Marine steel

DNV A550 offshore engineering steel Specifications：80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV A550 bulb flat steel bar Mechanical Property : Grade Mechanical Property Charpy V Impact Test Yield Min Mpa Tensile Mpa Elongation Min % Degree Energy 1 (J) Energy 2(J) A550 550 670-830 16% 0 37 55 DNV A550 bulb flat steel bar chemical composition: Grade C max Si Mn max P max S max Als N max Nb max V max Ti max B max A550 0.21 0.10-0.55 1.7 0.035 0.035 0.015-0.08 0.20 0.02-0.

DNV A620 bulb flat steel specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV A620 bulb flat steel bar Mechanical Property : Grade Mechanical Property Charpy V Impact Test Yield Min Mpa Tensile Mpa Elongation Min % Degree Energy 1 (J) Energy 2(J) A620 620 720-890 15% -20 41 62 DNV A620 bulb flat steel bar chemical composition: Grade C max Si Mn max P max S max Als N max Nb max V max Ti max B max A620 0.21 0.10-0.55 1.7 0.035 0.035 0.015-0.08 0.20 0.02-0.05

DNV A690 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV A690 bulb flat steel bar Mechanical Property : Grade Mechanical Property Charpy V Impact Test Yield Min Mpa Tensile Mpa Elongation Min % Degree Energy 1 (J) Energy 2(J) A690 690 770-940 14% -20 46 69 DNV A690 bulb flat steel bar chemical composition: Grade C max Si Mn max P max S max Als N max Nb max V max Ti max B max A690 0.21 0.10-0.55 1.7 0.035 0.035 0.015-0.08 0.20 0.02-0.05

DNV AH32 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV AH32 bulb flat steel bar Mechanical Property : Grade Rm (MPa) Re(MPa) min A% min Akv/J min E.T °C Thickness (mm) ≤ 50 > 50-70 > 70-100 L C L C L C NV A32 440-570 315 22 0 31 22 38 26 46 31 DNV AH32 bulb flat steel bar chemical composition: Grade C max Si max Mn P max S max Als min Ti max Cu max Cr max Ni max Mo max NV A32 0.18 0.50

DNV AH36 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV AH36 bulb flat steel bar Mechanical Property : Grade Rm (MPa) Re(MPa) min A% min Akv/J min E.T °C Thickness (mm) ≤ 50 > 50-70 > 70-100 L C L C L C NV A36 490-630 355 21 0 34 24 41 27 50 34 DNV AH36 bulb flat steel bar chemical composition: Grade C max Si max Mn P max S max Als min Ti max Cu max Cr max Ni max Mo max Nb V AH36 0.1

DNV A460 bulb flat steel bar DNV A460 bulb flat steel bar is a kind of shipbuilding steel. DNV A460 bulb flat steel bar with good toughness properties, higher strength and can be used in ship's hull structure. The majority of our stock is the high quality DNV A460 bulb flat steel bar shipbuilding steel plate. We keep large amounts of shipbuilding steel in stocks. Specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV A460 bulb flat steel bar chemical composition: Grade C max Si Mn max P max S max Als N max Nb max V max Ti max B max A460 0.21 0.10-0.55 1.7 0.035 0.035 0.

DNV A500 bulb flat steel bar DNV A500 bulb flat steel bar is a kind of shipbuilding steel. DNV A500 bulb flat steel bar with good toughness properties, higher strength and can be used in ship's hull structure. The majority of our stock is the high quality DNV A500 bulb flat steel bar Specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV A500 bulb flat steel bar chemical composition : Grade C max Si Mn max P max S max Als N max Nb max V max Ti max B max A500 0.21 0.10-0.55 1.7 0.035 0.035 0.015-0.08 0.20 0.04-0.10 0.04-0.10 0.02 0.005

BV Grade A bulb flat steel bar BV Grade A bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV Grade A bulb flat steel bar shipbuilding steel plate. BV Grade A bulb flat steel bar has a large number of stocks. BV Grade A bulb flat steel bar specifications : 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV Grade A bulb flat steel bar, BV/A chemical composition: Grade C max Si max Mn P max S max Als min BV/A 0.21 0.50 ≥ 2.5C 0.035 0.035 - CE: C+1/6Mn ≤

