Standard: SA203 Gr.A/ Gr.B/ Gr.D/ Gr.E

Thickness: 6mm - 150mm

Tensile strength: 450mpa - 690mpa

Product Detail | Technical Information | Packaging

Product Detail

Shanghai Metal Corporation is a professional manufacturer and supplier of SA 203 Nickel Alloy Steel Pressure Vessel Plate with high quality and reasonable price.

SA203 pressure vessel nickel alloy steel plate is a low nickel alloy steel, including five grades: A, B, D, E, and F. SA203GrD, SA203Gr.E, SA203Gr.F have good impact toughness and mechanical properties in low-temperature working conditions, and are usually used in low-temperature environments ranging from -70℃ to -101℃ (quenched and tempered state can reach -107℃). SA203 pressure vessel nickel alloy steel plate is widely used in the manufacturing of equipment for cryogenic separation processing, air separation, and liquefied gas storage. in recent years, this type of material has been used in low-temperature equipment such as CO2 absorption towers, H2S concentration towers, and washing towers in domestic coal chemical projects

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Width: 1.0m - 3.5mm

Tensile strength: 450mpa - 690mpa

Yield strength: > 255mpa

Elongation: > 17%

Good impact toughness

Suitable for low temperature environment

Superior mechanical performance

1. Oil and Gas Industry

2. Thermal power plant

3. Chemical industry

4. Nuclear energy industry

5. Pharmaceuticals, pesticides

Technical Information of SA 203 Nickel Alloy Steel Pressure Vessel Plate:

Manufacturing Technology

Initial refining → LF refining → VD treatment → continuous casting (mold casting) → cleaning and heating → rolling → (stacking) → surface inspection → batching → flaw detection → heat treatment → cutting and sampling → performance inspection → storage.

Supplementary Requirements

S1. Vacuum treatment

S2. Product analysis

S3. Charpy V-Notch Impact Test

S4. Drop weight test

S5. Ultrasonic examination in accordance with specification A435/A435M

S6. Magnetic particle examination

S7. Vacuum carbon-deoxidized steel

ASTM A203/A203M Chemical Composition(%)
Elements	Grade A	Grade B	Grade D	Grade E and F
C, max
T ≤ 50mm	0.17	0.21	0.17	0.20
50mm < T < 100mm	0.20	0.24	0.20	0.30
T >100mm	0.23	0.25	...	...
Mn, max
T ≤ 50mm	0.70	0.70	0.70	0.70
T >50mm	0.80	0.80	0.80	0.80
P, max	0.025	0.025	0.025	0.025
S, max	0.025	0.025	0.025	0.025
Si	0.15~0.40	0.15~0.40	0.15~0.40	0.15~0.40
Ni	2.10~2.50	2.10~2.50	3.25~3.75	3.25~3.75

ASTM A203/A203M Mechanical Property
	Grade A & D	Grade B & E	Grade F
Tensile strength	Mpa	Mpa	Mpa
T ≤ 50mm	450~585	485~620	550~690
T >50mm	450~585	485~620	515~655
Yield strength
T ≤ 50mm	>255	>275	>380
T >50mm	>255	>275	>345
Elongation(L=200mm)%	>19	>17	.....
Elongation(L=50mm)%	>23	>21	>20

Packaging of SA 203 Nickel Alloy Steel Pressure Vessel Plate:

Products of Shanghai Metal Corporation are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1)SMC Standard

2)Customization

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SA 203 Nickel Alloy Steel Pressure Vessel Plate

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