EN 10028-4 12Ni14 low-temperature steel plate is used for the pressure vessel with low-alloy ferritic. The mass fraction nickel of12Ni14 low-temperature steel is 3.25% ~ 3.75% and other small alloying elements obtained by low-alloy and high-strength low-temperature steel. 12Ni14 has sufficient strength, plasticity and toughness under low temperature working condition, and it also should have good welding process performance at the same time. EN 10028-4 12Ni14 steel plate is mainly used in the welding of standardized containers, industrial boilers and pressure vessels in the manufacture.

 

12Ni14 Mechanical property:

Specification	Yield strength N/mm2		Tensile Strength N/mm2	Elongation min. %	Charpy V-notch Temp. (°C) Energy (J)
	t<30mm	30mm<t<50mm		t<50mm	20	0	-20	-40	-50
12 Ni 14	355	345	490-640	22	65	60	55	55	50

12Ni14 Chemical composition (%):

Steel grade		% by mass
steel name	steel number	C max	Si max	Mn	P max	S max
12 Ni 14	1.5637	0.15	0.35	0.30-0.80	0.02	0.01
		Altotal min	Mo max	Nb max	Ni	V
		-	-	-	3.25-3.75	0.05

Delivery condition of 12Ni14 pressure vessel steel plate: AR, CR, NR, TMCP, N, T, N+T, Q+T

12Ni14 pressure vessel steel plate dimension (T*W*L) mm: 6-150*1600-4100*L

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