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DNV

DNV shipbuilding steel is a kind of hot rolled general tensile strength steel.

DNV rules for classification are replaced by DNV GL rules for classification.
For ongoing projects with DNV rules as the applicable ruleset, please use the rule edition in accordance with the agreement. This edition can be found by using the “current as of” functionality above.

Technical Requirements & Additional Services:

  • High tension test
  • Z-Test (Z15, Z25, Z35)
  • Low temperature impacting test
  • Ultrasonic test under ASTM A435,A577,A578
  • Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
  • Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
  • Shot blasting and Painting, Cutting and welding as per end user’s demands
  Mechanical property for DNV Grade F500 shipbuilding structural steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
500 610-770
-60 Centigrade
Mechanical composition for DNV Grade F500 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade F500
C Si Mn P S N
0.18 0.55 1.60 0.025 0.025 0.02
Mechnical property for DNV Grade F460 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
460 570-720
-60 Centigrade
Mechanical composition for DNV Grade F460 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade F460
C Si Mn P S N
0.18 0.55 1.60 0.025 0.025 0.02
Mechnical property for DNV Grade F420 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
420 530-680
-60 Centigrade
Mechanical composition for DNV Grade F420 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade F420
C Si Mn P S N
0.18 0.55 1.60 0.025 0.025 0.02
Mechnical property for DNV Grade E690 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
690 770-940
-40 Centigrade
Mechanical composition for DNV Grade E690 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E690
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade E620 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
620 720-890
-40 Centigrade
Mechanical composition for DNV Grade E620 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E620
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade E500 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
500 610-770
-40 Centigrade
Mechanical composition for DNV Grade E500 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E500
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade E550 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
550 670-835
-40 Centigrade
Mechanical composition for DNV Grade E550 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E550
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade E460 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
460 570-720
-40 Centigrade
Mechanical composition for DNV Grade E460 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E460
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade E420 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
420 530-680
-40 Centigrade
Mechanical composition for DNV Grade E420 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E420
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade A620 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
620 720-890
0 Centigrade
Mechanical composition for DNV Grade A620 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade A620
C Si Mn P S N
0.21 0.55 1.70 0.035 0.035 0.02
Mechnical property for DNV Grade D550 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
550 670-835
-20 Centigrade
Mechanical composition for DNV Grade D550 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade D550
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade A460 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
460 570-720
0 Centigrade
Mechanical composition for DNV Grade A460 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade A460
C Si Mn P S N
0.21 0.55 1.70 0.035 0.035 0.02
Mechnical property for DNV Grade FH40 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
390 510-650 200mm 50mm
19 22
Mechanical composition for DNV Grade FH40 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade FH40
C Si Mn P S Al (acid) min. Nb
0.16 0.50 0.90-1.60 0.025 0.025 0.015 0.02-0.05
V Ti Cu Cr Ni Mo N
0.03-0.10 0.02 0.35 0.20 0.80 0.08 0.009
Mechnical property for DNV Grade FH36 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
355 490-620 200mm 50mm
19 22
Mechanical composition for DNV Grade FH36 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade FH36
C Si Mn P S Al (acid) min. Nb
0.16 0.50 0.90-1.60 0.025 0.025 0.015 0.02-0.05
V Ti Cu Cr Ni Mo N
0.03-0.10 0.02 0.35 0.20 0.80 0.08 0.009
Mechnical property for DNV Grade FH32 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
315 440-590 200mm 50mm
19 22
Mechanical composition for DNV Grade FH32 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade FH32
C Si Mn P S Al (acid) min. Nb
0.16 0.50 0.90-1.60 0.025 0.025 0.015 0.02-0.05
V Ti Cu Cr Ni Mo N
0.03-0.10 0.02 0.35 0.20 0.80 0.08 0.009
Mechnical property for DNV Grade EH40 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
390 510-650 200mm 50mm
19 22
Mechanical composition for DNV Grade EH40 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade EH40
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade EH36 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
355 490-620 200mm 50mm
19 22
Mechanical composition for DNV Grade EH36 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade EH36
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade EH32 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
315 440-590 200mm 50mm
19 22
Mechanical composition for DNV Grade EH32 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade EH32
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade DH40 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
390 510-650 200mm 50mm
19 22
Mechanical composition for DNV Grade DH40 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade DH40
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade DH36 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
355 490-620 200mm 50mm
19 22
Mechanical composition for DNV Grade DH36 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade DH36
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade DH32 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
315 440-590 200mm 50mm
19 22
Mechanical composition for DNV Grade DH32 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade DH32
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade AH40 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
390 510-650 200mm 50mm
19 22
Mechanical composition for DNV Grade AH40 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade AH40
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade AH36 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
355 490-620 200mm 50mm
19 22
Mechanical composition for DNV Grade AH36 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade AH36
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade AH32 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
315 440-590 200mm 50mm
19 22
Mechanical composition for DNV Grade AH32 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade AH32
C Si Mn P S Al (acid) min. Nb
0.18 0.10-0.50 0.90-1.60 0.035 0.035 0.015 0.02-0.05
V Ti Cu Cr Ni Mo  
0.05-0.10 0.02 0.35 0.20 0.40 0.08  
Mechnical property for DNV Grade E shipbuilding structual steel:
 
