Stainless Steel, 303, 304, 316, 316L, 410, 416, 431, F51, F55, 174PH, Standard Grade, IMCO, Special Grades, Sheffield UK

COGNE GRADE	Improved machinability	EN, DIN, UNI	W.N.	BS	AFNOR	SIS (SWEDEN)	SUS (JAPAN)	AISI ASTM ASME	AISI UNS
Austenitic grades
303/1	IMCO®	X8 CrNiS 18-9	1.4305	303S31	Z8 CNF 18-09	2346	303	303 8F B8F	S30300
303K	IMCO®	X6CrNiCuS18-9-2	1.4570		Z8 CNUF 18-09
309 Si		X15CrNiSi 20-12	1.4828	309S24	Z7 CNS 20-12		309	309	S30900
310/1		X8 CrNi 25-21	1.4845	310S31	Z8 CN 25-20	2361	310S	310S	S31008
314L1		X15 CrNiSi 25-21	1.4841	314S25	Z 15 CNS 25-20		Y310	314	S31400
316LK	IMCO®	X2CrNiMoCuS17-10-2	1.4598				316F		S31620
316LM		X2CrNiMo18-14-3	1.4435	316S13	Z3 CND 18-14-03	2353	316L	316L	S31603 J92800
316LM1		X2CrNiMo18-14-3	1.4435	4341/B	Z3 CND 18-14-04	2354	316L	316L F138gr2	S31603 J92800
316LM2	IMCO®	X2CrNiMo18-14-3	1.4435	316S13	Z3 CND 18-14-03	2353	316L	316L	S31603 J92800
316T/1	IMCO®	X6CrNiMoTi17-12-2	1.4571	320S31	Z6 CNDT 17-12	2350	316Ti	316Ti	S31635
321/3	IMCO®	X6 CrNiTi 18-10	1.4541	321S31	Z6CNT18-10	2337	321	321	S32100
F304	IMCO®	X5CrNi18-10	1.4301	304S31	Z7 CN 18-09	2332 2333	304	304 B8	S30400
F304L1	IMCO®	X2 CrNi 18-9	1.4307	304S11	Z2 CN 18-10			304L	S30403
F316	IMCO®	X5 CrNiMo 17-12-2	1.4401	316S31	Z7CND 17-12-02	2347	316	316 8M B8M	S31600
F316L	IMCO®	X2CrNiMo17-12-2	1.4404	316S11	Z3 CND 17-12-02	2348	316L	316L 8M B8M	S31603
Ferritic grade
430/1		X6 Cr 17	1.4016	430S17	Z8 C 17	2320	430	430	S43000
430F/6	IMCO®	X6CrMoS17	1.4105		Z8 CF 17			430F Solenoid
Martensitic grades
410/2		X12Cr13	1.4006	410S21	Z 10 C 13	2302	410	410	S41000 J91150
410/6	IMCO®	X12Cr13	1.4006	410S21	Z 10 C 13	2302	410	410	S41000 J91150
415M		X 4 CrNiMo 16-5-1	1.4418		Z6 CND 16-05-01	2387
416/1	IMCO®	X 12 Cr S13	1.4005	416S21	Z11 CF 13	2380	416	416	S41600
420A/7	IMCO®	X20Cr13	1.4021	420S29	Z20C13	2303	420J1	420L	S42010
420B/4	IMCO®	X30Cr13	1.4028	420S37	Z33 C 13	2304	420J2	420M	S42000
420BF2	IMCO®	X29CrS13	1.4029	416S37	Z29CF13			420F	S42020 J91153
420C/1		X46Cr13	1.4034		Z44 C14
420C/4	IMCO®	X46Cr13	1.4034		Z44 C14
420D		X65Cr13	1.4037
420RM		X39CrMo17-1	1.4122		Z38CD 16-01
430F	IMCO®	X14CrMoS17	1.4104		Z13 CF 17	2383	430F	430F	S43020
431	IMCO®	X17CrNi16-2	1.4057	431S29	Z15 CN 16-02	2321	431	431	S43100
440B1		X90CrMoV18	1.4112				440B	440B	S44003
440C		X105CrMo17	1.4125		Z100 CD 17		440C	440C	S44025
E415		X3CrNiMo13-4	1.4313	425C12	Z4 CND 13-4M		SCS5	F6NM	S41500 J91540

