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牌號 X2CrNiMoN17-11-2
1.4406
對應標準 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
標簽 耐腐蝕等級
X2CrNiMoN17-11-2 化學元素成分含量(%)
成分 C Si Mn P S Cr Ni Mo N
最小值 - - - - - 16.5 10 2 0.12
最大值 0.03 1 2 0.045 0.015 18.5 12.5 2.5 0.22
◎ 未經(jīng)買方同意,不得隨意向鋼中添加表中未列的元素崔涂,冶煉精加工除外阳掐。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,因為其會削弱鋼的機械性能冷蚂,降低鋼的適用性缭保。
X2CrNiMoN17-11-2 機械性能
條件 熱處理或狀態(tài)
抗拉強度
σb
Mpa
屈服點
σs
Mpa
斷后伸長率或延伸率
δ
%
沖擊吸收能量
KV2
J
C:T ≤ 8 +AT 580~780 Rp0.2:≥300
Rp1.0:≥330
①②
T < 3mm: ≥40
T ≥ 3mm: ≥ 40
②③
20℃:
(l: ≥100;t: ≥60)
-196℃:
(t: ≥60)
H:T ≤ 13.5 +AT 580~780 Rp0.2:≥280
Rp1.0:≥320
①②
T < 3mm: ≥40
T ≥ 3mm: ≥ 40
②③
20℃:
(l: ≥100;t: ≥60)
-196℃:
(t: ≥60)
P:T ≤ 75 +AT 580~780 Rp0.2:≥280
Rp1.0:≥320
①②
T < 3mm: ≥40
T ≥ 3mm: ≥ 40
②③
20℃:
(l: ≥100艺骂;t: ≥60)
-196℃:
(t: ≥60)
鋼材:20℃ ⑤ - ≥580 Rp0.2:≥280
Rp1.0:≥320
≥40 -
鋼材:-80℃ ⑤ - ≥800 Rp0.2:≥380
Rp1.0:≥450
≥35 -
鋼材:-150℃ ⑤ - ≥1000 Rp0.2:≥500
Rp1.0:≥600
≥35 -
鋼材:-196℃ ⑤ - ≥1150 Rp0.2:≥600
Rp1.0:≥700
≥30 -
◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板诸老;T- 厚度;t- 橫向钳恕;l-縱向别伏。
◎+A=軟化退火;+AT=固溶退火忧额;+QT=淬火及回火厘肮;+RA=再結(jié)晶退火。
◎ 奧氏體鋼有足夠的韌性武帚,不需要進行沖擊試驗咆杯。相比之下,奧氏體-鐵素體鋼必須按要求做沖擊試驗称海,以確保足夠的韌性终太。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進行測試。在交貨條件下:有脓甘;在致敏狀態(tài)下:有辰丛。
① 對于連續(xù)熱軋產(chǎn)品,可在詢價和訂購時商定Rp0.2(即表中σs)的最小值提高20MPa钙径,Rp1.0的最小值提高10MPa篙介。
② 如果在軋制寬度<300mm的帶材情況下,采用縱向試驗件踊嘲,最小值減小如下:屈服強度-15MPa,恒定標距的延伸率-5%睡清,比例標距延伸率-2%疏菩。
③ T<3mm:該值適用于標距為80mm、寬度為20mm的試件刨仑,也可以使用標距為50mm郑诺、寬度為12.5mm的試件。T ≥3mm:該值適用于標距為5.65√S的試件杉武。
④ 適用于20℃至-196℃之間的任何溫度辙诞,機械性能可通過線性插值估計。

  • 高溫下的最小屈服強度

    Material designationHeat treatment
    condition
    Minimum 0.2% proof strength Rp0.2,MPa
    at a temperature (in°C) of:
    Name Number50①100150200250300350400450500550600
    X2CrNiMoN17-11-21.4406+AT254211185167155145140135131128127-
    Minimum 1.0% proof strength Rp1.0,MPa
    at a temperature (in°C) of:
    50①100150200250300350400450500550600
    292246218198183175169164160158157-
    ① Determined by linear interpolation.

  • 高溫下的最小抗拉強度

    Material designationMinimum tensile strength Rm,MPa
    at a temperature (in°C) of:
    Name Number50①100150200250300350400450500550600
    X2CrNiMoN17-11-21.4406557520490460450440435-----
    ① Determined by linear interpolation.

  • 熱處理指南

    Material designationHot formingHeat
    treatment
    symbol
     Solution anneailing
    ①②
    Post weld heat 
    treatment
    steels with ≤ 0.03% C
    Name NumberTemperature
    Type of
    cooling
    Temperature
    ℃ ③④
    Type of
    cooling
    Temperature
    ℃ ⑥
    Type of
    cooling
    X2CrNiMoN17-11-21.44061150 to 850air+AT1030 to 1110water,air ⑤960 to 1040 ⑦forced air 
    ◎ 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.

    ⑦ Not recommended if welded with stabilized filler medal.

X2CrNiMoN17-11-2 對應不同標準
1 EN 10088-1-2005 不銹鋼 第1部分:不銹鋼的清單
2 EN 10250-4-1999 一般工程用途的自由鍛鋼鍛件:不銹鋼
3 ISO TS 15510-2003 技術規(guī)范 不銹鋼-化學成分
4 EN 10088-2-2005 不銹鋼-第 2 部分: 通用耐腐蝕鋼的薄鋼板/鋼板和帶鋼的技術交貨條件
5 EN 10088-3-2005 不銹鋼第3部分:一般用途的半成品轻抱,鋼棒飞涂,軋制線材和型鋼的交貨條件
6 EN 10088-3-2014 不銹鋼 - 第3部分:半成品,棒材祈搜,桿材较店,線材,型材和光亮產(chǎn)品的一般用途耐腐蝕鋼的交貨技術條件
7 ISO 15510-2014 技術規(guī)范 不銹鋼-化學成分
8 ISO 9328-7-2018 不銹鋼承壓扁鋼制品
9 DIN EN 10088-3-2014 不銹鋼-半成品容燕、棒材梁呈、桿材婚度、線材、型材及光亮產(chǎn)品交貨技術條件
10 NF EN 10088-2-2005 普通用途不銹鋼板和鋼帶的交貨技術條件
11 NF EN 10088-1-2005 不銹鋼 - 第1部分:不銹鋼清單
12 NF EN 10028-7-2008 壓力容器用不銹鋼扁平產(chǎn)品
13 NF EN 10028-7-2000 壓力容器用不銹鋼扁平產(chǎn)品
注:數(shù)據(jù)僅供參考官卡!如有疑問蝗茁,請?zhí)顚?我要糾錯"!
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