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You are here : section steel--Katalor steel > Flat-Bulb Steel for shipbuilding > 正文KR GRADE D bulb flat steel

KR GRADE D bulb flat steel

KR GRADE D bulb flat steel

bulb flat steel is a material which used in shipbuilding industry. It has twice economic effectiveness than ordinary medium section, and has stable market demands.

KR GRADE D bulb flat steel is a normal strength hull structural steel, it has -20℃ impact test and the ship will be able sailing at cold area. Below is the technique data of KR GRADE D bulb flat steel

Chemical Composition of KR GRADE D bulb flat steel

Grade	Chemical Composition %
Grade	C	Si	Mn	P	S	Cu	Cr	Ni
KR D	≤0.21	≤0.35	≥0.60	≤0.030	≤0.030	≤0.35	≤0.30	≤0.30

Mechanical Properties of KR GRADE D bulb flat steel

Grade

Tensile Test

Impact Energy KV2/J

Yield Strength ReH/Mpa

Tensile Strength Rm/Mpa

Elongation A/%

Temperature

℃

Longitudinal

Transverse

KR D

≥235

400-520

≥22

-20

≥27

≥20

We are one of the biggest bulb flat steel manufacturers in China, with thousand tons cash resources and will give you the fast delivery. We can produce bulb flat steel if the stock is not enough. We can supplier bulb flat steel with every Classification Society Certificate, if you need bulb flat steel, welcome contact us.

Katalor Enterprises always see products quality as company life, have got customers’ praise all over the world. We want to build long term business relationship with every customer, sincerely want to cooperate with you.