ASTM A516 Gr 70N Material|516 70n|a516 70n material

ASTM A516 Gr 70N Material steel plate supplier of gangsteel

 

The ASTM A516 Gr 70N material is a normalized carbon steel plate designed for welded pressure vessels,N is normalized words.offering superior strength and toughness for high-pressure and moderate to low-temperature applications.

As a leading exporter of A516 plate, Gangsteel supplies ASTM A516 Gr 70N plates that meet ASTM A516 and ASME SA 516 standards, ensuring excellent weldability and performance. This comprehensive specification covers dimensional ranges, chemical composition, mechanical properties, equivalent grades, and delivery conditions for A516 Gr 70N steel. Below,

For more details, visit our ASTM A516 Gr 70 steel plate page.

 

1. Dimensional Specification for ASTM A516 Gr 70N Material

 

The A516 Gr 70N plates are available in various sizes to support high-pressure vessel and boiler ASTM A516 applications.

Parameter	Range	Notes
Thickness	6 mm - 250 mm	Available in increments for A516 Gr 70N material, ideal for high-pressure vessels. Thicker plates up to 250 mm suit critical SA 516 Gr 70applications.
Width	1500 mm - 4000 mm	Standard widths from 1500 mm to 2500 mm, with custom widths up to 4000 mm for ASTM A516 Gr 70N fabrications.
Length	3000 mm - 18000 mm	Common lengths up to 12000 mm, with extended lengths up to 18000 mm for specialized A516 Gr 70N steel needs.

Notes:

• Customization: Gangsteel offers tailored sizes for A516 Gr 70 plate to meet project requirements.
• Tolerances: Dimensions comply with ASTM A516 standards, ensuring precision for SA 516 Gr 70N applications.
• Applications: Used in high-pressure storage tanks, heat exchangers, and ASME SA 516 boilers.

 

2. Chemical Composition of ASTM A516 Gr 70N Material

 

The A516 Gr 70N chemical composition is optimized for weldability and high strength in demanding environments.

Grade	Thickness (mm)	C (Max %)	Si (Max %)	Mn (Max %)	P (Max %)	S (Max %)
A516 Gr 70N	≤12.5	0.27	0.15-0.40	0.85-1.20	0.035	0.035
A516 Gr 70N	12.5-50	0.28	0.15-0.40	0.85-1.20	0.035	0.035
A516 Gr 70N	50-100	0.30	0.15-0.40	0.85-1.20	0.035	0.035
A516 Gr 70N	100-200	0.31	0.15-0.40	0.85-1.20	0.035	0.035
A516 Gr 70N	>200	0.31	0.15-0.40	0.85-1.20	0.035	0.035

Carbon Equivalent (Ceq): Ceq = [C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15]%, ensuring A516 Gr 70N material is weldable with minimal cracking risk.

 

 

3. Mechanical Properties of ASTM A516 Gr 70N Material

 

The A516 Gr 70 mechanical properties provide high strength and toughness for critical applications.

Grade	Thickness (mm)	Yield Strength (Min MPa)	Tensile Strength (MPa)	Elongation (Min %)
A516 Gr 70N	6-40	260	485-620	21%
A516 Gr 70N	40-100	260	485-620	17%

 

These properties make ASTM A516 Gr 70N ideal for high-pressure environments. The equal grade ASME SA516 GR 70N,For details, see ASME SA 516 Gr 70.

 

4. Delivery Condition for ASTM A516 Gr 70N Material

 

The A516 Gr 70N material is supplied in a normalized condition to enhance toughness and grain refinement.

Condition	Description	Notes
Normalized	Heat-treated at 900-930°C, followed by controlled cooling	Ensures improved notch toughness and uniformity for A516 Gr 70N steel, ideal for low-temperature and high-pressure SA 516 Gr 70 applications.

Notes:

• Normalization refines the grain structure, enhancing A516 Gr 70N material properties for critical pressure vessel use.
• Gangsteel ensures all A516 Gr 70N plates meet ASTM A516 Gr 70 specification requirements for delivery condition.

 

5. Equivalent Grades for ASTM A516 Gr 70N Material

 

The A516 Gr 70N aligns with international standards for global compatibility.

Standard	Grade	Link
ASME SA516	Gr 70N	ASTM A516 Gr 70
EN 10028-2	P355GH	EN 10028-2 P355GH
BS1501	224-490	BS1501 223GR490B
GB/T 713	Q345R	GB/T 713 Q345R

These equivalents, such as EN 10028-2 P355GH, ensure A516 Gr 70N steel compatibility in international projects.

 

6. Comparison with Other A516 Grades for ASTM A516 Gr 70N Material

 

The table below compares A516 Gr 70N with other ASTM A516 grades to highlight differences.

Grade	Thickness Range (mm)	Width Range (mm)	Length Range (mm)	Yield Strength (Min MPa)	Tensile Strength (MPa)	Applications
A516 Gr 55	6 - 150	1500 - 4000	3000 - 18000	205	380-515	Low-pressure vessels
A516 Gr 60	6 - 200	1500 - 4000	3000 - 18000	220	415-550	Moderate-temperature vessels
A516 Gr 65	6 - 200	1500 - 4000	3000 - 18000	240	450-585	Higher strength applications
A516 Gr 70	6 - 250	1500 - 4000	3000 - 18000	260	485-620	High-pressure vessels

The A516 Gr 70N specification offers superior strength compared to A516 Gr 55 and A516 Gr 60. For lower strength needs, explore ASTM A516 Gr 55.

 

7. Key Features of ASTM A516 Gr 70N Material

 

• Standards Compliance: Meets ASTM A516 and ASME SA 516 requirements for A516 Gr 70N steel.
• Weldability: Controlled carbon content ensures ease of welding for SA 516 Gr 70N applications.
• Notch Toughness: Normalized condition enhances resistance to brittle fracture in low temperatures.
• Applications: Ideal for A516 carbon steel in high-pressure storage tanks, heat exchangers, and boiler ASTM A516 systems.

 

8. Why Choose Gangsteel for ASTM A516 Gr 70N Material?

 

Gangsteel, a global exporter of A516 steel, provides ASTM A516 Gr 70N steel plate with:

• Custom Sizing: Flexible dimensions for SA 516 Gr 70 material to meet project needs.
• Quality Assurance: Plates tested to comply with A516 Gr 70 mechanical properties and dimensional tolerances.
• Global Supply: Reliable export of A516 Gr 70N plate worldwide for ASME SA 516 applications.

For more details or to request a quote, visit our A516 Gr 70 page or explore related grades like SA 516 Gr 60 and SA 516 Gr 65.