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08Ni3DR steel plate delivery status and characteristics

08Ni3DR steel plate delivery status and characteristics
Dec 22, 2022 page view:16

08Ni3DR steel plate

08Ni3DR steel plate introduction: 08Ni3DR steel plate is used for ultra-low temperature vessel, which is used to manufacture LNG storage tank and ultra-low temperature vessel steel plate of LNG ship for storage and transportation of LNG. Among them, 08 refers to the nominal carbon content of 0.08% in the steel plate, Ni3 refers to the nominal Ni content of 3% in the steel plate, and the actual content is 3.25%~3.70%.

Delivery status: 08Ni3DR steel plate is delivered in the state of offline quenching+tempering. In order to improve the toughness of steel, intermediate heat treatment (secondary quenching) can also be carried out. Steel plates with a thickness of no more than 12mm can also be delivered in the normalized and tempered state twice. The tempering temperature of steel plates is not lower than 540.

Executive standard: GB/T3531-2014.

Introduction to chemical composition and alloy elements of 08Ni3DR steel plate:
Alloying element carbon C=0.1
Alloying element Si=0.5-0.35
Alloying element Mn=0.3-0.8
Alloy element phosphorus P=0.015
Alloying element sulfur S=0.005
Alloy element Ni=0.037
Alloying element Cr=0.25
Alloy element Mo=0.12
Alloying element Cu=0.35
Alloying element vanadium V=0.05

Characteristics of 08Ni3DR steel plate
1. The steel plate works under high pressure and bears high pressure
2. The steel plate is subject to impact, fatigue load and water and air corrosion, and certain strength is required
3. Good welding and cold bending performance. It has very special ingredients and many excellent properties.

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