Germany · DIN

X 6 CrNiNb 18 10

DIN 17455:1985 — Welded circular stainless steel tubes with general quality requirements - Technical delivery conditions

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Standards

DIN 17440:1996Technical delivery conditions for plates, hot rolled strip and bars for pressure purposes, drawn wire and forgings
DIN EN 10088-2:2001Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip for general purposes
DIN EN 10028-7:2008Flat products made of steels for pressure purposes - Part 7: Stainless steels; German version EN 10028-7:2000
DIN EN 10272:2008Stainless steel bars for pressure purposes
DIN 17441:1997Stainless steels; technical delivery conditions for cold rolled strip and slit strip and for plate and sheet cut therefrom
DIN EN 10088-5:2009Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
DIN EN 10088-3:1995Stainless steels - Part 3:Technical delivery conditions for semi-finished products,bars,rods,wires,sections and bright products of corrosion resisting steels for general purposes
DIN EN 10250-4:2000Open die steel forgings for general engineering purposes - Part 4 : stainless steels
DIN EN 10222-5:2000Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels; German version EN 10222-5:1999
DIN EN 10217-7:2015Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
DIN 17458:1985Seamless circular austenitic stainless steel tubes subject to special requirements; technical delivery conditions
DIN 17457:1985Welded circular tubes of austenitic stainless steels for special requirements; technical delivery conditions
DIN EN 10253-4:2008Butt-welding pipe fittings. Part 4:Wrought austenitic and austenitic- ferritic(duplex) stainless steels with specific inspection requirements
DIN 17455:1999Welded circular stainless steel tubes with general quality requirements - Technical delivery conditions
DIN 17456:1999Seamless circular tubes of stainless steels for general requirements; 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 17456:1985Seamless circular tubes of stainless steels for general requirements; technical delivery conditions
DIN 17455:1985Welded circular stainless steel tubes with general quality requirements - Technical delivery conditions
DIN EN 10253-3:2009Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
DIN EN 10296-2:2005Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
DIN EN 10297-2:2005DIN EN 10297-2
DIN EN 10088-1:2014Stainless steels. Part1: List of stainless steels; German version EN10088-1:2014
DIN 10028-7:2000DIN 10028-7

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Chemical composition

wt% · log scale

min – max range
typical value

Mechanical properties

value range by condition

High / low temperature

value vs. temperature

welded steel tubes solution annealed and quenched · Yield strength Rp0.2

Physical properties

vs. temperature

Elastic modulus GPa

Mean thermal expansion 10⁻⁶/K

Creep properties

10000.0h
100000.0h
200000.0h

Temperature °C · time at rupture

Chemical composition

Element	min	max
C		0.08
Cr	17	19
Mn		2
Ni	9	12
P		0.045
S		0.03
Si		1

Mechanical properties

Heat treatment / condition	Yield strength	Tensile strength	Elongation	Reduction of area	Impact energy	Hardness
welded steel tube, solution annealed quenched, t <= 50 mm	≥205	510–740	≥30；≥35

Physical properties

Temperature

20.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
200.00		15.00	500.00	0.73	7.90

100.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
194.00	16.00

200.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
186.00	16.50

300.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
179.00	17.00

400.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
172.00	17.50

500.0

Elastic modulus	Mean thermal expansion	Thermal conductivity	Specific heat	Resistivity	Density	Poisson's ratio
165.00	18.00

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.
welded steel tubes solution annealed and quenched	550	118
welded steel tubes solution annealed and quenched	500	119
welded steel tubes solution annealed and quenched	450	121
welded steel tubes solution annealed and quenched	400	125
welded steel tubes solution annealed and quenched	350	130
welded steel tubes solution annealed and quenched	300	136
welded steel tubes solution annealed and quenched	250	147
welded steel tubes solution annealed and quenched	200	157
welded steel tubes solution annealed and quenched	150	167
welded steel tubes solution annealed and quenched	100	177
welded steel tubes solution annealed and quenched	50	191

Creep

Temperature ℃	Time h	CRS
540	10000.0h	258.0
540	100000.0h	174.0
540	200000.0h	154.0
550	10000.0h	236.0
550	100000.0h	161.0
550	200000.0h	142.0
560	10000.0h	218.0
560	100000.0h	148.0
560	200000.0h	131.0
570	10000.0h	202.0
570	100000.0h	137.0
570	200000.0h	120.0
580	10000.0h	187.0
580	100000.0h	127.0
580	200000.0h	110.0
590	10000.0h	174.0
590	100000.0h	117.0
590	200000.0h	101.0
600	10000.0h	162.0
600	100000.0h	107.0
600	200000.0h	92.0
610	10000.0h	151.0
610	100000.0h	98.0
610	200000.0h	82.0
620	10000.0h	140.0
620	100000.0h	89.0
620	200000.0h	72.0
630	10000.0h	131.0
630	100000.0h	80.0
630	200000.0h	61.0
640	10000.0h	121.0
640	100000.0h	71.0
650	10000.0h	113.0
650	100000.0h	58.0
660	10000.0h	104.0
670	10000.0h	96.0
680	10000.0h	88.0
690	10000.0h	80.0
700	10000.0h	71.0

Similar grades

Grade	Region	System
4550-347-00-I	International standard	ISO
SUS347	United States	ASME
S34778	China	GB
06Cr18Ni11Nb	China	GB
1.4550	Italy	UNI
X 6 CrNiNb 18 10	Italy	UNI
1.4550	Spain	UNE
X 6 CrNiNb 18 10	Spain	UNE
1.4550	Romania	STAS
X 6 CrNiNb 18 10	Romania	STAS
1.4550	Sweden	SS
X 6 CrNiNb 18 10	Sweden	SS
1.4550	Switzerland	SNV
X 6 CrNiNb 18 10	Switzerland	SNV
1.4550	Finland	SFS
X 6 CrNiNb 18 10	Finland	SFS
1.4550	Poland	PN
X 6 CrNiNb 18 10	Poland	PN
1.455	Austria	ONORM
X 6 CrNiNb 18 10	Austria	ONORM
1.4550	Norway	NS
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1.455	Belgium	NBN
X 6 CrNiNb 18 10	Belgium	NBN
1.4550	Hungary	MSZ
X 6 CrNiNb 18 10	Hungary	MSZ
1.4550	Czech Republic	CSN
X 6 CrNiNb 18 10	Czech Republic	CSN
1.455	Bulgaria	BDS
X 6 CrNiNb 18 10	Bulgaria	BDS
1.4550	United Kingdom	B.S.
X 6 CrNiNb 18 10	United Kingdom	B.S.
1.455	France	AFNOR NF
PK11NB	Global	Enterprise standard
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CLC 18-10Nb	Global	Enterprise standard
Type 347	Global	Enterprise standard
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Carpenter Stainless Type 347	Global	Enterprise standard
X6CrNiNb18-10	International standard	ISO
347	United States	SAE
SUS 347	Japan	JIS
X 6 CrNiNb 18 11	Italy	UNI
X 6 CrNiNb 18 10	France	AFNOR NF
1.4550	Germany	DIN
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