X6CrNiMoNb 17-12-2 1.4580 - DIN EN 10088-3-2014

Grade	X6CrNiMoNb 17-12-2
Germany W-Nr.	1.4580
Corresponding Standard	DIN EN 10088-3-2014 Stainless steels – Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance
Density	8 g/cm³

X6CrNiMoNb 17-12-2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	More
Minimum Value	-	-	-	-	-	16.5	10.5	2	Nb：10xC~1.00
Maximum Value	0.08	1	2	0.045	0.015	18.5	13.5	2.5	Nb：10xC~1.00

① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.

X6CrNiMoNb 17-12-2 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Bar, rod, wire, section, bright products; d≤160	+AT	510~740	≥215	(long.) ≥35	≤230	(long.) ≥100
Bar, rod, wire, section, bright products; 160<d≤250	+AT	510~740	≥215	(tr.) ≥30	≤230	(tr.) ≥60

+AT=solution annealed；+A=annealed；+QT = quenched and tempered；+P=precipitation hardening；+C=Cold worked，+Csuffix followed by a number represents the tensile strength grade, i.e., the minimum tensile strength value.
long.=longitudinal；tr.=transverse
d=diameter or thickness；Unit mm

New and Old Grade Replacement List

Corresponding Standard	Grade
DIN 17440-1972	Grade Germany W-Nr. Other Name
DIN EN 10088-3-2014	Grade Germany W-Nr.

1 Approximate Comparison Table Corrosion-resistant cast steels

China	Japan	Germany		France	United Kingdom
GB	JIS	DIN EN/DIN	W-Nr.	NF EN/NF	BS EN/BS
ZG0Cr18Ni12Mo2Ti	SUS22	G-X10CrNiMoNb 18 10 G-X5CrNiMoNb 18 10	1.4580 1.4581	Z6CNDNb18.12M	318C17

2 Approximate Comparison Table Corrosion-resistant cast steels

China	United States	Germany
GB	ASTM	DIN EN/DIN	W-Nr.
ZG1Cr18Ni12Mo2Ti	CB7-Cu	G-X10CrNiMoNb 18 10	1.4580

X6CrNiMoNb17-12-2 Corresponding Standards(Same grade name, different standards)

1	EN 10088-1-2005
	X6CrNiMoNb 17-12-2 1.4580
2	ISO TS 15510-2003
	X6CrNiMoNb17-12-2
3	DIN 17440-1972
	X6CrNiMoNb 17-12-2 X10CrNiMoNb 18-10 1.4580
4	EN 10088-3-2014
	X6CrNiMoNb 17-12-2 1.4580
5	ISO 15510-2014
	X6CrNiMoNb17-12-2 4580-316-40-I
6	ISO 9328-7-2018
	X6CrNiMoNb17-12-2
7	DIN EN 10088-3-2014
	X6CrNiMoNb 17-12-2 1.4580
8	NF EN 10088-2-2005
	X6CrNiMoNb17-12-2 1.4580
9	NF EN 10088-1-2005
	X6CrNiMoNb17-12-2 1.4580
10	NF EN 10028-7-2008
	X6CrNiMoNb17-12-2 1.4580
11	NF EN 10028-7-2000
	X6CrNiMoNb17-12-2 1.4580

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