COGNE GRADE	Improved machinability	EN, DIN, UNI	W.N.	BS	AFNOR	SIS (SWEDEN)	SUS (JAPAN)	AISI ASTM ASME	AISI UNS
Duplex grades
329/1	IMCO®	X3CrNiMoN27-5-2	1.4460		Z3 CND 25-07 Az	2324	329J1&	329	S32900 J93371
Precipitation hardening
630	IMCO®	X5CrNiCuNb16-4	1.4542		Z7 CNU 17-04		630	630 17-4 PH	S17400 J92180
Austenitic grades
303/1	IMCO®	X8 CrNiS 18-9	1.4305	303S31	Z8 CNF 18-09	2346	303	303 8F B8F	S30300
303K	IMCO®	X6CrNiCuS18-9-2	1.4570		Z8 CNUF 18-09
316LK	IMCO®	X2CrNiMoCuS17-10-2	1.4598				316F		S31620
316LM2	IMCO®	X2CrNiMo18-14-3	1.4435	316S13	Z3 CND 18-14-03	2353	316L	316L	S31603 J92800
316T/1	IMCO®	X6CrNiMoTi17-12-2	1.4571	320S31	Z6 CNDT 17-12	2350	316Ti	316Ti	S31635
321/3	IMCO®	X6 CrNiTi 18-10	1.4541	321S31	Z6CNT18-10	2337	321	321	S32100
F304	IMCO®	X5CrNi18-10	1.4301	304S31	Z7 CN 18-09	2332 2333	304	304 B8	S30400
F304L1	IMCO®	X2 CrNi 18-9	1.4307	304S11	Z2 CN 18-10			304L	S30403
F316	IMCO®	X5 CrNiMo 17-12-2	1.4401	316S31	Z7CND 17-12-02	2347	316	316 8M B8M	S31600
F316L	IMCO®	X2CrNiMo17-12-2	1.4404	316S11	Z3 CND 17-12-02	2348	316L	316L 8M B8M	S31603
Ferritic grade
430F/6	IMCO®	X6CrMoS17	1.4105		Z8 CF 17			430F Solenoid
Martensitic grades
410/6	IMCO®	X12Cr13	1.4006	410S21	Z 10 C 13	2302	410	410	S41000 J91150
416/1	IMCO®	X 12 Cr S13	1.4005	416S21	Z11 CF 13	2380	416	416	S41600
420A/7	IMCO®	X20Cr13	1.4021	420S29	Z20C13	2303	420J1	420L	S42010
420B/4	IMCO®	X30Cr13	1.4028	420S37	Z33 C 13	2304	420J2	420M	S42000
420BF2	IMCO®	X29CrS13	1.4029	416S37	Z29CF13			420F	S42020 J91153
420C/4	IMCO®	X46Cr13	1.4034		Z44 C14
430F	IMCO®	X14CrMoS17	1.4104		Z13 CF 17	2383	430F	430F	S43020
431	IMCO®	X17CrNi16-2	1.4057	431S29	Z15 CN 16-02	2321	431	431	S43100

COGNE GRADE	Improved machinability	EN, DIN, UNI	W.N.	BS	AFNOR	SIS (SWEDEN)	SUS (JAPAN)	AISI ASTM ASME	AISI UNS
Duplex grades
329/1	IMCO®	X3CrNiMoN27-5-2	1.4460		Z3 CND 25-07 Az	2324	329J1	329	S32900 J93371
329A		X2CrNiMoN22-5-3	1.4462	318S13	Z2 CND 24-08 Az		329J3L	F51 Cr22	S31803
329S		X2CrNiMoCuWN25-7-4	1.4501		Z3 CNDU 25-06 Az			F55	S32760
329S1		X2 CrNiMoN 25-7-4	1.4410		Z3 CND 25-06 Az	2328		F53 Cr25	S32750
Heat resisting grades
347		X6CrNiNb18-10	1.4550	347S31	Z6 CNNb 18-10	2338	347	347	S34700
350			1.3964					XM19	S20910
354		X1CrNiMoCuN20-18-7	1.4547			2378		F44	254SMO
616C		X20CrMoV 12-1/X22CrMov12-1	1.4922/1.4923	762	Z21CDV12	2317
Precipitation hardening
630	IMCO®	X5CrNiCuNb16-4	1.4542		Z7 CNU 17-04		630	630 17-4 PH	S17400 J92180
SF286		X6NiCrTiMoVB25-15-2	1.4980/1.4944	286S31	Z5NCTDV26-15 B		660	660	S66286
Super inox
904L		X1 NiCrMoCu 25-20-5	1.4539	904S13	Z2 NCDU 25-20-5	2652		904L	N 08904

TOLERANCES
HOT BARS - Rough peeled or turned bars
HOT BARS - Peeled and reeled bars
BRIGHT BARS
CENTERLESS GROUND

Stainless Steel

Standard Grades

IMCO ®

Special Grades

Tolerances