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牌號(hào) X1CrNiMoCuN25-25-5
1.4537
對(duì)應(yīng)標(biāo)準(zhǔn) NF EN 10028-7-2008
壓力容器用不銹鋼扁平產(chǎn)品
Flat products made of steels for pressure purposes - Part 7 : stainless steels
歸類 奧氏體不銹鋼
標(biāo)簽 耐腐蝕等級(jí)
X1CrNiMoCuN25-25-5 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni Cu Mo N
最小值 - - - - - 24 24 1 4.7 0.17
最大值 0.02 0.7 2 0.03 0.01 26 27 2 5.7 0.25
◎ 未經(jīng)買方同意，不得隨意向鋼中添加表中未列的元素符站，冶煉精加工除外。采取一切必要措施以防在廢鋼和生產(chǎn)原料中帶入這些元素，因?yàn)槠鋾?huì)削弱鋼的機(jī)械性能切果，降低鋼的適用性火焰。
X1CrNiMoCuN25-25-5 機(jī)械性能
條件 熱處理或狀態(tài)
抗拉強(qiáng)度
σb
Mpa 		屈服點(diǎn)
σs
Mpa 		斷后伸長(zhǎng)率或延伸率
δ
% 		沖擊吸收能量
KV2
J
P：T ≤ 75 +AT 600~800 Rp0.2：≥290
Rp1.0：≥330
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100今布；t: ≥60)
-196℃：
(t: ≥60)
◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板；T- 厚度波岛；t- 橫向乾哆；l-縱向道竖。
◎+A=軟化退火锅吝；+AT=固溶退火；+QT=淬火及回火汰浊；+RA=再結(jié)晶退火询晦。
◎ 奧氏體鋼有足夠的韌性，不需要進(jìn)行沖擊試驗(yàn)丐作。相比之下捉泣，奧氏體-鐵素體鋼必須按要求做沖擊試驗(yàn)，以確保足夠的韌性秒聪。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進(jìn)行測(cè)試舵素。在交貨條件下：有；在致敏狀態(tài)下：有跷焚。
① 對(duì)于連續(xù)熱軋產(chǎn)品弥容，可在詢價(jià)和訂購(gòu)時(shí)商定Rp0.2(即表中σs)的最小值提高20MPa，Rp1.0的最小值提高10MPa逸萄。
② 如果在軋制寬度<300mm的帶材情況下葫督，采用縱向試驗(yàn)件，最小值減小如下:屈服強(qiáng)度-15MPa板惑，恒定標(biāo)距的延伸率-5%橄镜，比例標(biāo)距延伸率-2%。
③ T＜3mm：該值適用于標(biāo)距為80mm冯乘、寬度為20mm的試件，也可以使用標(biāo)距為50mm裆馒、寬度為12.5mm的試件姊氓。T ≥3mm：該值適用于標(biāo)距為5.65√S的試件。

  • 高溫下的最小屈服強(qiáng)度

    Material designationHeat treatment
    condition    		Minimum 0.2% proof strength Rp0.2,MPa
    at a temperature (in°C) of:
    Name Number50①100150200250300350400450500550600
    X1CrNiMoCuN25-25-51.4537+AT271240220200190180175170----
    Minimum 1.0% proof strength Rp1.0,MPa
    at a temperature (in°C) of:
    50①100150200250300350400450500550600
    307270250230220210205200----
    ① Determined by linear interpolation.

  • 高溫下的最小抗拉強(qiáng)度

    Material designationMinimum tensile strength Rm,MPa
    at a temperature (in°C) of:
    Name Number50①100150200250300350400450500550600
    X1CrNiMoCuN25-25-51.4537581550535520500480475-----
    ① Determined by linear interpolation.

  • 熱處理指南

    Material designationHot formingHeat
    treatment
    symbol    		 Solution anneailing
    ①②    		Higher alloyed 
    austenitic
    steels with ≤ 0.02% C
    Name NumberTemperature
    ℃    		Type of
    cooling    		Temperature
    ℃ ③④    		Type of
    cooling    		Temperature
    ℃ ⑥    		Type of
    cooling
    X1CrNiMoCuN25-25-51.45371150 to 850air+AT1120 to 1180water,air ⑤not recommended- 
    ◎ a=air; o=oil; w=water.
    ◎ Scale and annealing colours produced during hot forming, heat treatment or welding may adversely affect the corrosion resistance. They should be removed as far as possible before use, e.g. by pickling.
    ◎ The temperatures of annealing should be agreed for simulated heat treated test pieces.
    ① The solution treatment may be omitted if the conditions for hot working and subsequent cooling are such that the requirements for the mechanical properties of the product and the resistance to intergranular corrosion as defined in EN ISO 3651-2 are obtained and provided these requirements are met even after appropriate subsequent solution annealing.
    ② Re-crystallizing annealing.
    ③ If heat treatment is carried out in a continuous furnace, the upper part of the range specified is usually preferred, or even exceeded.
    ④ The lower end of the range specified for solution annealing should be aimed at for heat treatment as part of further processing,because otherwise the mechanical properties might be affected. If the temperature of hot forming does not drop below the lower temperature for solution annealing.a temperature of 980℃ is adequate as a lower limit for Mo-free steels,a temperature of 1000℃ for steels with Mo contents up to 3% and a temperature of 1020℃ for steets with Mo contents exceeding 3%.
    ⑤ cooling sufficiently rapid.

    ⑥ Minimum holding time:30min.

X1CrNiMoCuN25-25-5 對(duì)應(yīng)不同標(biāo)準(zhǔn)
1 EN 10088-1-2005 不銹鋼 第1部分:不銹鋼的清單
2 EN 10088-3-2014 不銹鋼 - 第3部分：半成品，棒材绒窑，桿材，線材些膨，型材和光亮產(chǎn)品的一般用途耐腐蝕鋼的交貨技術(shù)條件
3 ISO 15510-2014 技術(shù)規(guī)范 不銹鋼-化學(xué)成分
4 ISO 9328-7-2018 不銹鋼承壓扁鋼制品
5 DIN EN 10088-3-2014 不銹鋼-半成品椅洗、棒材、桿材、線材耍缩、型材及光亮產(chǎn)品交貨技術(shù)條件
6 NF EN 10088-2-2005 普通用途不銹鋼板和鋼帶的交貨技術(shù)條件
7 NF EN 10088-1-2005 不銹鋼 - 第1部分：不銹鋼清單
8 NF EN 10028-7-2008 壓力容器用不銹鋼扁平產(chǎn)品
9 NF EN 10028-7-2000 壓力容器用不銹鋼扁平產(chǎn)品
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