BV Grade B bulb flat steel bar BV Grade B bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV Grade B bulb flat steel bar shipbuilding steel plate. BV Grade B bulb flat steel bar specifications : 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV Grade B bulb flat steel bar, BV/B chemical composition: Grade C max Si max Mn P max S max Als min BV/B 0.21 0.35 0.80-1.20 0.035 0.035 - CE: C+1/6Mn ≤ 0.40% Cu ≤ 0.35%,Ni ≤ 0.30% BV Grade B bulb flat steel

DNV A420 bulb flat steel bar DNV A420 bulb flat steel bar is a kind of shipbuilding steel. DNV A420 bulb flat steel bar with good toughness properties, higher strength and can be used in ship's hull structure. The majority of our stock is the high quality DNV A420 bulb flat steel bar shipbuilding steel plate.We keep large amounts of shipbuilding steel in stocks. DNV A420 bulb flat steel specifications : 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 DNV A420 bulb flat steel bar chemical composition: Grade C max Si Mn max P max S max Als N max Nb max V max Ti max B max A420 0.21 0.10-0.55 1.7 0.0

BV AH32 bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV AH32 bulb flat steel bar shipbuilding steel plate. BV AH32 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV AH32 bulb flat steel bar Mechanical Property : Grade Rm (MPa) Re(MPa) min A% min Akv/J min E.T °C Thickness (mm) ≤ 50 > 50-70 > 70-100 L C L C L C BV/AH32 440-570 315 22 0 31 22 38 26 4

BV AH36 bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV AH36 bulb flat steel bar shipbuilding steel plate. BV AH36 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV AH36 bulb flat steel bar Mechanical Property : Grade Rm (MPa) Re(MPa) min A% min Akv/J min E.T °C Thickness (mm) ≤ 50 > 50-70 > 70-100 L C L C L C BV/AH36 490-630 355 21 0 34 24 41 27 50

BV A550 bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV A550 bulb flat steel bar shipbuilding steel plate. BV A550 bulb flat steel bar has a large number of stocks. BV A550 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV A550 bulb flat steel bar Mechanical Property : Grade Mechanical Property Charpy V Impact Test Yield Min Mpa Tensile Mpa Elongation Min % Degree Energy 1 (J) Energy 2(J) A550 550 670-830 16% 0 37 55 BV A5

BV A620 bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV A620 bulb flat steel bar shipbuilding steel plate. BV A620 bulb flat steel bar has a large number of stocks. BV A620 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV A620 bulb flat steel bar Mechanical Property : Grade Mechanical Property Charpy V Impact Test Yield Min Mpa Tensile Mpa Elongation Min % Degree Energy 1 (J) Energy 2(J) A620 620 720-890 15% 0 41 62 BV A6

BV A690 bulb flat steel bar BV A690 bulb flat steel bar with good toughness properties, higher strength and are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans. All of our stock is the high quality BV A690 bulb flat steel bar shipbuilding steel plate. BV A690 bulb flat steel bar has a large number of stocks. BV A690 bulb flat steel bar specifications: 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 BV A690 bulb flat steel bar Mechanical Property : Grade Mechanical Property Charpy V Impact Test Yield Min Mpa Tensile Mpa Elongation Min % Degree Energy 1 (J) Energy 2(J) A690 690 770-940 14% 0

ABS Grade A bulb flat steel bar ABS Grade A bulb flat steel bar is a kind of high tensile strength marine steel. All of these steels have been engineered to be optimal long-lived shipbuilding steels. ABS Grade A bulb flat steel bar Shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components. ABS Grade A bulb flat steel bar specifications : 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 ABS Grade A bulb flat steel bar Mechanical Property: Grade Rm (MPa) Re(MPa) min A% min Akv/J min E.T °C Thickness (mm) ≤ 50 >50-70 >70-100 L C L

ABS Grade B bulb flat steel bar ABS Grade B bulb flat steel bar is a kind of high tensile strength marine steel. All of these steels have been engineered to be optimal long-lived shipbuilding steels. ABS Grade B bulb flat steel bar Shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components. ABS Grade B bulb flat steel bar specifications : 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20 ABS Grade B bulb flat steel bar Mechanical Property: Grade Rm (MPa) Re(MPa) min A% min Akv/J min E.T °C Thickness (mm) ≤ 50 >50-70 >70-100 L C L