alloy steel plate, shipbuilding steel plate,Boiler steel plate

About us

Henan Seed Steel Metal Materials Co., Ltd is the only steel supplier in China who provides the most comprehensive types of steel. Our steel plate products include black steel plates, stainless steel plates, galvanized steel plates, checkered steel plates, steel coils and so on. Among all steel plate products of our company, extra wide and thick ste... [more]

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  • Factory Pictures &Service

    We are chinese steel manufacturer,we mainly provide steel plate,such as shipbuilding steel plate,boiler steel plate,mold steel and alloy steel plate.

  • Hot Products

    Our hot products are AH32,NVF32, AH36,AB/EH36,FH40,A420,D460,FH690,AQ47,ABSEQ51,DQ56 ship plate and ASTM : A299Gr.A/B, A515Gr.60/65/70 , A516Gr.55 /gr.65 / Gr.70, A537CL 1/ CL 2 / CL 3, A387Gr.11/ Gr.12, A204Gr.A/ B/C . boiler steel plate

  • Stainless steel plate

    our stainless steel mainly include stainless steel sheet/plate/coil, stainless steel pipe, stainless steel bars.

  • Shipbuilding and offshore engine

    General strength shipbuilding steel plate,with 20°C, 0°C, -20°C and -40°C impact test.High strength shipbuilding steel plate,including 0°C, -20°C, -40°C,-60°C.

  • Boiler and pressure vessel steel

    the steel grades of boiler steel plate,pressure steel plate are a516 gr70,P235GH,P265GH,P295GH and so on.

  • Alloy steel plate,Alloy structur

    Alloy structural steel plate grade main inculde SAE4130, 25CrMo4, 34CrMo4, 42CrMo4, 4118, 4135, 5140,4135,4140, 4340,15Mo3(1.5415) ,15CrMo5(1.7262)

