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牌號 X6CrNi23-13
1.4950
對應標準 NF EN 10028-7-2008
壓力容器用不銹鋼扁平產品
Flat products made of steels for pressure purposes - Part 7 : stainless steels
歸類 奧氏體不銹鋼
標簽 抗蠕變等級
X6CrNi23-13 化學元素成分含量(%)
成分 C Si Mn P S Cr Ni N
最小值 0.04 - - - - 22 12 -
最大值 0.08 0.7 2 0.035 0.015 24 15 0.1
◎ 未經買方同意轿跌，不得隨意向鋼中添加表中未列的元素，冶煉精加工除外逮碾。采取一切必要措施以防在廢鋼和生產原料中帶入這些元素汪兢，因為其會削弱鋼的機械性能，降低鋼的適用性辞槐。
X6CrNi23-13 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 530~730 Rp0.2：≥220
Rp1.0：≥250
①②		 T ＜ 3mm: ≥35
T ≥ 3mm: ≥ 35
②③		 20℃：
(l: ≥100掷漱；t: ≥60)
H：T ≤ 13.5 +AT 510~710 Rp0.2：≥200
Rp1.0：≥240
①②		 T ＜ 3mm: ≥35
T ≥ 3mm: ≥ 35
②③		 20℃：
(l: ≥100；t: ≥60)
P：T ≤ 75 +AT 510~710 Rp0.2：≥200
Rp1.0：≥240
①②		 T ＜ 3mm: ≥35
T ≥ 3mm: ≥ 35
②③		 20℃：
(l: ≥100榄檬；t: ≥60)
◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板卜范；T- 厚度；t- 橫向鹿榜；l-縱向海雪。
◎+A=軟化退火；+AT=固溶退火舱殿；+QT=淬火及回火奥裸；+RA=再結晶退火。
◎ 奧氏體鋼有足夠的韌性沪袭，不需要進行沖擊試驗湾宙。相比之下，奧氏體-鐵素體鋼必須按要求做沖擊試驗冈绊，以確保足夠的韌性创倔。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進行測試。在交貨條件下：無；在致敏狀態(tài)下：無却值。
① 對于連續(xù)熱軋產品，可在詢價和訂購時商定Rp0.2(即表中σs)的最小值提高20MPa散氧，Rp1.0的最小值提高10MPa私闭。
② 如果在軋制寬度<300mm的帶材情況下，采用縱向試驗件睬嘿，最小值減小如下:屈服強度-15MPa宽用，恒定標距的延伸率-5%，比例標距延伸率-2%盒器。
③ T＜3mm：該值適用于標距為80mm跌缩、寬度為20mm的試件，也可以使用標距為50mm攻睬、寬度為12.5mm的試件雀肠。T ≥3mm：該值適用于標距為5.65√S的試件。
④ 對于矯直材料浅慎，最小值低5%胁会。

  • 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
    X6CrNi23-131.4950+AT177140128116108100949186858482
    Minimum 1.0% proof strength Rp1.0,MPa
    at a temperature (in°C) of:
    50①100150200250300350400450500550600
    219185167154146139132126123121118114
    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
    X6CrNi23-131.4950495470450430420410405400385370350320
    ① Determined by linear interpolation.

  • 熱處理指南

    Material designationHot formingHeat
    treatment
    symbol    		 Solution anneailing
    ①②    		Post weld heat 
    treatment
    Creep resisting steels
    Name NumberTemperature
    ℃    		Type of
    cooling    		Temperature
    ℃ ③④    		Type of
    cooling    		Temperature
    ℃ ⑥    		Type of
    cooling
    X6CrNi23-131.49501150 to 850air+AT1050 to 1150water,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.

  • 蠕變性能

    DesignationHeat treatment
    condition    		TemperatureStrength for
    rupture    		Strength for
    1% (plastic)
    creep strain 
    in MPa for ①
    Name Number°C10000h30000h50000h100000h150000h200000h250000h10000h100000h
    X6CrNi23-13 1.4950+AT550160--90---10760
    600120--65---8035
    65070--35---5022
    70036--16---2512
    750---------
    80018--7.5---10-
    ◎ Those preliminary values were taken from NFA 36-209 [4].
    ① Values in parantheses involved time and/or stress extrapolation; values with asterisk involved time extrapolation.


X6CrNi23-13 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 ISO 15510-2014 技術規(guī)范 不銹鋼-化學成分
3 ISO 9328-7-2018 不銹鋼承壓扁鋼制品
4 NF EN 10088-1-2005 不銹鋼 - 第1部分：不銹鋼清單
5 NF EN 10028-7-2008 壓力容器用不銹鋼扁平產品
6 NF EN 10028-7-2000 壓力容器用不銹鋼扁平產品
注：數(shù)據(jù)僅供參考！如有疑問抵蚊，請?zhí)顚?我要糾錯"施绎！
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