EN 10283 Chemical Composition of Stainless Steel Castings

EN 10283 Chemical Composition of Stainless Steel Casting

EN 10283 is the material standard for stainless steel castings for corrosion resisting purposes. Martensitic, precipitation hardening, austenitic and austenitic-ferritic duplex grades are included. The chemical composition of all the grades of stainless steel covered in the standard are listed.

Designation		Chemical composition % by mass (max unless otherwise stated)
Steel name	Steel number	C	Si	Mn	P	S	Cr	Mo	Nickel	N	Cu	Nb1)	W	V
Martensitic stainless steel grades
GX12Cr12	1.4011	0.15	1.00	1.00	0.035	0.025	11.50 /13.50	0.50	1.00	-	0.30	-	-	0.08
GX7CrNiMo12-1	1.4008	0.10	1.00	1.00	0.035	0.025	12.00 /13.50	0.20 /0.50	1.00 /2.00	-	0.30	-	-	0.08
GX4CrNi13-4	1.4317	0.06	1.00	1.00	0.035	0.025	12.00 /13.50	0.70	3.50 /5.00	-	0.30	-	-	0.08
GX4CrNiMo16-5-1	1.4405	0.06	0.80	1.00	0.035	0.025	15.00 /17.00	0.70 /1.50	4.00 /6.00	-	0.30	-	-	0.08
GX4CrNiMo16-5-2	1.4411	0.06	0.80	1.00	0.035	0.025	15.00 /17.00	1.50 /2.00	4.00 /6.00	-	0.30	-	-	0.08
GX5CrNiCu16-4	1.4525	0.07	0.80	1.00	0.035	0.025	15.00 /17.00	0.80	3.50 /5.50	0.05	2.50 /4.00	0.35	-	0.08
Austenitic stainless steel grades
GX2CrNi19-11	1.4309	0.030	1.50	2.00	0.035	0.025	18.00 /20.00	-	9.00 /12.00	0.20	0.50	-	-	-
GX5CrNi19-10	1.4308	0.07	1.50	1.50	0.040	0.030	18.00 /20.00	-	8.00 /11.00	-	0.50	-	-	-
GX5CrNiNb19-11	1.4552	0.07	1.50	1.50	0.040	0.030	18.00 /20.00	-	9.00 /12.00	-	0.50	8xC /1.00	-	-
GX2CrNiMo19-11-2	1.4409	0.030	1.50	2.00	0.035	0.025	18.00 /20.00	2.00 /2.50	9.00 /12.00	0.20	0.50	-	-	-
GX5CrNiMo19-11-2	1.4408	0.07	1.50	1.50	0.040	0.030	18.00 /20.00	2.00 /2.50	9.00 /12.00	-	0.50	-	-	-
GX5CrNiMoNb19-11-2	1.4581	0.07	1.50	1.50	0.040	0.030	18.00 /20.00	2.00 /2.50	9.00 /12.00	-	0.50	8xC /1.00	-	-
GX5CrNiMo19-11-3	1.4412	0.07	1.50	1.50	0.040	0.030	18.00 /20.00	3.00 /3.50	10.00 /13.00	-	0.50	-	-	-
GX2CrNiMoN17-13-4	1.4446	0.030	1.00	1.50	0.040	0.030	16.50 /18.50	4.00 /4.50	12.50 /14.50	0.12 /0.22	0.50	-	-	-
Fully austenitic stainless steel grades
GX2NiCrMo28-20-2	1.4458	0.030	1.00	2.00	0.035	0.025	19.00 /22.00	2.00 /2.50	26.00 /30.00	0.20	2.00	-	-	-
GX4NiCrCuMo30-20-4	1.4527	0.06	1.50	1.50	0.040	0.030	19.00 /22.00	2.00 /3.00	27.50 /30.50	-	3.00 /4.00	-	-	-
GX2NiCrMoCu25-20-5	1.4584	0.025	1.00	2.00	0.035	0.020	19.00 /21.00	4.00 /5.00	24.00 /26.00	0.20	1.00 /3.00	-	-	-
GX2NiCrMoN25-20-5	1.4416	0.030	1.00	1.00	0.035	0.020	19.00 /21.00	4.50 /5.50	24.00 /26.00	0.12 /0.20	0.50	-	-	-
GX2NiCrMoCuN29-25-5	1.4587	0.030	1.00	2.00	0.035	0.025	24.00 /26.00	4.00 /5.00	28.00 /30.00	0.15 /0.25	2.00 /3.00	-	-	-
GX2NiCrMoCuN25-20-6	1.4588	0.025	1.00	2.00	0.035	0.020	19.00 /21.00	6.00 /7.00	24.00 /26.00	0.10 /0.25	0.50 /1.50	-	-	-
GX2CrNiMoCuN20-18-6	1.4593	0.025	1.00	1.20	0.030	0.010	19.50 /20.50	6.00 /7.00	17.50 /19.50	0.18 /0.24	0.50 /1.00	-	-	-
Austenitic-ferritic duplex stainless steel grades
GX6CrNiN26-7	1.4347	0.08	1.50	1.50	0.035	0.020	25.00 /27.00	-	5.50 /7.50	0.10 /0.20	0.50	-	-	-
GX2CrNiMoN22-5-3	1.4470	0.03	1.00	2.00	0.035	0.025	21.00 /23.00	2.50 /3.50	4.50 /6.50	0.12 /0.20	0.50	-	-	-
GX2CrNiMoN25-6-3	1.4468	0.03	1.00	2.00	0.035	0.025	24.50 /26.50	2.50 /3.50	5.50 /7.00	0.12 /0.25	0.50	-	-	-
GX2CrNiMoCuN25-6-3-3	1.4517	0.03	1.00	1.50	0.035	0.025	24.50 /26.50	2.50 /3.50	5.00 /7.00	0.12 /0.22	2.75 /3.50	-	-	-
GX2CrNiMoN25-7-3	1.4417	0.03	1.00	1.50	0.030	0.020	24.00 /26.00	3.00 /4.00	6.00 /8.50	0.15 /0.25	1.00	-	1.00	-
GX2CrNiMoN26-7-4	1.4469	0.03	1.00	1.00	0.035	0.025	25.00 /27.00	3.00 /5.00	6.00 /8.00	0.12 /0.22	1.30	-	-	-

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