Spot Resources
Product Name Grade/Material standard Thickness Price Quantity Warehouse Published
Hot rolled steel plate S355JR 26.50 9 12/20
Hot rolled steel plate S355JR 18.00 -- 3 12/20
Hot rolled steel plate S355ML 15.00 up 5 12/20
Hot rolled steel plate S355ML 8.00 up 5 12/20
stainless steel plate 316L/NO.1 6.00 up 12.5 12/20
stainless steel plate 304/2B 2.50 up 10 12/20
stainless steel plate 304/NO.1 4.00 Up 12 12/20
stainless steel plate 304/NO.1 3.00 up 34 12/20
stainless steel plate 201/NO.1 8.00 up 33 12/20
stainless steel plate 201/NO.1 6.00 Up 12 12/20
stainless steel plate 304/2B 2.50 12.6 11/09
stainless steel plate 304/2B 2.50 increase 12.6 11/09
stainless steel plate 201/NO.1 6.00 increase 7.35 11/09
Hot rolled steel plate S355J2W+N 10.00 18 11/03
Hot rolled steel plate S355G8+N 70.00 39.552 11/03
steel plate S355J0+N 13.00 1.856 11/03
Hot rolled steel plate S355J2W(H) 9.00 2.148 11/03
Hot rolled steel plate S355J2W(H) 40.00 4.952 Jiangyin 11/03
Hot rolled steel plate A588GrA 32.00 41 Jiangyin 11/03
Hot rolled steel plate A588 GrA 8.00 23 11/03
shipbuilding steel plate CCSAH36 22.00 41 10/10
shipbuilding steel plate CCSAH36 30.00 32 10/10
open flat shipbuilding steel plate CCSA 5.00 52 10/10
shipbuilding steel plate CCSAH36 10.00 14 10/10
shipbuilding steel plate CCSB 14.00 12 10/10
Pickling volume SPHC 2.00 38.11 10/09
Pickling volume SPHC 2.50 22.19 10/09
Cold - rolled # 1 hot - dip galvanizing BZCL 1.12 1450 10/09
Plated aluminum coil DX51D+AZ 1.95 9.995 10/09
Plated aluminum coil DX51D+AZ 1.90 29.98 10/09
Hot rolled steel plate S355JR-Z25 15.00 US$334.85 34 10/08
Hot rolled steel plate S355JR+N 29.00 US$353.03 12 10/08
Hot rolled steel plate S355JR 23.00 US$319.70 23 10/08
Carbon and low alloy steel SS400/ST37-2/S235JR Shang Hai 6.00 30 Shang Hai 09/29
Wear-resisting steel Hardox500/RAEX500/NM500 Shang Hai 100.00 26.18 Wu Gang 09/29
Galvanized coil CS-B 0.74 34 09/29
Galvanized coil DX51D+Z 1.00 234.38 09/29
Hot rolled steel plate S355J2G4 32.00 US$334.85 85 09/29
Hot rolled steel plate S355J2+N 22.00 US$327.27 9 09/29
Hot rolled steel plate S355J2 54.40 US$357.58 10 09/29
Hot rolled steel plate S355JR+N 26.50 US$334.85 15 09/29
Hot rolled steel plate S355JR 18.00 US$334.85 3 09/29
hot rolled steel plate SM490A-VOLVO 18.00 US$310.61 2 09/29
hot rolled steel plate SM490YB 30.00 US$333.33 23 09/29
hot rolled steel plate SM490B-Z15 40.00 US$366.67 12 09/29
hot rolled steel plate SM490A shanghai 14.00 US$325.76 10 shanghai 09/29
Cold rolled coil DC01 Shanghai 0.60 8.965 Shanghai 08/11
cold rolled coil SPCCT Hebei 0.50 50 Hebei 08/11
pressure vessel plate Q345R shanghai 6.00 47.472 shanghai 08/11
Wear-resisting steel Hardox400/RAEX400/NM400 Shang Hai 6.00 25.50 S67 08/11
Boiler and pressure vessel steel plate A516 Gr70 shanghai 10.00 174MT Shanghai 09/18
Boiler and pressure vessel steel plate SA203E/D Tianjin 70.00 46.302MT Tianjin 12/04
Boiler and pressure vessel steel plate SA203E/D Tianjin 50.00 14.15MT Tianjin 12/04
Boiler and pressure vessel steel plate SA203E/D shanghai 30.00 37.92mt Shanghai 12/04
Oil pipeline steel plate API 5L X60 shanghai 16.00 46.32 Shanghai 12/04
Oil pipeline steel plate API 5L X60 shanghai 20.00 41.11MT Shanghai 12/04
Oil pipeline steel plate API 5L X60 shanghai 40.00 10.201MT Shanghai 12/04
Oil pipeline steel plate API 5L X60 shanghai 19.00 18.65MT Shanghai 12/04
Oil pipeline steel plate API 5L X70 shanghai 22.00 8.64MT Shanghai 12/04
Oil pipeline steel plate API 5L X70 shanghai 30.00 33.69MT Shanghai 12/04
Oil pipeline steel plate API 5L X70 shanghai 26.00 12.4mt Shanghai 12/04
Ship building steel plate LR/DH36 Zhengzhou 30.00 USD/MT 33.212MT Zhengzhou 12/04
