17-4ph的性能及应用：
the performance and application of 17-4ph:
对于美国17-4ph材料，是马氏体沉淀硬化不锈钢，相当于中国的品牌：0cr17ni4cu4nb。添加铜的沉淀硬化不锈钢17-4ph。制造轴和涡轮部件的17-4ph为。
for the 17-4ph material is martensite precipitation hardening stainless steel, the equivalent of chinese brand: 0cr17ni4cu4nb. the addition of copper precipitation hardening stainless steel 17-4ph.manufacturing of the shaft and turbine components for 17-4ph.
17-4ph 1化学成分：
the chemical composition of 1 17-4ph:
碳：小于0.07的碳
carbon: less than 0.07 of carbon
锰= 1
mn = 1
硅= 1
si = 1
铬铬：15.5 - 17.5
chrome: 15.5 - 17.5
倪：3－5
ni: 3-5
磷= 0.04
p = 0.04
硫的= 0.03
s = 0.03
铜铜：3－5
copper: 3 - 5
铌钽铌+钽：0.15 - 0.45
niobium tantalum niobium tantalum +: 0.15 - 0.45
17-4ph的力学性能：
the mechanical properties of 17-4ph:
乙（兆帕）的极限抗拉强度：480、1310、550、1060、580、1000、620、930、；
b (zhao pa): the ultimate tensile strength of 480, 1310, 550, 1060, 580, 1000, 620, 930,;
标准差0.2（1000）的屈服强度：480、1180、550、580、865、620、725；
the standard deviation of 0.2 (1000) of the yield strength: 480, 1180, 550, 580, 865, 620, 725;
断裂伸长率（%）5:480老化，10岁；550老化，12岁；580老化，13岁；620老化，16岁
elongation (%) 10 years old; 550 5:480 aging, aging, 12 years; 13 years; 620 580 aging, aging, 16 years old
断面收缩率（%：480）ψ= 40；550老龄化，老龄化，45岁；580老化，45岁；620老化，50
section shrinkage (%:480) psi = 40; 550 aging, aging, aging 45 years old; 580, 45; 620 aged 50
硬度：固溶体，小于或等于363hb和小于或等于38hrc；480℃老化、大于或等于、大于或等于375hb 40hrc；550℃时效，大于或等于331hb和大于或等于580的要求；℃时效，大于或等于302hb大于或等于31hrc；620℃时效，大于或等于277hb大于或等于28hrc
hardness: solid solution and less than or equal to the 363hb and less than or equal to the 38hrc; aging 480 deg c, greater than or equal to, or greater than or equal to the 375hb 40hrc; aging of 550deg c, greater than or equal to the 331hb and greater than or equal to 580; ageing is greater than or equal to 302hb is greater than or equal to 31hrc; aging of 620 deg c, greater than or equal to277hb is greater than or equal to 28hrc
热处理和显微组织的材料规范：
materials specification of heat treatment and microstructure:
热处理规范：1）固溶体102 ~ 106度快速冷却；2）480℃时效，固溶处理后，470 ~ 490℃空冷；3）550老化，固溶处理后，540～560℃空冷；4）和580℃时效，固溶处理后570 ~ 590°，空冷；5）620℃时效，固溶处理后，610 ~ 630℃空冷。
heat treatment specification: 1) solid solution 102 ~ 106 degrees, fast cooling; 2) 480 deg c aging, solid solution treatment, 470 ~ 490 deg.c empty cold; 3) 550 aging, after solution treatment, 540~ 560 deg c empty cold; 4) and 580 deg c aging, solid solution treatment after 570 ~ 590 deg, air cooling; 5) of 620 deg c aging, solid solution treatment, 610 ~ 630 deg c empty cold.
金相组织：沉淀硬化型的特性。
the microstructure characteristics of precipitation hardening.
] 17-4ph交货状态：一般以热处理状态交货，合同中规定的热处理；没有规定的，按不热处理交货。
17-4ph delivery status: general to heat treatment delivery, heat treatment stipulated in the contract; otherwise, according to heat treatment delivery.
注：一个单一的数值，除非另有说明，是最高的价值；二是在一些管的制造过程中，某些类型的奥氏体不锈钢含有镍含量必须略高于表显示的数值；（3）在随机；（4）含有最高金额钽是0.10%，最高含量为0.75%，最高含量为0.70%
note: a single numerical value, unless otherwise stated is the highest value; second is in some of the pipe manufacturing process, some types of austenitic stainless steel containing nickel contentmust be slightly higher than the values in the table show the; (3) at random; (4) contains the highest amount of tantalum is 0.10%, the highest content of 0.75%, the highest content of 0.70%
17-4ph合金是沉淀、硬化、马氏体不锈钢。
17-4ph alloy is precipitation, hardening, martensite stainless steel.
17-4ph合金是由铜、沉淀硬化由铌/钶，马氏体不锈钢。
17-4ph alloy is composed of copper, niobium / columbium by precipitation hardening, martensite stainless steel.
这一水平具有高强度和硬度（高达300度/ 572度）和抗腐蚀性能。
this level has high strength and hardness (up to 300 degrees / 572 degrees) and corrosion resistance.
热处理后，产品的机械性能更加完善，可以达到1（ksi mpa抗压强度的相对）。
after heat treatment, the mechanical properties of the product more perfect, can reach 1 (mpa ksi compressive strength of the relative).
这个水平不能用于超过300摄氏度（572华氏度）或非常低的温度下，它的大气和稀酸或盐具有良好的耐腐蚀性，耐腐蚀性和304和430。
this level can not be used for more than 300 degrees celsius (572 degrees fahrenheit) or very low temperature, its atmosphere and dilute acid or salt has good corrosion resistance, corrosionresistance and 304 and 430.
17-4ph的应用领域：
application areas of 17-4ph:
海上平台，直升机甲板，其他平台
offshore platform, helicopter deck, other platforms
食品工业
food industry
制浆造纸工业
pulp and paper industry
航空航天（涡轮叶片）
aerospace (turbine blade)
机械零件
mechanical parts
核废料桶
nuclear waste barrel

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