ASME SA 612
ASME SA 612 material is often considered alongside other ASME and EN pressure vessel steel plates, such as SA 516 and P265GH.ASTM A612 pressure vessel steel plate is carbon-manganese-silicon steel intended for use in welded pressurevessels for moderate and low temperature service.
ASME SA 612 pressure vessel plate is designed to offer higher yield strength than conventional carbon steel plates. This higher strength allows designers to reduce plate thickness while maintaining structural integrity. Compared with ASME SA 516 Grade 60 or Grade 65, ASME SA 612 provides improved yield strength, making it particularly attractive for vessels where weight reduction or space constraints are critical.
From a chemical composition standpoint, ASME SA 612 contains higher silicon content than SA 516. Silicon acts as a strengthening element and improves steel deoxidation during manufacturing. This results in cleaner steel with enhanced mechanical stability. While SA 516 is well-known for excellent toughness at lower temperatures, ASME SA 612 focuses more on strength performance for medium-temperature pressure vessel service.
Techanical Details
Heat Treatment: Normalized, Quenched, Tempered, HIC, Impact Test,..( Optional if not provided in rules)
Chemical Composition( %):
|
Grade/ Material |
Element |
Composition( Max-A, Min-I) |
|
ASME SA612 |
C |
0.25 |
|
Mn |
1.00-1.50 |
|
|
Si |
0.15-0.50 |
|
|
P |
0.035 |
|
|
S |
0.025 |
Mechanical Properties( Mpa)
|
Grade/ Material |
Tensile Test |
Ksi/MPa |
|||||||||||||||||||||||||
|
ASME SA612 |
Tensile Strength |
83-105/570-725 |
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|
Yield Strength |
I:50/345 |
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|
Elongation |
16% |
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|
Impact Test( if any) |
Techanical Details: Heat Treatment: Normalized, Quenched, Tempered, HIC, Impact Test,..( Optional if not provided in rules) Chemical Composition( %):
Mechanical Properties( Mpa)
|
Comparison of ASME SA 612 and ASME SA 516 Gr.70
| Item | ASME SA 612 | ASME SA 516 Gr.70 |
|---|---|---|
| Yield Strength | ≥ 260 MPa | ≥ 260 MPa |
| Tensile Strength | 450 – 585 MPa | 485 – 620 MPa |
| Silicon Content | Higher | Lower |
| Typical Use | Medium-pressure vessels | Boilers and pressure vessels |
| Strength Focus | Higher yield | Balanced strength & toughness |
In forming and fabrication processes, ASME SA 612 demonstrates good cold and hot forming performance. Its elongation properties support rolling and bending without excessive risk of cracking. Welding performance is another critical factor. With controlled carbon content, ASME SA 612 pressure vessel steel plate is compatible with common welding methods such as SMAW, SAW, and GTAW when appropriate preheating and post-weld heat treatment are applied according to code requirements.
In international projects, ASME SA 612 is often selected for pressure vessels that operate at steady loads rather than extreme low temperatures. For applications requiring exceptional low-temperature toughness, grades like SA 516 or EN P355NL may be more suitable. However, for general pressure vessel service where strength and code compliance are prioritized, ASME SA 612 offers a balanced and economical solution.
Hot rolling
From a supply chain perspective, reliable sourcing is just as important as technical suitability. Consistent thickness tolerance, flatness, and surface quality directly affect fabrication efficiency. Experienced manufacturers can deliver ASME SA 612 hot rolled steel plates with stable quality across large orders, which is critical for overseas projects with tight schedules.
GNEE STEEL specializes in supplying pressure vessel steel plates for global markets. Beyond ASME SA 612 material, GNEE STEEL offers ASME SA 516 series, ASME SA 387 alloy steel plates, EN 10028 pressure vessel steels, and ASTM carbon steel plates in various thicknesses and dimensions. With professional export packaging, third-party inspection support, and long-term cooperation with international clients, GNEE STEEL continues to build trust as a dependable pressure vessel steel supplier.
Factory Showcase
FAQ:
1. What surface conditions are available for hot rolled steel plates?
Common surface conditions include:
- As-rolled (with mill scale)
- Pickled and oiled (P&O)
- Shot blasted and painted (primer coated)
Different surface treatments help improve corrosion resistance or prepare the steel for further processing.
2. What are hot rolled steel plates mainly used for?
Hot rolled steel plates are widely used in:
- Building and steel structures
- Bridges and infrastructure projects
- Pressure vessels and boilers
- Machinery manufacturing
- Shipbuilding and offshore structures
- Storage tanks and pipelines
3. Can hot rolled steel plates be used for pressure vessels?
Yes, specific grades such as ASTM A516, EN 10028 P275 / P355, and similar pressure vessel steels are designed for high-temperature and pressure applications and are commonly used in boilers, pressure vessels, and storage tanks.
4. What is the minimum order quantity (MOQ) for hot rolled steel plates?
MOQ depends on the steel grade, size, and production schedule. In many cases, one plate, one bundle, or one heat can be negotiated, especially for standard grades and sizes.
