Shanghai Katalor Enterprises Co., Ltd

Nippon Kaiji Kyokai (NK)

Nippon Kaiji Kyokai, known as ClassNK or NK, is a ship classification society. The Society is actively engaged in a growing range of ship related activities and services aimed at contributing to promoting the protection of human life and property at sea as well as protection of the marine environment.

The NK Mission:

ClassNK is dedicated to ensuring the safety of life and property at sea, and the prevention of pollution of the marine environment.

To achieve this mission ClassNK will: Focus on delivering the highest quality classification services, by the highest quality personnel, while maintaining its totally independent third party, non-profit status.

Focus on the development of relevant rules, procedures and guidance, and maintain and develop its commitment to scientific and technological research and development.

Maintain and develop its global operations in line with the needs of clients using its services. ClassNK has earned an outstanding reputation for its long-standing dedication to safeguarding life and property at sea and preventing marine pollution through the establishment of universally recognized standards for the design, construction and maintenance of ships and other marine structures.

The principal work of the Society's expert technical staff is to undertake surveys to ensure that the rules which it has developed are applied to newbuildings and existing ships to ensure their safety. The rules cover not only hull structures, but also propulsion systems, electrics,electronic systems, safety equipment, cargo handling gear, and various other areas. ClassNK's surveyors work in shipbuilding and repair yards and at ports across the world, wherever they may be called upon to examine the condition of a ship.

The Head Office is located in Tokyo and in Chiba, Japan, and there are branch offices at the major Japanese and overseas cities throughout the world. (see Contact us) As of the end of February 2019, the Society had 9,083 ships totaling over 252 million g.t. under class. This figure represents approximately 20 percent of the world merchant fleet currently under class.

Shipbuilding Steel Grades and Equivalent

Shipbuilding steel grades and equivalent are specified in the specifications of each classification society in the table below.

ASTM A131 Classification Society Standard
ABS BV CCS DNV GL KR LR NK RINA
A131 A ABS A BV A CCS A DNV A GL A KR A LR A NK A RINA A
A131 B ABS B BV B CCS B DNV B GL B KR B LR B NK B RINA B
A131 D ABS D BV D CCS D DNV D GL D KR D LR D NK D RINA D
A131 E ABS E BV E CCS E DNV E GL E KR E LR E NK E RINA E
A131 AH32 ABS AH32 BV AH32 CCS AH32 DNV AH32 GL AH32 KR AH32 LR AH32 NK AH32 RINA AH32
A131 DH32 ABS DH32 BV DH32 CCS DH32 DNV DH32 GL DH32 KR DH32 LR DH32 NK DH32 RINA DH32
A131 EH32 ABS EH32 BV EH32 CCS EH32 DNV EH32 GL EH32 KR EH32 LR EH32 NK EH32 RINA EH32
A131 FH32 ABS FH32 BV FH32 CCS FH32 DNV FH32 GL FH32 KR FH32 LR FH32 NK FH32 RINA FH32
A131 AH36 ABS AH36 BV AH36 CCS AH36 DNV AH36 GL AH36 KR AH36 LR AH36 NK AH36 RINA AH36
A131 DH36 ABS DH36 BV DH36 CCS DH36 DNV DH36 GL DH36 KR DH36 LR DH36 NK DH36 RINA DH36
A131 EH36 ABS EH36 BV EH36 CCS EH36 DNV EH36 GL EH36 KR EH36 LR EH36 NK EH36 RINA EH36
A131 FH36 ABS FH36 BV FH36 CCS FH36 DNV FH36 GL FH36 KR FH36 LR FH36 NK FH36 RINA FH36
A131 AH40 ABS AH40 BV AH40 CCS AH40 DNV AH40 GL AH40 KR AH40 LR AH40 NK AH40 RINA AH40
A131 DH40 ABS DH40 BV DH40 CCS DH40 DNV DH40 GL DH40 KR DH40 LR DH40 NK DH40 RINA DH40
A131 EH40 ABS EH40 BV EH40 CCS EH40 DNV EH40 GL EH40 KR EH40 LR EH40 NK EH40 RINA EH40
A131 FH40 ABS FH40 BV FH40 CCS FH40 DNV FH40 GL FH40 KR FH40 LR FH40 NK FH40 RINA FH40
- ABS AQ43 BV AH420 CCS AH420 DNV A420 GL A420 KR AH43 LR AH42 KA43 RINA A420
- ABS DQ43 BV DH420 CCS DH420 DNV D420 GL D420 KR DH43 LR DH42 KD43 RINA D420
- ABS EQ43 BV EH420 CCS EH420 DNV E420 GL E420 KR EH43 LR EH42 KE43 RINA E420
- ABS FQ43 BV FH420 CCS FH420 DNV F420 GL F420 KR FH43 LR FH42 KF43 RINA F420
- ABS AQ47 BV AH460 CCS AH460 DNV A460 GL A460 KR AH47 LR AH46 KA47 RINA A460
- ABS DQ47 BV DH460 CCS DH460 DNV D460 GL D460 KR DH47 LR DH46 KD47 RINA D460
- ABS EQ47 BV EH460 CCS EH460 DNV E460 GL E460 KR EH47 LR EH46 KE47 RINA E460
- ABS FQ47 BV FH460 CCS FH460 DNV F460 GL F460 KR FH47 LR FH46 KF47 RINA F460

from: http://www.classnk.or.jp/hp/en/



CONTACT US
Tel: 0086-21-61182423
Fax: 0086-21-61182425
E-Mail: [email protected]
Skype: shanghai.katalor
Address: Address:Unit 6, lane 2500, xiupu Road, Kangqiao Industrial Area, Pudong New District, Shanghai

Customer Case

50000MT LRDH36 LREH36 Shipbuilding Plates For New Zealand Navy Project
50000MT LRDH36 LREH36 Shipbuilding Plates For New Zealand Navy Project
290 Sets of 304 SS Shackles For Ship Parts
290 Sets of 304 SS Shackles For Ship Parts
6800 tons ABS DH36 Bulb Flats Exported to Vietnam 2018
6800 tons ABS DH36 Bulb Flats Exported to Vietnam 2018
7400 MT CCS AH36 BULB FLAT Supplied to Vietnam 2017
7400 MT CCS AH36 BULB FLAT Supplied to Vietnam 2017
Shipbuilding CCS AH36 Steel Plates to Peru for Container ship construction
Shipbuilding CCS AH36 Steel Plates to Peru for Container ship construction
600MT AH36 STEEL PLATES Exported to Malaysia
600MT AH36 STEEL PLATES Exported to Malaysia
18000 tons ShipBuilding Steel Plates for Marine Engine &Deck On Ship
18000 tons ShipBuilding Steel Plates for Marine Engine &Deck On Ship
2700MT LR 410II Shipbuilding Pipe &LR A Angle to Singapore
2700MT LR 410II Shipbuilding Pipe &LR A Angle to Singapore

CONTACT US

No limited to time and space, you can call for our online-service personnel for consultation, or fill in the table below for an enquiry. Your message will be promptly resolved.

Tel: 0086-18317160019
E-Mail: [email protected]
Skype: shanghai.katalor
Address: Address:Unit 6,lane 2500,xiupu Road,Kangqiao Industrial Area,Pudong New District,Shanghai