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牌號(hào)	X8NiCrAITi32-21
	1.4959
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	奧氏體不銹鋼
標(biāo)簽	標(biāo)準(zhǔn)等級(jí)
密度	8 g/cm³

X8NiCrAITi32-21 化學(xué)元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	Cu	N	Ti	Co	Al	更多
最小值	0.05	-	-	-	-	19	30	-	-	0.25	-	0.25	Ni+Co:30~34
最大值	0.1	0.7	1.5	0.015	0.01	22	34	0.5	0.03	0.65	0.5	0.65	Ni+Co:30~34

◎ 未經(jīng)買方同意，不得隨意向鋼中添加表中未列的元素帜焰，冶煉精加工除外摊欠。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棒嚼，因?yàn)槠鋾?huì)削弱鋼的機(jī)械性能近范，降低鋼的適用性。

碳當(dāng)量計(jì)算

X8NiCrAITi32-21 機(jī)械性能

條件	熱處理或狀態(tài)	抗拉強(qiáng)度 σ_b Mpa	屈服點(diǎn) σ_s Mpa	斷后伸長(zhǎng)率或延伸率 δ %	沖擊吸收能量 KV2 J
P：T ≤ 75	+AT	500~750	R_p0.2：≥170 R_p1.0：≥200 ①②	T ＜ 3mm: ≥30 T ≥ 3mm: ≥ 30 ②③	20℃： (l: ≥120；t: ≥80)

◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板；T- 厚度次坡；t- 橫向；l-縱向画畅。
◎+A=軟化退火砸琅；+AT=固溶退火；+QT=淬火及回火夜赵；+RA=再結(jié)晶退火。

◎ 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乡革，則可以省略固溶處理寇僧。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進(jìn)行測(cè)試。在交貨條件下：有沸版；在致敏狀態(tài)下：無(wú)嘁傀。
① 對(duì)于連續(xù)熱軋產(chǎn)品，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视粮，Rp1.0的最小值提高10MPa细办。
② 如果在軋制寬度<300mm的帶材情況下，采用縱向試驗(yàn)件胃磷，最小值減小如下:抗拉強(qiáng)度-15MPa认施，恒定標(biāo)距的延伸率-5%，比例標(biāo)距延伸率-2%裤困。
③ T＜3mm：該值適用于標(biāo)距為80mm多蜕、寬度為20mm的試件，也可以使用標(biāo)距為50mm巡雄、寬度為12.5mm的試件嘀回。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 designation		Heat treatment condition	Minimum 0.2% proof strength R_p0.2,MPa at a temperature (in°C) of:
Name	Number	Heat treatment condition	100	150	200	250	300	350	400	450	500	550	600
X8NiCrAITi32-21	1.4959	+AT	140	127	115	105	95	90	85	82	80	75	75
			Minimum 1.0% proof strength R_p1.0,MPa at a temperature (in°C) of:
			100	150	200	250	300	350	400	450	500	550	600
			160	147	135	125	115	110	105	102	100	95	95

高溫下的最小抗拉強(qiáng)度

Material designation Minimum tensile strength R_m,MPa
at a temperature (in°C) of:
Name Number 100 150 200 250 300 350 400 450 500 550 600
X8NiCrAITi32-21 1.4959 465 445 435 425 420 418 415 415 415 - -

熱處理指南

Material designation		Hot forming		Heat treatment symbol	Solution anneailing ①②		Post weld heat treatment Creep resisting steels
Name	Number	Temperature ℃	Type of cooling	Heat treatment symbol	Temperature ℃ ③④	Type of cooling	Temperature ℃ ⑦	Type of cooling
X8NiCrAITi32-21	1.4959	1150 to 850	air	+AT	1100 to 1200 ⑤	water,air ⑥	900 to 950 ⑧	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 After solution annealing the grain size according to EN ISO 643 shall be 1 to 5.

⑥ cooling sufficiently rapid.

⑦ Minimum holding time:30min.Minimum holding time:30min.

⑧ Minimum holding time:30min.

