Product Introduction

16Mn steel plate is a low-alloy high-strength structural steel widely used in China. It is part of the GB/T 1591-2018 standard (equivalent to the older GB/T 1591-1994 standard) and is known for its excellent mechanical properties, weldability, and durability.

Chemical Composition & Mechanical Properties

Chemical Composition
Carbon (C)	Manganese (Mn)	Phosphorus (P)	Sulfur (S)	Silicon (Si)
0.12%-0.20%	1.20%-1.60%	≤ 0.035%	≤ 0.035%	0.20%-0.55%

Mechanical Properties
Yield Strength (ReH)	Tensile Strength (Rm)	Elongation (A)	Impact Toughness
≥ 345 MPa	490-670 MPa	≥ 21% (for thickness ≤ 16 mm)	Good at low temperatures (tested at -20°C or lower).

Common Sizes of plates

Thickness (mm)	Width (mm)	Length (mm)
1.5 - 6	1000 - 2000	2000 - 12000
6 - 20	1000 - 2500	2000 - 12000
20 - 50	1000 - 2500	2000 - 12000
50 - 200	1000 - 2500	2000 - 12000
The specific size can be customized according to customers' needs.

16Mn Steel Plate Equivalent Grades

Standard	European (EN)	ASTM (USA)	JIS (Japan)	DIN (Germany)	ISO	GB (China)
Equivalent Grade	S355JR (EN 10025-2)	A572 Gr. 50	SM490YA	St52-3	Fe510B (ISO 630)	Q345 (New standard)

Applications of 16Mn Steel Plates

Industry	Applications
Construction	Bridges, building frames, structural components, and infrastructure projects.
Manufacturing	Pressure vessels, boilers, storage tanks, and industrial equipment.
Transportation	Shipbuilding, vehicle frames, rail components, and transportation equipment.
Heavy Machinery	Cranes, mining equipment, engineering machinery, and heavy-duty components.
General Engineering	Structural applications requiring high strength, toughness, and durability.

Advantages of 16Mn Steel Plates

Advantage	Description
High Strength	Provides excellent load-bearing capacity for structural applications.
Good Toughness	Performs well under low-temperature conditions, ensuring reliability.
Weldability	Suitable for various welding methods, making fabrication easier.
Cost-Effective	Offers a balance of performance and affordability for structural projects.
Durability	Resistant to wear and tear, ideal for heavy-duty and long-term applications.

Packaging and Transportation

product-730-565

FAQ

Q: Can you provide the non-standard sizes?

A: We support customized services and can cut or customize production. You only need to send us the steel plate size you need, and we will reply to you with the corresponding quotation.

Q: How do you control quality?

A: Mill Test Certification is supplied with shipment, Third Party inspection is available. and we also get ISO,SGS, CE, BV certifications, etc.

Q: Can you provide sample ?

A: We can provide the small samples in stock for free, as long as you contact us.

Q: What is the delivery time for orders?

A: Sample Order: 1-3 days after receipt of the full payment.
Stock Order: 3-7 days after receipt of the full payment.
OEM Order: 12-21 days after receipt of the deposit.

Q: How can I check the quality of the goods?

A: We will provide you with:
Mill Certificates: Proof of material origin and production batch.
If required, you can arrange independent inspection by agencies like SGS, BV, or TÜV to validate quality.

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