SA203 GrE nickel series low temperature steel

SA203 GrE steel is equivalent to 08Ni3DR of the standard GB3531, with a nickel content of 3.5%, commonly known as 3.5Ni steel. SA203 GrE nickel steel plates are for low temperature pressure vessels at -100 degrees Celsius.

SA203 GrE low temperature steel plate executive standard:
SA203 GrE low temperature steel plate implements ASME SA203/SA203M.

Delivery status of SA203 GrE steel plate:
The delivery state of SA203 GrE steel plate is generally normalized (N), normalized (N) plus tempered (T) or quenched and tempered (quenched + tempered, QT).

Smelting analysis of SA203 GrE low temperature steel plate chemical composition:

Elements	C	Mn	P	S	Si	Ni
SA203GrE	≤0.23	≤0.88	≤0.025	0.025	0.13-0.45	3.18-3.82

Mechanical properties of SA203 GrE steel plate:

Delivery Status	Thickness	Mechanical properties
Normalizing	>50-100mm	Re(MPa)	≥275
		Rm(MPa)	485-620
		A200(%)	≥17	A50≥21%

Application of SA203 GrE low temperature steel plate:
SA203 series steel plate, the maximum thickness currently used is 110mm, SA203 GrE steel plate is often used in cryogenic separation processing, air separation, liquefied gas storage equipment and other industries to manufacture CO2 absorption towers, H2S absorption towers, H2S concentration towers, methanol washing towers, etc. equipment.

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