Steel Plates


SEPKON's wide supply range of Plates covers Carbon/ Alloy / Stainless / Claded / TMCP / Forged and Casting Steel Grades; 

High Strength Plates / Cladded Plates / Pressure Vessel Plates / Heavy Plates incl. structural, heat treatable, case hardening and hydrogen applications, 

Ship Building Steel, TMCP Fine Grained, Line Pipe Steel (API) , Nichel Plates for LNG/LPG, Corten, Wear Resistant Steel HB400/450/500,  

High Temparature Steel, Ferritic, Martensitic and PH Grades, Duples and Austenitic  SS Grades,  Corrosion Resistant Superalloys, Aluminium and Copper Alloys.

Unalloyed Structural Steels according to EN 10025-2
S235 JR+AR/N, J0+AR/N, J2+AR/N
S275 JR+AR/N, J0+AR/N, J2+AR/N
S355 JR+AR/N, J0+AR/N, J2+AR/N, K2+N
Fine-Grain Structural Steels Normalized-Rolled or Normalized-Annealed according to EN 10025-3
S275N / NL
S355N / NL
S420N / NL
S460N / NL
Fine-Grain Structural Steels, Thermomechanically Rolled according to EN 10025-4
S275M / ML
S355M / ML
S420M / ML
S460M /ML
Weather-Resistant Structural Steels according to EN 10025-5
S355 J2W+AR
S355 J2W+N
S355 K2W+AR
S355 K2W+N
Structural Steels as per ASTM / ASME
SA/A 36
SA/A 283 Grade C
SA/A 283 Grade C
SA/A 572 Grade 50 Type 1
Heat-Treatable/ Case Hardening Steels according to EN 10083 / EN 10084
C45, C45+N, C45E, C45E+N, C45E, 42CrMo4
16MnCr5, 20MnCr5
Ship Buildind Plates  (ABS / LLYOD / BV /DNV)
AH 32 TM, A 32 TM, DH 32 TM, D 32 TM, EH 32 TM, E 32 TM
AH 36 TM, A 36 TM, DH 36 TM, D 36 TM, EH 36 TM, E 36 TM, FH 36 TM, F 36 TM
High-Strength Plates according to EN 10025-6
S460 Q /QL /QL 1
S500 Q /QL /QL 1
S550 Q /QL /QL 1
S690 Q /QL /QL 1
S890 Q /QL /QL 1
S960 Q /QL /QL 1
Unalloyed and Alloyed Creep-Resistant Steels, Pressure Vessel Steel according to EN 10083-2
P235, 265, 295, 355GH
16Mo3, 20MnMoNi4-5
13CrMo4-5, 10CrMo9-10
13CrMoV9-10
Fine-Grain Structural Steels for Pressure Vessel Construction according to EN 10083-3
P275 NH, NL1, NL2
P355 NH, NL1, NL2
P460 NH, NL1, NL2
Pressure-Vessel Steels as per ASTM/ASME
SA/A 203 Grade D, E
SA/A 387 Grade 11 Class 2
SA/A 387 Grade 12 Class 2
SA/A 387 Grade 22 Class 2
SA/A 516 Grade 60, 65, 70 
SA/A 537 Class 1, 2
SA/A 533 Type B Class 2
SA/A 738 Grade A, B
Off Shore Plates according to EN 10225
S355G5+M, S355G6+M, S355G7+M, S355G8+M, S355G9+M, S355G10+M
S355G2+N, S355G3+N, S355G7+N, S355G8+N
S420G1+M, S420G2+M
S460G1, S420, S460G2+ M
Weather-Resistant Structural Steels
SA/A 588 Grade A
Wear-Resistant Heavy Plates
HB 400
HB 450
HB 500
Line Pipe Plates acc to API 5L / EN 10208-2 / DNV GL / ISO 3138 / GOST
BM(S), X42M(S), X46M(S), X52M(S), X56M(S), X60M(S), X65M(S), X70M(S), X80M(S), X90M, X100M, X120M
L245MB, L360MB, L415MB, L450MB, L485MB, L555MB
SAWL245(S), SAWL290(S), SAWL320(S), SAWL360(S), SAWL390(S), SAWL415(S), SAWL450(S), SAWL485(S), SAWL555(S)
K56, K60, K65
LNG/LPG Plates  according to EN 10028:4 , ASTM/ASME 645
X12Ni5 A/SA 645 Grade A, A/SA 645 Grade B , X7Ni9 A/SA 553 Type 1
Steel Plates with High Yield Strength for Cold Working - Thermomechanical Rolling EN 10149-2
S315MC  / S355MC / S420 MC / S460 MC / S500 MC/S550 MC


Stainless Steel Grades - Most Common 

Ferritic Grades ( AISI /EN)  430/409/410S/441 / ..( 1.4016-1.4512-1.4000-1.4003-1.4505-...)
Austenitics  (AISI /EN) 304/304L/304H/316L /321/904L/254SMO/UNS S31254/ UNS N 08904...(1.4301-1.4307-1.4306-1.4948-1.4541-1.4878-1.4539-1.4547..)
Martensitic ( AISI /EN/UNS)  410/420/  440A/416  (1.4419-1.4031-1.4410 -1.4416..)
Duplex and Super Duplex ( UNS S31803, S32205 , S39209 ..)