ASME SA203 boiler steel plate

Gnee® Steel provides you with ASME SA203 A/B/D/E/F full grade boiler steel plates with excellent mechanical properties, weldability and processability. ASME SA203 boiler steel plate is suitable for boilers with pressure less than 20MPa and temperature less than 450°C. Its good cold bending and perforating performance make your boiler more perfect.

ASME SA203 pressure vessel and boiler steel plates are used for pressure vessels, boilers, storage tanks and heat exchangers in oil and gas engineering.

ASME SA203 steel plate has an elongation of not less than 20% and excellent low-temperature impact properties, showing sufficient plasticity and toughness. The welding performance of the steel plate is good, and there are no defects such as cracks after welding. Good processing performance, suitable for secondary processing such as cold bending and drilling.

  • Grade A – Silicon killed steel with minimum tensile strength of 55 ksi (380 MPa)
  • Grade B – Silicon killed steel with minimum tensile strength of 60 ksi (415 MPa)
  • Grade C – Silicon killed steel with minimum tensile strength of 65 ksi (450 MPa)
  • Grade D – Silicon-manganese killed steel with minimum tensile strength of 65 ksi (450 MPa)
  • Grade E – Chromium-molybdenum steel with minimum tensile strength of 70 ksi (485 MPa)
  • Grade F – Chromium-molybdenum-vanadium steel with minimum tensile strength of 80 ksi (550 MPa)
  • Grade G – Modified grade F steel
  • Grade H – Modified grade F steel with boron addition
  • Grade J – High strength steel with minimum tensile strength of 90 ksi (620 MPa)
  • Grade K – High strength steel with minimum tensile strength of 100 ksi (690 MPa)
  • Grade L – High strength steel with minimum tensile strength of 110 ksi (760 MPa)
  • Grade M – High strength steel with minimum tensile strength of 120 ksi (830 MPa)
  • Grade N – High strength steel with minimum tensile strength of 130 ksi (900 MPa)
  • Grade P – High strength steel with minimum tensile strength of 140 ksi (965 MPa)

Thickness: 5 MM – 200 MM

Width: 1220MM – 4200MM

Length: 5000-18000mm

Customize: Available

  • UT (Ultrasonic examination)
  • AR(As Hot Rolled only)
  • TMCP(Thermal Mechanical Control Processing)
  • N(Normalized)
  • Q+T(Quenched and Tempered)
  • Z Direction Test(Z15,Z25,Z35)
  • Charpy V-Notch Impact Test
  • HIC test
  • NDT
  • PWHT( Simulated Post Weld Heat Treatment)
  • NACE0175
  • The Third Party Test (Such as SGS Test)
  • Coated or Shot Blasting and Painting

Available, welcome to consult

A)Packaging Details: Standard export seaworthy packing or as required.
B)Delivery Time:30-50 days, 7 days for stock goods.
C)Loading Port:Shanghai ,Tianjin, Qingdao.
D)Offer Ability:5000MT/Per Month.
E)MOQ:1 Pcs.

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Provide other different forms

Gnee can make ASME SA203 boiler steel into different forms according to customer needs.

Chemical Composition Of Hot Sale ASME SA203 Steel

SA203 Grade A0.170.78-0.880.13-0.450.0350.035
SA203 Grade B0.170.78-0.880.13-0.450.0350.035
SA203 Grade D45025519-20,40,-60
SA203 Grade E48527521-20,40,-60
SA203 Grade F48538020-20,40,-60
GradeTensile Strength(MPa)Yield Strength(MPa)% Elongation in 2 in.(50mm) minImpacting Test  Temperature(°C)
SA203 Grade B45025519-20,40,-60
SA203 Grade B48527521-20,40,-60
SA203 Grade D45025519-20,40,-60
SA203 Grade E48527521-20,40,-60
SA203 Grade F48538020-20,40,-60

Why Choose Gnee ASME SA203 steel

If you want to find a trustable ASME SA203 steel manufacturer, Gnee will be your best choice. 15 years of experience ASME SA203 steel manufacturer, certified by the classification society, CE, ISO, and SGS. And we guarantee the highest safety and quality standards. We fulfill all requirements of reputed classification societies.

In addition, our ASME SA203 steel has been successfully exported to more than 60 countries such as Germany, South Korea, the United States, Mexico, and Argentina. Many regular customers come to visit our company and factory and make multiple orders.


What Services Gnee Provide?

Gnee can provide the following measurement services for ASME SA203 Steel plate:

1. Dimensional measurement: Measure the dimensional parameters such as length, width and thickness by measuring instruments to ensure that the steel plate is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness and surface roughness of the steel plate surface to help ensure that the quality and surface state of the steel plate meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the steel plate to ensure that it meets the design requirements.
4. Material measurement: use material analysis instruments to measure the chemical composition and mechanical properties of the steel plate to ensure that the quality and performance of the steel plate meet the requirements.

Ask Measurement service

Gnee can customize the size and shape of steel plates for your marine project according to your specific project needs. The custom design of the steel plate is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel plate design to meet the specific needs of your offshore engineering.

● According to the load calculation and strength requirements of structural design, adjust the thickness, width and length of shipbuilding steel plates
● The shape of the steel plate can be designed according to the characteristics of the Boiler and pressure vessel manufacturing environments.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

Ask Customized Services

Purchasing Gnee ASME SA203 steel plate can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements of different boiler and pressure vessel engineering.

Cutting service: our steel plates can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel plates into required plates, blocks, special-shaped parts, etc.
Bending and forming: The steel plates are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding services: steel plates can be subjected to various types of welding services, including manual arc welding, gas shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in steel plates by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel plate, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee ASME SA203 steel plate can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that shipbuilding steel plates comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel plate meets the standard requirements.
Mechanical performance test: mechanical performance test includes tensile test, impact test, bending test, etc., which are used to determine whether the mechanical properties such as strength, toughness and ductility of steel plate meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of steel plates to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of steel plates, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of steel plates, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of steel plates, such as cracks, pores, inclusions, etc.

Ask Deep Processing Services
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