩磁性:无。
301S21（1.4310）力学性能:
⑵抗拉强度（RM/MPa）：520，
⑶延伸强度（Rp0.2/MPa）：205，
⑷伸长率A/%：40，
⑸断面收缩率（Z/%）：60。
301S21（1.4310）热处理：①硬度HBW≤：固溶187，硬度HRB≤：90，②加热温度：1010~1150，③加热方式：快冷。
301S21（1.4310）应用领域:主要用于冷加工状态承受较高负荷又希望减轻装备重量和不生锈的设备和部件，如铁道车辆、传送带、螺栓、螺母、紧固件等。
Application of 301S21 (1.4310)
Wheel housing
Roof drainage system
Conveyor belt
Automobile Forming and Decoration
Subway and railway carriages
Spring, hose clamp
Trailer and truck body
Kitchen equipment
301S21 (1.4310) Physical performance:
① Density (20 ℃)/kg/dm3: 7.93,
② Melting point/℃: 1398~1420,
③ Specific heat capacity (0~100 ℃)/kg/(kg. k): 0.5,
④ Thermal conductivity/w/(m.k) 100 ℃ -: 16.3,
⑸ Thermal conductivity/w/(m.k) 500 ℃ -: 21.5,
⑥ Linear expansion coefficient/(10-6/k) 0~100 ℃: 16.9,
⑦ Linear expansion coefficient/(10-6/k) 0~500 ℃: 18.7,
⑧ Resistivity (20 ℃)/(Ω. mm2/m): 0.73,
⑨ Longitudinal elastic modulus (20 ℃)/GPa: 193,
⑩ Magnetism: None.
301S21 (1.4310) Mechanical property:
(2) Tensile strength (RM/MPa): 520,
(3) Tensile strength (Rp0.2/MPa): 205,
(4) Elongation A/%: 40,
(5) Reduction of area (Z/%): 60.
301S21 (1.4310) heat treatment: ① hardness HBW ≤: solid solution 187, hardness HRB ≤: 90, ② heating temperature: 1010~1150, ③ heating method: fast cooling.
Application field of 301S21 (1.4310): mainly used for equipment and parts that bear high load in cold working state and hope to reduce equipment weight and not rust, such as railway vehicles, conveyor belts, bolts, nuts, fasteners, etc.
