ASTM A203 Grade: A, B, D, E, F, Boiler VesselVolumeIt is a nickel alloy steel material used in the manufacture of high temperature pressure vessels. ASTM A203 Boiler VesselVolumeThe performance is based on its Ni composition. ASTM A203 Boiler VesselVolumeThere are five grades: A, B, D, E and F.
ASTM A203 Boiler Vessels for Grade A, B, D and E
VolumeAll shall be normalized as required. The chemical composition shall conform to the requirements of ASTM A203/A203M. Also, ASTM A203 Boiler VesselVolumeTwo mechanical property tests are required: a tensile test and an impact test.
Product Parameters
Product Name | A203 Pressure Vessel Carbon Steel Coil |
Production process | hot rolling,cold rolling |
Material Standards | AISI,ASTM,ASME,DIN,BS,EN,ISO,JIS,GOST,SAE etc. |
Width | 45mm-2200mm |
Length | Custom size |
Thickness | hot rolling: 2.75mm-100mm cold rolling: 0.2mm-3mm |
Delivery conditions | rolling,Annealing,Quenching,Tempered or standard |
Surface process | Ordinary,Wire drawing,Laminated film |
chemical composition
A203 | Upper limit of chemical element content(%) | |||||
C | Si | Mn | P | S | Ni | |
Class A | 0.23 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 2.03-2.57 |
Class B | 0.25 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 2.03-2.57 |
Class D | 0.20 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 3.18-3.82 |
Class E | 0.23 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 3.18-3.82 |
Class F | 0.23 | 0.13-0.45 | 0.88 | 0.025 | 0.025 | 3.18-3.82 |
Mechanical properties
A202 | Tensile Strengthkis[MPa] | yieldStrengthkis[MPa] | Elongation gauge length8 in.[200mm],% | Elongation gauge length2 in.[50mm],% |
GradeA | 65-85 [450-585] | 37 [255] | 19 | 23 |
GradeB | 70-90 [485-620] | 40 [275] | 17 | 21 |
GradeD | 65-85 [450-585] | 37 [255] | 19 | 23 |
GradeE | 70-90 [485-620] | 40 [275] | 17 | 21 |
GradeF | 75-100 [515-690] | 50 [345] | - | 20 |
Physical Performance
Physical Performance | Metric | Imperial |
Density | 7.80g/cc | 0.282 lb/in³ |
Scope of application
ASTM A203 boiler vessel plate is widely used in petroleum, chemical industry, power station, boiler and other industries, for the manufacture of reactor, heat exchanger, separator, spherical tank, oil and gas tank, high pressure pipeline, water turbine and other equipment and components.
