Germany · DIN

1.4981

DIN EN 10302:2002 — Creep resisting steels, nickel and cobalt alloys; German version EN 10302:2002

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Standards

DIN 17460:1992High temperature austenitic steel plate and sheet, cold and hot rolled strip, bars and forgings - Technical delivery conditions
DIN 17459:1992Seamless circular tubes of austenitic steels for high temperature service; technical delivery conditions
DIN EN 10216-5:2004Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes; German version EN 10216-5:2013
DIN EN 10302:2002Creep resisting steels, nickel and cobalt alloys; German version EN 10302:2002
DIN EN 10088-1:2014Stainless steels. Part1: List of stainless steels; German version EN10088-1:2014

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Chemical composition

Element	min	max	Similar	Remarks
C	0.04	0.1
Cr	15.5	17.5
Mn		1.5
Mo	1.6	2
Nb		1.2	>= 10 x %C	>= 10 x %C
Ni	15.5	17.5
P		0.035
S		0.015
Si	0.3	0.6

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Reduction of area	Impact energy	Hardness
Flat products +AT	≥215	530–690	≥35

Physical properties

Temperature

-100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
206.00	14.90		394.00

0.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
198.00	16.00		463.00

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
198.00；196.00	16.10	16.00；13.50	450.00；472.00	0.70；0.78	7.90；8.01

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
192.00；190.00	16.30；16.70	14.90	501.00	0.84

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
183.00；182.00	16.90；17.20	16.70	525.00	0.90

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
175.00；174.00	17.30；17.70	18.30	532.00	0.96

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
167.00；166.00	17.80；18.10	19.80	555.00	1.01

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
159.00；158.00	18.20；18.40	21.30	582.00	1.06

600.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
150.00	18.50；18.80	22.70	604.00	1.10

700.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
142.00	19.10	24.20	610.00	1.13

800.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
134.00	19.40	25.60	609.00	1.16

900.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	19.70		615.00

1000.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
	20.00		641.00

Typical physical values

Density	Elastic modulus	Poisson's ratio	Remarks
7.61–8.10	190.00–215.00	0.27–0.30	不锈钢的典型材料性能数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。
7.86	190.00–210.00	0.27–0.30	低碳，高合金钢材料性能属性数值，此值不来源于标准，它是指示性指标，不能被用于设计用途。

High/low temperature

Yield strength Rp0.2 (MPa)

Condition	Temperature ℃	Approx.
long products and flat products solution annealed +AT	600	132
long products and flat products solution annealed +AT	550	137
long products and flat products solution annealed +AT	500	137
long products and flat products solution annealed +AT	400	147
long products and flat products solution annealed +AT	300	157
long products and flat products solution annealed +AT	200	177
long products and flat products solution annealed +AT	100	195

Creep

Condition

1.固溶热处理 Seamless tubes

Temperature ℃	Time h	Rp1	CRS
580	10000.0h	177.0	270.0
580	100000.0h	128.0	186.0
580	200000.0h		162.0
590	10000.0h	167.0	246.0
590	100000.0h	118.0	169.0
590	200000.0h		147.0
600	10000.0h	157.0	225.0
600	100000.0h	108.0	152.0
600	200000.0h		132.0
610	10000.0h	147.0	205.0
610	100000.0h	98.0	136.0
610	200000.0h		118.0
620	10000.0h	137.0	186.0
620	100000.0h	88.0	122.0
620	200000.0h		103.0
630	10000.0h	128.0	169.0
630	100000.0h	79.0	107.0
630	200000.0h		91.0
640	10000.0h	118.0	152.0
640	100000.0h	72.0	94.0
640	200000.0h		80.0
650	10000.0h	108.0	137.0
650	100000.0h	64.0	83.0
650	200000.0h		71.0
660	10000.0h	98.0	124.0
660	100000.0h	56.0	75.0
660	200000.0h		63.0
670	10000.0h	89.0	111.0
670	100000.0h	49.0	66.0
670	200000.0h		55.0
680	10000.0h	80.0	100.0
680	100000.0h	43.0	59.0
680	200000.0h		49.0
690	10000.0h	72.0	91.0
690	100000.0h	38.0	51.0
690	200000.0h		42.0
700	10000.0h	64.0	83.0
700	100000.0h	34.0	44.0
700	200000.0h		35.0
710	10000.0h	58.0	77.0
710	100000.0h	29.0	37.0
710	200000.0h		29.0
720	10000.0h	53.0	70.0
720	100000.0h	26.0	31.0
720	200000.0h		24.0
730	10000.0h	47.0	64.0
730	100000.0h	22.0	26.0
730	200000.0h		20.0
740	10000.0h	44.0	59.0
740	100000.0h	19.0	23.0
740	200000.0h		17.0
750	10000.0h	42.0	54.0
750	100000.0h	17.0	20.0
750	200000.0h		15.0

Similar grades

Grade	Region	System
1.4981	Italy	UNI
X8CrNiMoNb16-16	Italy	UNI
1.4981	Spain	UNE
X8CrNiMoNb16-16	Spain	UNE
1.4981	Romania	STAS
X8CrNiMoNb16-16	Romania	STAS
1.4981	Sweden	SS
X8CrNiMoNb16-16	Sweden	SS
1.4981	Switzerland	SNV
X8CrNiMoNb16-16	Switzerland	SNV
1.4981	Finland	SFS
X8CrNiMoNb16-16	Finland	SFS
1.4981	Poland	PN
X8CrNiMoNb16-16	Poland	PN
1.4981	Austria	ONORM
X8CrNiMoNb16-16	Austria	ONORM
1.4981	Norway	NS
X8CrNiMoNb16-16	Norway	NS
1.4981	Belgium	NBN
X8CrNiMoNb16-16	Belgium	NBN
1.4981	Hungary	MSZ
X8CrNiMoNb16-16	Hungary	MSZ
1.4981	Czech Republic	CSN
X8CrNiMoNb16-16	Czech Republic	CSN
1.4981	Bulgaria	BDS
X8CrNiMoNb16-16	Bulgaria	BDS
1.4981	United Kingdom	B.S.
X8CrNiMoNb16-16	United Kingdom	B.S.
1.4981	France	AFNOR NF
X8CrNiMoNb16-16	France	AFNOR NF
X8CrNiMoNb16-16	Germany	DIN