Properties of 15MnNiNbDR low temperature vessel steel, Wugang 15MnNiDR and 15MnNiNbDR steel plates

15MnNiNbDR Low temperature vessel steel , Wugang 15MnNiDR and 15MnNiNbDR Steel plate performance differences

 

5MnNiDR The utility model belongs to a low-temperature pressure vessel which is executed by steel plates GB/T3531-2014. pronounce as ： Fifteen manganese nickel low volume
15MnNiDR Steel plate is a steel plate for low temperature pressure vessels developed by Wuhan Iron and Steel Company , Use and manufacture cryogenic vessels such as ethylene spherical tanks
15MnNiDR Steel plate delivery status ： Normalize 、 Normalize + Temper
15MnNiDR Executive Standards ：GB/T3531-2014
15MnNiDR Impact temperature of steel plate ：-45°C
15MnNiDR characteristic ：15MnNiDR The steel plate has good low temperature impact toughness , Excellent welding performance and resistance to hydrogen sulfide stress corrosion .
15MnNiDR Steel plate manufacturer ： Wuyang Iron and steel sun fan
15MnNiDR Chemical composition and mechanical properties of steel plate

One 、15MnNiNbDR Low temperature vessel steel

15MnNiNbDR The steel plate belongs to the vessel class for low temperature pressure vessels ,15MnNiNbDR Wugang steel plate has an impact temperature below zero -45°, With high strength 、 High toughness ,15MnNiNbDR The emergence of steel plate has filled the gap between the low alloy steel plates for low temperature vessels in the industry 40 degree ____ Below zero 70 Steel blank is used between degrees , It is often used to manufacture low temperature pressure vessels 、 Cryogenic spherical storage tank 、 High parameter low temperature cylindrical vessel 、 Low temperature ethylene spherical tank and other equipment .
Two 、15MnNiNbDR Mechanical properties :

Impact test ：-50 Impact test 8-60mm≥60J

Bend test 180°8-60mm = d=3a Elongation after fracture A/：20

15MnNiNbDR yield strength ：8—16mm： ≥370;16—36mm： ≥360;36—60mm： ≥350;

15MnNiNbDR Tensile strength ：8—16mm： 530--630;16—36mm： 530--630;36—60mm： 520—620

3、 ... and 、15MnNiNbDR Chemical composition
C Si Mn P S Ni Cr Mo Cu Nb
≤0.18 0.15~0.5 1.2~1.6 ≤0.02 ≤0.008 0.3~0.7 ≤0.25 ≤0.08 ≤0.25 0.015~0.04

C：≤0.18;Si：0.15-0.50;Mn：1.20-1.60;P：≤0.020;S：≤0.010;Ni：0.30-0.70;Nb：0.01-0.04;Al：≤0.015;Cr：≤0.45.

Ingredient notes ：Cr、Mo、Cu Is the residual element ; To improve the performance of steel plate , Steel can be added Nb、V、Ti Equal elements ,Nb+V+Ti≤0.12.

Four 、15MnNiNbDR application

Steel plates for cryogenic vessels 15MnNiDR It is widely used in manufacturing low temperature welded pressure vessels . The steel plates for low temperature pressure vessels produced by Wugang are pure , Low inclusion content , Excellent performance , It has good combination of strength and toughness and low temperature toughness , Fully comply with the standard requirements , Especially low temperature impact toughness , Much higher than the standard requirements .
Stock can be cut square 、 round 、 Special shaped parts ; Spot supply , Complete specifications ; Futures are fixed , The price is favorable ; It can handle transportation .
Low alloy steel plate ：Q355B/C/D/E
Carbon structural steel ：45# Alloy structural steel ：12Cr1MoV、15CrMo、42CrMo、40Cr
Container board ：Q245R、Q345R、Q245R(R-HIC)、Q345R(R-HIC)、15CrMoR、14Cr1MoR、09MnNiDR、12Cr2Mo1R
Wear plate ：NM360、Nm400、NM450、NM500
High strength plate ：Q460C/D/E、Q550C/D/E、Q690C/D/E
American Standard Board ：SA387Gr11、SA387Gr12、SA387Gr22、SA516Gr60、SA516Gr70