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牌號	X6CrNi18-10
	1.4948
對應(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
密度	7.9 g/cm³

X6CrNi18-10 化學(xué)元素成分含量(%)

成分	C	Si	Mn	P	S	Cr	Ni	N
最小值	0.04	-	-	-	-	17	8	-
最大值	0.08	1	2	0.035	0.015	19	11	0.11

◎ 未經(jīng)買方同意费抚，不得隨意向鋼中添加表中未列的元素，冶煉精加工除外昔园。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魅蹁摰臋C(jī)械性能抬闯，降低鋼的適用性督巍。

碳當(dāng)量計(jì)算

X6CrNi18-10 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	斷后伸長率或延伸率 δ %	沖擊吸收能量 KV2 J
C：T ≤ 6	+AT	530~740	R_p0.2：≥230 R_p1.0：≥260 ①②	T ＜ 3mm: ≥45 T ≥ 3mm: ≥ 45 ②③④	20℃： (l: ≥100肥惭；t: ≥60)
H：T ≤ 12	+AT	510~710	R_p0.2：≥210 R_p1.0：≥250 ①②	T ＜ 3mm: ≥45 T ≥ 3mm: ≥ 45 ②③	20℃： (l: ≥100跳纳；t: ≥60)
P：T ≤ 75	+AT	510~710	R_p0.2：≥190 R_p1.0：≥230 ①②	T ＜ 3mm: ≥45 T ≥ 3mm: ≥ 45 ②③	20℃： (l: ≥100；t: ≥60)

◎C- 冷軋帶鋼; H- 熱軋帶鋼; P- 熱軋中厚板绝骚；T- 厚度耐版；t- 橫向；l-縱向皮壁。
◎+A=軟化退火椭更；+AT=固溶退火哪审；+QT=淬火及回火蛾魄；+RA=再結(jié)晶退火。

◎ 如果熱加工和隨后冷卻的條件符合ENISO3651-2中對產(chǎn)品機(jī)械性能和抗晶間腐蝕性的要求湿滓，則可以省略固溶處理滴须。
*抗晶間腐蝕根據(jù)EN ISO 3651-2進(jìn)行測試。在交貨條件下：無叽奥；在致敏狀態(tài)下：無扔水。
① 對于連續(xù)熱軋產(chǎn)品，可在詢價(jià)和訂購時(shí)商定Rp0.2(即表中σs)的最小值提高20MPa塘袍，Rp1.0的最小值提高10MPa兔升。
② 如果在軋制寬度<300mm的帶材情況下，采用縱向試驗(yàn)件绑接，最小值減小如下:屈服強(qiáng)度-15MPa胃余，恒定標(biāo)距的延伸率-5%，比例標(biāo)距延伸率-2%柑汇。
③ T＜3mm：該值適用于標(biāo)距為80mm没撒、寬度為20mm的試件，也可以使用標(biāo)距為50mm豫狸、寬度為12.5mm的試件胆叁。T ≥3mm：該值適用于標(biāo)距為5.65√S的試件。
④ 對于矯直材料赂裁，最小值低5%轻迹。

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
X6CrNi18-10	1.4948	+AT	157	142	127	117	108	103	98	93	88	83	78
			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
			191	172	157	147	137	132	127	122	118	113	108

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
X6CrNi18-10 1.4948 440 410 390 385 375 375 375 370 360 330 300

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 ℃ ⑥	Type of cooling
X6CrNi18-10	1.4948	1150 to 850	air	+AT	1050 to 1110	water,air ⑤	not 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.

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	16.3	16.9	17.3	17.8	18.2	18.5	18.7	-	-	-	17	450	0.71

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
X6CrNi18-10	1.4948	+AT	500	250	-	-	192	-	176	-	147	114
			510	239	-	-	182	-	166	-	142	111
			520	227	-	-	172	-	156	-	137	108
			530	215	-	-	162	-	146	-	132	104
			540	203	-	-	151	-	136	-	127	100
			550	191	165	155	140	-	125	-	121	96
			560	177	154	145	128	-	114	-	116	92
			570	165	144	136	117	-	104	-	111	88
			580	154	135	126	107	-	95	-	106	84
			590	143	126	118	98	-	86	-	100	79
			600	132	117	110	89	-	78	-	94	74
			610	122	109	102	81	-	70	-	88	69
			620	113	101	94	73	-	62	-	82	63
			630	104	94	87	65	-	55	-	75	56
			640	95	-	-	58	-	49	-	68	49
			650	87	-	-	52	-	43	-	61	43
			660	80	-	-	47	-	38	-	55	37
			670	73	-	-	42	-	34	-	49	32
			680	67	-	-	37	-	30	-	44	28
			690	61	-	-	32	-	26	-	39	25
			700	55	-	-	28	-	22	-	35	22
			710	(45)	-	-	(22)	-	-	-	(31)	(15)
			720	(41)	-	-	(20)	-	-	-	(28)	(14)
			730	(38)	-	-	(18)	-	-	-	(26)	(13)
			740	(36)	-	-	(16)	-	-	-	(25)	(12)
			750	(34)	-	-	(15)	-	-	-	(24)	(11)

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

X6CrNi18-10 對應(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
	X6CrNi 18-10 1.4948
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
	X6CrNi18-10 1.4948
3	EN 10269-2013 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
	X6CrNi 18-10 1.4948
4	NF EN 10269-1999 用于高溫或低溫條件下的緊固件用鋼及鎳合金
	X6CrNi18-10 1.4948
5	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
	X6CrNi 18-10 1.4948
6	ISO 9328-7-2018 不銹鋼承壓扁鋼制品
	X6CrNi18-10
7	EU 95-1979 耐熱鋼：交貨技術(shù)條件
	X6CrNi 18-10
8	NF EN 10088-1-2005 不銹鋼 - 第1部分：不銹鋼清單
	X6CrNi18-10 1.4948
9	NF EN 10028-7-2008 壓力容器用不銹鋼扁平產(chǎn)品
	X6CrNi18-10 1.4948
10	NF EN 10028-7-2000 壓力容器用不銹鋼扁平產(chǎn)品
	X6CrNi18-10 1.4948

注：數(shù)據(jù)僅供參考！如有疑問烛许，請?zhí)顚?我要糾錯(cuò)"祭昏！

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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
X6CrNi18-10	1.4948	440	410	390	385	375	375	375	370	360	330	300

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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