物理性能

Modulus of elasticity at											Mean coefficient of thermal expansion between 20 ℃ and										Thermal conductivity at 20℃	Specific thermal capacity at 20℃	Specific electrical resistivity at 20℃
20°C	100°C	200°C	300°C	400°C	500°C	600°C	700°C	800°C	900°C	1000°C	100°C	200°C	300°C	400°C	500°C	600°C	700°C	800°C	900°C	1000°C	Thermal conductivity at 20℃	Specific thermal capacity at 20℃	Specific electrical resistivity at 20℃
KN/mm²											10^-6 K^-1										W/m.K	J/kg.K	Ω.mm²/m
200	190	185	175	170	160	155	145	140	135	125	15.4	16	16.5	16.8	17.2	17.5	17.9	18.3	18.6	19	12	460	0.99

蠕變性能

Designation		Heat treatment condition	Temperature	Strength for rupture							Strength for 1% (plastic) creep strain
Designation			Temperature	in N/mm² for ①
Name	Number		°C	10000h	30000h	50000h	100000h	150000h	200000h	250000h	10000h	100000h
X8NiCrAITi32-21	1.4959	+AT	700	73	58.2	-	44.8	-	38.2	-	59	42
			710	67.8	54	-	41.4	-	35.2	-	55.5	38
			720	63	50.1	-	38.3	-	32.5	-	52	34.4
			730	58.5	46.5	-	35.4	-	30	-	48.5	31.3
			740	54.4	43.1	-	32.8	-	27.7	-	45	28.4
			750	50.6	40	-	30.3	-	25.6	-	41.7	26
			760	47	37.1	-	28	-	23.6	-	38.4	23.5
			770	43.7	34.4	-	25.9	-	21.8	-	35.6	21.3
			780	40.7	31.9	-	24	-	20.1	-	32.9	19.3
			790	37.8	29.6	-	22.1	-	18.5	-	30.5	17.6
			800	35.2	27.4	-	20.4	-	17	-	28.2	16
			810	32.7	25.4	-	18.9	-	15.6	-	26.2	14.7
			820	30.4	23.6	-	17.4	-	14.4	-	24.2	13.4
			830	28.3	21.8	-	16	-	13.2	-	22.4	12.1
			840	26.3	20.2	-	14.8	-	12.1	-	20.8	11.1
			850	24.4	18.7	-	13.6	-	11.1	-	19.1	10
			860	22.7	17.3	-	12.5	-	10.1	-	17.6	9.1
			870	21	16	-	11.5	-	9.23	-	16.1	8.2
			880	19.5	14.8	-	10.5	-	8.41	-	14.7	7.3
			890	18.1	13.6	-	9.6	-	7.63	-	13.4	6.5
			900	16.8	12.6	-	8.76	-	6.91	-	12.1	5.7
			910	15.6	11.6	-	7.98	-	6.23	-	10.9	5
			920	14.4	10.6	-	7.25	-	5.6	-	9.8	4.4
			930	13.3	9.77	-	6.57	-	5.01	-	8.8	3.9
			940	12.3	8.95	-	5.93	-	4.45	-	7.8	3.4
			950	11.4	8.19	-	5.33	-	3.93	-	6.9	2.9
			960	10.5	7.47	-	4.77	-	3.43	-	6.1	2.5
			970	9.63	6.8	-	4.23	-	2.95	-	5.3	2.1
			980	8.85	6.17	-	3.73	-	-	-	4.6	1.8
			990	8.11	5.57	-	3.25	-	-	-	4	1.6
			1000	7.42	5.01	-	2.79	-	-	-	3.5	1.4

◎ Values were taken from DIN 17460.
① Values in parantheses involved time and/or stress extrapolation; values with asterisk involved time extrapolation.

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[詢價(jià)]

X8NiCrAITi32-21 對(duì)應(yīng)不同標(biāo)準(zhǔn)

1	NF EN 10088-1-2005 不銹鋼 - 第1部分：不銹鋼清單
	X8NiCrAITi32-21 1.4959
2	NF EN 10028-7-2008 壓力容器用不銹鋼扁平產(chǎn)品
	X8NiCrAITi32-21 1.4959
3	NF EN 10028-7-2000 壓力容器用不銹鋼扁平產(chǎn)品
	X8NiCrAITi32-21 1.4959

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Material designation		Minimum tensile strength R_m,MPa at a temperature (in°C) of:
Name	Number	100	150	200	250	300	350	400	450	500	550	600
X8NiCrAITi32-21	1.4959	465	445	435	425	420	418	415	415	415	-	-

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高溫下的最小屈服強(qiáng)度

高溫下的最小抗拉強(qiáng)度

熱處理指南

物理性能

蠕變性能