Ship building steel plate LR/EH36 shanghai 40.00 USD/M 11.8MT Shanghai 12/04
Ship building steel plate CCS/EH36 Tianjin 80.00 26.07MT Tianjin 12/04
Ship building steel plate AB/EH36 Tianjin 40.00 66.6MT Tianjin 12/04
Ship building steel plate AB/EH36 shanghai 30.00 34.77MT Shanghai 12/04
Ship building steel plate AB/EH36 shanghai 10.00 811.5USD/T 39.2MT Shanghai 08/25
Ship building steel plate AB/EH36 shanghai 8.00 10.3MT Shanghai 12/04
boiler steel plate SA515 GR70 Zhengzhou 24.00 14.144MT Zhengzhou 07/21
boiler steel plate SA515 GR70 Zhengzhou 18.00 11.2MT Zhengzhou 07/21
Ship building steel plate LR AH36 shanghai 20.00 700USD/TON 113.97MT Shanghai 07/21
Ship building steel plate EH36 Z35 shanghai 80.00 34.361MT Shanghai 07/21
Ship building steel plate EH36 Z35 shanghai 40.00 12.5MT Shanghai 07/21
Ship building steel plate ABS D36 shanghai 20.00 650USD/TON 231.3MT Shanghai 12/04
Wear resistant steel plate NM360 Shanghai 18.00 44.844 MT Shanghai 12/04
Wear resistant steel plate NM400 Shanghai 12.00 58.66 MT Shanghai 12/04
Wear resistant steel plate Corten B Shanghai 10.00 19.763 MT Shanghai 07/03
Wear resistant steel plate Corten A Shanghai 6.00 30.952 MT Shanghai 07/03
Weather resist steel plate S355J0WP Shanghai 16.00 45.387 MT Shanghai 07/03
Weather resist steel plate S355J0W Shanghai 25.00 6.870 MT Shanghai 07/03
High strength steel plate S460NL Tianjin 42.00 5.124 MT Tianjin 07/03
High strength steel plate S690Q Shanghai 24.00 45.126 MT Shanghai 07/03
High strength steel plate S690QL1 Tianjin 52.00 16.452 MT Tianjin 07/03
Pressure vessel steel plate P355N Shanghai 6.00 4.360 MT Shanghai 07/03
Pressure vessel steel plate SA204GrE Shanghai 50.00 10.462 MT Shanghai 07/03
Pressure vessel steel plate SA516Gr70 Tianjin 75.00 16.250 mt Tianjin 07/03
Pressure vessel steel plate SA387Gr11CL2 Shanghai 20.00 10.450 MT Shanghai 07/03
Pressure vessel steel plate SA387Gr11CL2 Tianjin 8.00 5.361 MT Tianjin 07/03
Pressure vessel steel plate SA387Gr11CL2 Tianjin 6.00 16.240 MT Tianjin 07/03
Shipbuilding steel plate A131Gr.AH36 Shanghai 25.00 38.640 MT Shanghai 07/03
Shipbuilding steel plate A131Gr.DH40 Tianjin 30.00 13.450 MT Tianjin 07/03
Shipbuilding steel plate A131Gr.EH36 Tianjin 45.00 41.200 MT Tianjin 07/03
Shipbuilding steel plate NV/EH36 Tianjin 70.00 123.520 MT Tianjin 07/03
Shipbuilding steel plate CCS/E36 Shanghai 125.00 16.956T Shanghai 07/03
Shipbuilding steel plate GL-F36 Tianjin 80.00 67.659 MT Tianjin 07/03
Shipbuilding steel plate AB/EH36 Shanghai 100.00 53.969 MT Shanghai 07/03
Alloy structural steel plate SAE4140 shanghai 24.13 -- Shanghai 06/27
boiler steel plate SA387GR11CL2 Zhengzhou 103.00 1183.3USD/ 15.888TON Zhengzhou 06/27
boiler steel plate SA387GR11CL2 Zhengzhou 62.00 1133.3USD/ 5.005TON Zhengzhou 06/27
boiler steel plate SA387GR11CL1 Zhengzhou 85.00 1141.6USD/ 14.936TON Zhengzhou 06/27
Carbon structural steel plate/sheet SS400 shanghai 5.75 600USD/TON 42.92TON Shanghai 06/27
boiler steel plate SA203E/D Zhengzhou 10.00 -- 1.462TON Zhengzhou 06/27
boiler steel plate SA203E/D Zhengzhou 70.00 -- 16.984TON Zhengzhou 06/27
boiler steel plate SA203E/D Zhengzhou 20.00 -- 2.023TON Zhengzhou 06/27
boiler steel plate P355GH shanghai 22.00 -- 8.288TON Shanghai 06/27
boiler steel plate P355GH Zhengzhou 50.00 750USD/TON 6.954TON Zhengzhou 06/27
boiler steel plate P355GH shanghai 90.00 -- 23.251TON Shanghai 06/27
boiler steel plate P355GH shanghai 100.00 -- 26.409TON Shanghai 06/27
Mold steel plate P20 Flat bar Dalian 45.00 1166.7USD/ 5.922TON Dalian 06/27
Mold steel plate P20 Flat bar Dalian 102.00 1177.7USD/ 13.3TON Dalian 06/27
Mold steel plate P20 Flat bar Zhengzhou 135.00 -- 9.222TON Zhengzhou 06/27