S30451（304N）各项参数S30451（304N）表面光洁度
S30451（304N）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
304N
美国UNS
S30451
ASTMA 959-2004
对应标准
规定锻造不锈钢统—标准等级成份的指南
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S30451是在304的基础上加入了氮不仅防止塑性降低，提高钢的强度和加工硬化倾向，改善钢的耐点蚀和晶间腐蚀性能。
S30451对应牌号：
1、国标GB-T标准：数字牌号：S30458、新牌号：06Cr19Ni10N、旧牌号：0Cr19Ni9N,
2、美标：ASTMA标准：S30451，SAE标准：/，UNS标准：304N，
3、日标JIS标准：SUS304N1，
4、德标DIN标准：1.4315,
5、欧标EN标准："X5CrNiN19-9、X5CrNiN18-
S30451（304N）化学元素成分含量(%)
S30451化学成分：
⑴碳C：≤0.08 ，
⑵硅Si：≤1.00，
⑶锰Mn：≤2.00，
⑷磷P：≤0.045，
⑸硫S：≤0.030，
⑹铬Cr：18.00～20.00 ，
⑺镍Ni：8.00～11.00，
⑻氮N：0.10~0.16。
三、S30451物理性能：
①密度密度(20℃)kg/dm3:"7.93,
②熔点/℃:1398~1454,
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℃:"16.5",
⑦线胀系数/(10-6/k)0~514℃:"18.5",
⑧电阻率（20℃）/（Ω.mm2/m):"0.72",
⑨纵向弹性模量（20℃）/GPa:"196，⑩磁性:无。
五、S30451热处理：①硬度HBW≤：固溶217，硬度HRB≤：95，②加热温度：1010~1150，③加热方式：快冷。
S30451应用领域：用于有一定耐蚀性要求，并要求较高强度和减轻重量的焊接设备和结构部件。
S30451 (304N) plate, bar, tube, steel strip, wire, forging, forged tube, forged plate, forged bar, round bar, plate, thin plate, seamless pipe, welded pipe, round steel, wire
Brand
304N
United States UNS
S30451
ASTMA 959-2004
Corresponding standards
Guidelines for Specifying Wrought Stainless Steel Systems - Standard Grade Composition
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
On the basis of 304, S30451 added nitrogen not only to prevent the plasticity from decreasing, but also to improve the strength and work hardening tendency of the steel, and to improve the pitting corrosion resistance and intergranular corrosion resistance of the steel.
S30451 corresponding brand:
1. National standard GB-T: digital brand: S30458, new brand: 06Cr19Ni10N, old brand: 0Cr19Ni9N,
2. American standard: ASTMA standard: S30451, SAE standard:/, UNS standard: 304N,
3. Japanese JIS standard: SUS304N1,
4. German standard DIN standard: 1.4315,
5. European standard EN standard: "X5CrNiN19-9, X5CrNiN18-
S30451 (304N) chemical element content (%)
S30451 Chemical composition:
⑴ Carbon C: ≤ 0.08,
⑵ Silicon Si: ≤ 1.00,
⑶ Mn: ≤ 2.00,
(4) Phosphorus P: ≤ 0.045,
(5) Sulfur S: ≤ 0.030,
(6) Chromium Cr: 18.00 ～ 20.00,
(7) Ni: 8.00 ～ 11.00,
(8) Nitrogen N: 0.10~0.16.
3、 S30451 physical performance:
① Density density (20 ℃) kg/dm3: "7.93,
② Melting point/℃: 1398~1454,
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 ℃: "16.5",
⑦ Linear expansion coefficient/(10-6/k) 0~514 ℃: "18.5",
⑧ Resistivity (20 ℃)/(Ω. mm2/m): "0.72",
⑨ Longitudinal elastic modulus (20 ℃)/GPa: "196, ⑩ Magnetic: none.
5、 S30451 heat treatment: ① hardness HBW ≤: solution 217, hardness HRB ≤: 95, ② heating temperature: 1010~1150, ③ heating method: fast cooling.
Application field of S30451: It is used for welding equipment and structural components that have certain corrosion resistance requirements and require higher strength and weight reduction
