ASTM A514 Steel
High-strength, low-alloy (HSLA) steel primarily used in structural applications where high strength and weldability are essential.
Key Features
- Higher Strength: A514 steel offers higher strength compared to conventional carbon steels like A36 or A572.
- Weldability: Requires careful consideration during welding due to its high strength properties.
- Abrasion-Resistant: Exhibits good resistance to wear and abrasion, making it suitable for demanding applications.
ASTM A572 Steel
High-strength, low-alloy (HSLA) structural steel widely used in construction and engineering projects.
Key Features
- Versatility: A572 steel is versatile and can be used in various structural applications.
- Good Formability: Offers good formability and machinability, allowing for ease of fabrication.
- Moderate Strength: Provides moderate to high strength depending on the grade.
Primary Differences
Strength Levels
- A514: Known for high strength levels, often used in heavy-duty applications requiring exceptional strength characteristics.
- A572: Provides moderate to high strength levels, commonly used in structural applications where a balance of strength and ductility is required.
Weldability
- A514: Requires careful consideration during welding due to its high strength, necessitating specific procedures to avoid issues like hydrogen cracking.
- A572: Offers better weldability compared to A514, with less concern about welding difficulties associated with high-strength steels.
Applications
- A514: Commonly found in industries such as mining, construction equipment, heavy machinery, and military applications due to its exceptional strength properties.
- A572: Widely used in construction of bridges, buildings, and other structures where a balance between strength and ductility is crucial.
Grades
- A514: Available in grades such as Grade B, E, F, H, Q, and S, each offering specific strength and toughness characteristics.
- A572: Grades include A572 Grade 50, 60, 65, and 70, with each grade providing varying levels of strength and mechanical properties.
End-Use Industries
- A514: Used in heavy-duty applications that demand exceptional strength and durability.
- A572: Commonly applied in structural components where both strength and ductility are important considerations.
While both ASTM A514 and A572 steels are categorized as high-strength, low-alloy materials, they serve different purposes based on their specific strength levels, weldability characteristics, and intended applications. Understanding these differences is crucial for selecting the most suitable material for a given project's requirements.
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FAQ
Q: What is ASTM A514 grade B?
A: ASTM A514 Grade B is a quenched and tempered alloy steel plate for structural applications requiring high yield strength combined with good formability and toughness. A514 Grade B has a minimum yield strength of 100 ksi [690 MPa] and may be ordered with supplemental Charpy V-notch impact test requirements.
Q: What is A514 grade equivalent to?
A: Other designations that are equivalent to AISI A514 grade F alloy steel include the following: ASTM A514 (F) ASTM A517 (F)
Q: What is A572 grade steel?
A: A572 Grade 42, 50, 55, 60, 65 Steel Plates - ASTM A572 Steel ...
ASTM A572 steel plate is a popular grade of high-strength low-alloy (HSLA) steel that is typically used in structural applications. A572 steel contains chemical alloys that enhance the material's hardness and ability to bear weight, and this material is lightweight relative to steel grades with similar compositions.
Q: What is A572 GR 50 equivalent to?
A: S355J2
Carbon Steel Grade Equivalents
Q: Is A572 the same as A36?
A: Aside from both being widely-used grades, A572 and A36 differ greatly in their strength, machinability and composition. These differences could influence a buyer's decision on which material to use in their project.
Q: Is A572 steel corrosion resistant?
A: To create A572 carbon steel, iron is combined with trace amounts of carbon, manganese, phosphorus, sulfur, and silicon. The steel becomes stronger, tougher, and more corrosion-resistant after the addition of these alloying components.
| Other steel plate | ||||
| Name | Material | Specification (mm) | Tons | Remark |
| Low Alloy | Q345A, Q345B, Q345C, Q345D, Q345E, Q390, Q420, Q460C, ST52-3, S355J2+N, SS400, SA302GrC, S275NL, 35CrMo | 6 - 350 | 5788.56 | Normalizing, tempered ,controlled rolling, hot rolling , Hot rolling,1st inspection, 2nd inspection, 3rd inspection |
| Pressure Vessel Plate | Q245R, Q345R, Q370R, 16MnDR, 09MnNiDR, 15CrMoR, 14Cr1MoR, 12Cr2Mo1R, SA516Gr60, SA516Gr70, SA516Gr485, SA285, SA387Gr11, SA387Gr12, SA387Gr22, P265,P295,P355GH,Q245R(R-HIC),Q345R(R-HIC) | 3 - 300 | 8650 | Normalizing, tempered ,controlled rolling, hot rolling , Hot rolling,1st inspection, 2nd inspection, 3rd inspection |
| High-Strength Plate | WH785D/E,Q960D/E, Q890D/E,WH60D/E,WH70B,Q550D,Q590D,Q690D/E | 8 - 120 | 3086.352 | Quenched and tempered |
| Wear-Resistant Plate | NM360, NM400, NM450, NM500 | 6 - 150 | 3866.297 | Quenched and tempered |
| Bridge Plate | Q235qC, Q345qC, Q370qC, Q420qC, Q345qDNH, Q370qDNH, A709 - 50F - 2, A709 - 50T - 2 | 8 - 200 | 2853.621 | Hot rolling, normalized ,hot rolling controlled rolling, quenched and tempered + toughness and brittleness |