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
235 400-520 200mm 50mm
21 24
Mechanical composition for DNV Grade E ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade E
C Si Mn P S
0.18 0.10-0.35 0.70 0.035 0.035
Mechnical property for DNV Grade D shipbuilding structual steel:  
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
235 400-520 200mm 50mm
21 24
Mechanical composition for DNV Grade D ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade D
C Si Mn P S
0.21 0.10-0.35 0.60 0.035 0.035
Mechnical property for DNV Grade B shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
235 400-520 200mm 50mm
21 24
Mechanical composition for DNV Grade B ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade B
C Si Mn P S
0.21 0.35 0.80 0.035 0.035
Mechnical property for DNV Grade A shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
235 400-520 200mm 50mm
21 24
Mechanical composition for DNV Grade A ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade A
C Si Mn P S
0.21 0.50 2.5×C 0.035 0.035
Mechnical property for DNV Grade A550 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
550 670-835
0 Centigrade
Mechanical composition for DNV Grade A550 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade A550
C Si Mn P S N
0.21 0.55 1.70 0.035 0.035 0.02
Mechnical property for DNV Grade A620 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
620 720-890
0 Centigrade
Mechanical composition for DNV Grade A620 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade A620
C Si Mn P S N
0.21 0.55 1.70 0.035 0.035 0.02
Mechnical property for DNV Grade A690 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
690 770-940
0 Centigrade
Mechanical composition for DNV Grade A690 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade A690
C Si Mn P S N
0.21 0.55 1.70 0.035 0.035 0.02
Mechnical property for DNV Grade D420 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
420 530-680
-20 Centigrade
Mechanical composition for DNV Grade D420 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade D420
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade D500 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
500 610-770
-20 Centigrade
Mechanical composition for DNV Grade D500 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade D500
C Si Mn P S N
0.20 0.55 1.70 0.030 0.030 0.02
Mechnical property for DNV Grade F620 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
620 720-890
-60 Centigrade
Mechanical composition for DNV Grade F620 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade F620
C Si Mn P S N
0.18 0.55 1.60 0.025 0.025 0.02
Mechnical property for DNV Grade F690 shipbuilding structual steel:
Yield strength (≥Mpa) Tensile strength (Mpa) Impacting test
690 770-940
-60 Centigrade
Mechanical composition for DNV Grade F690 ship steel (Heat Analysis Max%)
Main Mechanical elements composition of DNV Grade F690
C Si Mn P S N
0.18 0.55 1.60 0.025 0.025 0.02
DNV shipbuilding steel is a kind of hot rolled general tensile strength steel.
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