A387 Gr12 CL1 Alloy Steel for Pressure Vessels A387 Gr12 CL1 Boiler Steel Plates

Description: ASTM A387 Grade 12 Class 1 pressure vessel steel adheres to the ASTM A387/A387M standard, which outlines specifications for chromium-molybdenum alloy steel plates designed for high-temperature and high-pressure environments....

If the standard size steel materials can not meet your demands, We aslo supply ASTM A387 Grade 12 Class 1 Steel for High Pressure processing service. you can find one-stop solution for various customized steel processing requirements: Large vessels, structural parts, semi-products, components, manufacturing supporting ...

Processing Service: Cutting, Welding, Drilling, Rolling, Bending, Forming, Grinding, Stamping and so on machining

E-mail: [email protected]

Whatsapp: +86-18272866905

Chat Online Leave a Message

ASTM A387 Grade 12 Class 1 Steel for High Pressure Description

ASTM A387 Grade 12 Class 1 pressure vessel steel adheres to the ASTM A387/A387M standard, which outlines specifications for chromium-molybdenum alloy steel plates designed for high-temperature and high-pressure environments. A387 Gr.12 CL.1 alloy steel for pressure vessel is distinguished by its exceptional resistance to elevated temperatures and corrosion. The chromium and molybdenum content enhances its strength and durability, making it ideal for prolonged exposure to harsh conditions. Its robust structure maintains integrity under thermal stress, ensuring safety and longevity.

A387 Alloy Steel Gr 12 Class 1 Steel Plate is widely utilized in industries requiring robust materials for pressure vessels, such as petrochemical, oil and gas, and power generation sectors. ASTM A387 Gr 12 Class 1 Steel Plates are commonly used in boilers, heat exchangers, and storage tanks, where they withstand high-pressure and high-temperature conditions effectively.

ASTM A387 Grade 12 Class 1 Steel for High Pressure Datasheet

ASTM A387 Grade 12 Class 1 is a low-alloy steel plate, available in various thicknesses typically ranging from 6 mm to 100 mm. Widths and lengths can be customized, often spanning up to 3,000 mm in width and 12,000 mm in length, catering to diverse fabrication needs.

ASTM A387 Grade 12 Class 1 Steel for High Pressure Chemical composition

The chemical makeup of A387 Grade 12 Class 1 ensures its suitability for pressure vessel applications. The table below details its composition:

Element	Composition (%)
Carbon (C)	0.05–0.17
Manganese (Mn)	0.40–0.65
Phosphorus (P)	≤0.025
Sulfur (S)	≤0.025
Silicon (Si)	0.15–0.40
Chromium (Cr)	0.80–1.15
Molybdenum (Mo)	0.45–0.60

ASTM A387 Grade 12 Class 1 Steel for High Pressure Mechanical Properties

The physical properties of this steel grade contribute to its performance in extreme conditions. Key properties are listed below:

Property	Value
Tensile Strength	380–550 MPa
Yield Strength	≥230 MPa
Elongation (50 mm)	≥22%
Hardness (HB)	≤143–192
Density	7.85 g/cm³

Equivalent Grade of ASTM A387 Grade 12 Class 1 Steel for High Pressure

A387 Grade 12 Class 1 has comparable grades in other standards, offering flexibility in material selection. The table below lists equivalent materials: