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牌號(hào) X6CrNiMoNb17-12-2
1.4580
對(duì)應(yīng)標(biāo)準(zhǔn) NF EN 10028-7-2000
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(lèi) 奧氏體不銹鋼
標(biāo)簽 特殊等級(jí)
X6CrNiMoNb17-12-2 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Ni Mo 更多
最小值 - - - - - 16.5 10.5 2 Nb:10×C~1
最大值 0.08 1 2 0.045 0.015 18.5 13.5 2.5
◎ 未經(jīng)買(mǎi)方同意驶睦，不得隨意向鋼中添加表中未列的元素，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，降低鋼的適用性豆村。
X6CrNiMoNb17-12-2 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 520~720 Rp0.2：≥220
Rp1.0：≥260
①②		 T ＜ 3mm: ≥40
T ≥ 3mm: ≥ 40
②③		 20℃：
(l: ≥100将盾；t: ≥60)
◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板残宽；T- 厚度柱炼；t- 橫向糯敢；l-縱向。
◎+A=軟化退火痒脊；+AT=固溶退火瞎弥；+QT=淬火及回火；+RA=再結(jié)晶退火驮觅。
◎ 如果熱加工和隨后冷卻的條件符合ENISO3651-2中對(duì)產(chǎn)品機(jī)械性能和抗晶間腐蝕性的要求祝鞍，則可以省略固溶處理。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進(jìn)行測(cè)試闯捎。在交貨條件下：有椰弊；在致敏狀態(tài)下：有。
① 對(duì)于連續(xù)熱軋產(chǎn)品隙券，可在詢(xún)價(jià)和訂購(gòu)時(shí)商定Rp0.2(即表中σs)的最小值提高20MPa男应，Rp1.0的最小值提高10MPa。
② 如果在軋制寬度<300mm的帶材情況下娱仔，采用縱向試驗(yàn)件沐飘，最小值減小如下:屈服強(qiáng)度-15MPa，恒定標(biāo)距的延伸率-5%牲迫，比例標(biāo)距延伸率-2%耐朴。
③ T＜3mm：該值適用于標(biāo)距為80mm、寬度為20mm的試件盹憎，也可以使用標(biāo)距為50mm筛峭、寬度為12.5mm的試件。T ≥3mm：該值適用于標(biāo)距為5.65√S的試件陪每。

  • 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 Number100150200250300350400450500550600
    X6CrNiMoNb17-12-21.4580+AT185177167157145140135131129127-
    Minimum 1.0% proof strength Rp1.0,MPa
    at a temperature (in°C) of:
    100150200250300350400450500550600
    218206196186175169164160158157-

  • 高溫下的最小抗拉強(qiáng)度

    Material designationMinimum tensile strength Rm,MPa
    at a temperature (in°C) of:
    Name Number100150200250300350400450500550600
    X6CrNiMoNb17-12-21.4580440410390385375375375370360330-

  • 熱處理指南

    Material designationHot formingHeat
    treatment
    symbol    		 Solution anneailing
    ①②    		Post weld heat 
    treatment
    Stabilized steels
    Name NumberTemperature
    ℃    		Type of
    cooling    		Temperature
    ℃ ③④    		Type of
    cooling    		Temperature
    ℃ ⑥    		Type of
    cooling
    X6CrNiMoNb17-12-21.45801150 to 850air+AT1030 to 1110water,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.

X6CrNiMoNb17-12-2 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 ISO TS 15510-2003 技術(shù)規(guī)范 不銹鋼-化學(xué)成分
3 DIN 17440-1972 不銹鋼質(zhì)量標(biāo)準(zhǔn)
4 EN 10088-3-2014 不銹鋼 - 第3部分：半成品影晓，棒材，桿材檩禾，線(xiàn)材捉瘟，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
5 ISO 15510-2014 技術(shù)規(guī)范 不銹鋼-化學(xué)成分
6 ISO 9328-7-2018 不銹鋼承壓扁鋼制品
7 DIN EN 10088-3-2014 不銹鋼-半成品、棒材蔑誓、桿材铲锭、線(xiàn)材、型材及光亮產(chǎn)品交貨技術(shù)條件
8 NF EN 10088-2-2005 普通用途不銹鋼板和鋼帶的交貨技術(shù)條件
9 NF EN 10088-1-2005 不銹鋼 - 第1部分：不銹鋼清單
10 NF EN 10028-7-2008 壓力容器用不銹鋼扁平產(chǎn)品
11 NF EN 10028-7-2000 壓力容器用不銹鋼扁平產(chǎn)品
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