G-CoCr28 2.4778 - DIN EN 10295-2003

Grade	G-CoCr28
Germany W-Nr.	2.4778
Corresponding Standard	DIN EN 10295-2003 Heat Resistant Steel Castings
Classification	Cast Steel
Density	8.1 g/cm³

G-CoCr28 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	W ^*	V ^*	Nb	Co	More
Minimum Value	0.05	0.5	-	-	-	27	-	-	-	-	-	-	48	Fe:余量
Maximum Value	0.25	1.5	1.5	0.04	0.03	30	4	0.25	0.5	0.6	0.12	0.5	52	Fe:余量

G-CoCr28 Mechanical Properties

condition	Test Temperature	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
cast steel	Room Temperature	≥490	≥235	≥6
cast steel	700°C		Creep 70
cast steel	800°C		Creep 34
cast steel	900°C	100h (1000h) Rupture Strength σr 48(25)	Creep 16
cast steel	1000°C	100h (1000h) Rupture Strength σr 23(12)	Creep 9.5
cast steel	1100°C		Creep 4

G-CoCr28 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!