According ASME SA-203/SA-203M-2023
Boiler vessel steel
7-day express delivery
Minimum order quantity of 1 ton
Precision machining provided by our own factory
Supporting multiple payment methods: CIF CFR FOB EX-WORK
Multi-port delivery at Shanghai, Ningbo, and Guangzhou
Supporting sample services
Alloword company specializes in the production of high quality Boiler container plates.The Boiler container plates which are produced by Alloword are approved by international standards.We can meet the needs of customers with professional technology and equipment.Boiler container plates are widely used in petroleum, chemical industry, power station, boiler and other industries.
Steel grades included in the standard
| Steel grade designation | Name | THICKNESS from _ to in mm | WIDTH from _ to in mm |
|---|---|---|---|
| SA203 Grade A | Boiler vessel steel | 6.0-120.0 | 600-3800 |
NOTE: Not all thickness and width combinations are possible.
Chemical composition of symbol standards
| Steel grade | C [%] | Si [%] | Mn [%] | P [%] | S [%] | Cr [%] | Ni [%] | Cu [%] | Mo[%] | Ti[%] |
|---|---|---|---|---|---|---|---|---|---|---|
| SA203 Grade A | ≤0.23 | 0.15~0.4 | ≤0.8 | ≤0.025 | ≤0.025 | — | 2.1~2.5 | — | — | — |
NOTE: Mass fraction in ladle analysis.
Boiler container plate is used to manufacture a variety of boilers and important accessories, because the boiler plate in the middle temperature (350°C below) under high pressure working, in addition to withstand high pressure, but also by impact, fatigue load and water and gas corrosion, require to ensure a certain strength, but also have good welding and cold bending performance. It is the most widely used and the largest amount of pressure vessel special steel plate.
Application field
Delivery information
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Contact and Support
Kevin Chou
Steel Business Manager
5F, Building 7, No. 7 Youyi Road,
Baoshan District,
Shanghai, China.
Baoshan District,
Shanghai, China.
t/f: +86 (0)21 56162819
m: +86 131 6213 1598