• Cheap marine manhole cover,the hatch cover Promotions,tts hatch covers Brands
  • Cheap marine manhole cover,the hatch cover Promotions,tts hatch covers Brands
  • Cheap marine manhole cover,the hatch cover Promotions,tts hatch covers Brands

Marine Manhole Cover

Brand :Nantong Zhonghai

Product origin :China

Delivery time :According Customers' Requirement

Supply capacity :100T/Month

We follow different classification society requirement which is based on the ship registration. Our factory has got DNV-GL certification, ABS certification and CCS certification.

Cheap marine manhole cover,the hatch cover Promotions,tts hatch covers Brands

The steel for large ships mostly adopts wide and thick plates and requires the welding capacity of large line energy (welding heat transfer is mostly at 50kJ/cm, up to 500kJ/cm), and its carbon equivalent shall not be greater than 0.45. Currently, 315~390MPa level is mainly used in production. Ship steels of higher strength classes are expressed in mass grade letters and yield strength values (MPa). The steel used for ships mostly adopts alloy structure steel (adopting performance steel number or code name), the yield strength level can reach above 1000MPa.


We have built the high proficient production line to produce the T section steel of high quality. We have ten year's experience in providing ship outfits for international leading shipyards.


We have more than ten years' experience in providing ship outfits. The ship types include Capesize bulk carrier, container vessel, VLCC, VLOC, etc. And the shipyard our company cooperate are all leading palyer in the shipbuilding industry. 


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