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牌號(hào) X6CrNiTiB18-10
1.4941
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 抗蠕變等級(jí)
X6CrNiTiB18-10 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni B 更多
最小值 0.04 - - - - 17 9 0.0015 Ti:5×C~0.8
最大值 0.08 1 2 0.035 0.015 19 12 0.005
◎ 未經(jīng)買(mǎi)方同意奠宜，不得隨意向鋼中添加表中未列的元素，冶煉精加工除外谣旨。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懊湾，因?yàn)槠鋾?huì)削弱鋼的機(jī)械性能磺伍，降低鋼的適用性溶孽。
X6CrNiTiB18-10 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
C：T ≤ 8 +AT 510~710 Rp0.2：≥220
Rp1.0：≥250
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100吻商；t: ≥60)
H：T ≤ 13.5 +AT 510~710 Rp0.2：≥200
Rp1.0：≥240
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100范嘱；t: ≥60)
P：T ≤ 75 +AT 490~690 Rp0.2：≥200
Rp1.0：≥240
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100滔灶；t: ≥60)
◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板普碎；T- 厚度；t- 橫向拿翠；l-縱向陡顶。
◎+A=軟化退火；+AT=固溶退火允合；+QT=淬火及回火段鲜；+RA=再結(jié)晶退火缅煎。
◎ 奧氏體鋼有足夠的韌性，不需要進(jìn)行沖擊試驗(yàn)潦寂。相比之下督注，奧氏體-鐵素體鋼必須按要求做沖擊試驗(yàn)，以確保足夠的韌性捡路。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進(jìn)行測(cè)試芬吸。在交貨條件下：有；在致敏狀態(tài)下：有悍蔫。
① 對(duì)于連續(xù)熱軋產(chǎn)品拧移，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叛赚。
② 如果在軋制寬度<300mm的帶材情況下，采用縱向試驗(yàn)件稽揭，最小值減小如下:屈服強(qiáng)度-15MPa俺附，恒定標(biāo)距的延伸率-5%，比例標(biāo)距延伸率-2%溪掀。
③ T＜3mm：該值適用于標(biāo)距為80mm事镣、寬度為20mm的試件，也可以使用標(biāo)距為50mm揪胃、寬度為12.5mm的試件璃哟。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
    X6CrNiTiB18-101.4941+AT186162152142137132127123118113108103
    Minimum 1.0% proof strength Rp1.0,MPa
    at a temperature (in°C) of:
    50①100150200250300350400450500550600
    225201191181176172167162157152147142
    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
    X6CrNiTiB18-101.4941460410390370360350345340335330320300
    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
    X6CrNiTiB18-101.49411150 to 850air+AT1050 to 1110water,air ⑤900 to 950 ⑦air
    ◎ 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 Recommended for components with greater wall thickness.

  • 蠕變性能

    DesignationHeat treatment
    condition    		TemperatureStrength for rupture in MPa for ①
    Name Number°C10000h30000h50000h100000h150000h200000h250000h
    X6CrNiTiB18-10 1.4941+AT550223--170-150-
    560210--154-135-
    570196--140-122-
    580182--127-110-
    590170--114-100-
    600156--102-91-
    610142--92-82-
    620130--84-74-
    630119--76-67-
    640108--68-60-
    65098--62-54-
    66089--56-49-
    67080--50-43-
    68073--44-39-
    69066--39-33-
    70060--35-29-
    ◎ Values were taken from DIN 17460 [3].
    ① Values in parantheses involved time and/or stress extrapolation; values with asterisk involved time extrapolation.


X6CrNiTiB18-10 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 10269-2006 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
3 EN 10302-2008 鎳和鎳鈷合金的耐蠕變鋼
4 ISO TS 15510-2003 技術(shù)規(guī)范 不銹鋼-化學(xué)成分
5 EN 10269-2013 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
6 ISO 15510-2014 技術(shù)規(guī)范 不銹鋼-化學(xué)成分
7 NF EN 10269-1999 用于高溫或低溫條件下的緊固件用鋼及鎳合金
8 DIN EN 10269-2014 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
9 ISO 9328-7-2018 不銹鋼承壓扁鋼制品
10 NF EN 10088-1-2005 不銹鋼 - 第1部分：不銹鋼清單
11 NF EN 10028-7-2008 壓力容器用不銹鋼扁平產(chǎn)品
12 NF EN 10028-7-2000 壓力容器用不銹鋼扁平產(chǎn)品
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