S500MC Hot-rolled Micro-alloyed Steel Plate

Gnee Steel (Tianjin) Co., Ltd. is one of the most professional s500mc hot-rolled micro-alloyed steel plate manufacturers and suppliers in China. Welcome to wholesale customized s500mc hot-rolled micro-alloyed steel plate at competitive price from our factory. Good service and quality products are available.

 

S500MC is a high-strength, hot-rolled structural steel known for its good formability and weldability, primarily used for cold-formed components in applications like automotive chassis, cranes, and structural beams. Its name indicates a minimum yield strength of 500 MPa, a high yield strength, and the "MC" signifies it's produced using a thermomechanical rolling process.

 

Specification of S500MC Steel Plates

Width: 900mm to 1850mm

Thickness: 2.4mm to 16mm

Length: 2000mm to 12000mm

 

 

Element	Composition (%)
Carbon (C)	≤ 0.12
Manganese (Mn)	≤ 1.60
Silicon (Si)	≤ 0.50
Phosphorus (P)	≤ 0.025
Sulfur (S)	≤ 0.015
Aluminum (Al)	≥ 0.015
Niobium (Nb)	≤ 0.09
Vanadium (V)	≤ 0.20
Titanium (Ti)	≤ 0.15

 

Property	Value
Yield Strength (MPa)	≥ 500
Tensile Strength (MPa)	550 - 700
Elongation (%)	≥ 19
Impact Energy at -20°C (J)	≥ 27
Hardness (HV)	160 - 220
Bend Test (r/t)	≤ 2.0

 

The most significant characteristics of S500MC include:

High Yield Strength: Typically around 500 MPa, which allows for thinner sections in structural applications without compromising strength.

Good Weldability: The alloying elements and processing methods ensure that S500MC can be welded without significant preheating, making it versatile for fabrication.

Excellent Formability: The steel can be easily shaped and formed into complex geometries, which is essential for modern manufacturing processes.

 

 

Corrosive Agent	Concentration (%)	Temperature (°C/°F)	Resistance Rating	Notes
Chlorides	3%	25°C/77°F	Fair	Risk of pitting corrosion
Sulfuric Acid	10%	20°C/68°F	Poor	Not recommended for prolonged exposure
Atmospheric Conditions	-	-	Good	Performs well in mild environments

 

S500MC exhibits moderate corrosion resistance, making it suitable for various environments but requiring protective coatings in aggressive conditions. It is susceptible to pitting in chloride-rich environments and may experience corrosion in acidic conditions. Compared to stainless steels, S500MC requires additional surface treatments to enhance its resistance to corrosion.

 

When compared to grades like S355 and S690, S500MC offers a balance between strength and corrosion resistance, making it a preferred choice for structural applications where both properties are critical.

 

 

Property/Limit	Temperature (°C)	Temperature (°F)	Remarks
Max Continuous Service Temp	400 °C	752 °F	Suitable for moderate temperatures
Max Intermittent Service Temp	500 °C	932 °F	Short-term exposure only
Scaling Temperature	600 °C	1112 °F	Begins to lose mechanical properties

 

At elevated temperatures, S500MC maintains its mechanical properties up to about 400 °C, beyond which it may experience a reduction in strength and toughness. Oxidation resistance is adequate, but prolonged exposure to high temperatures can lead to scaling and degradation of the material.

 

 

 

Welding Process	Recommended Filler Metal (AWS Classification)	Typical Shielding Gas/Flux	Notes
MIG	ER70S-6	Argon/CO2 Mix	Good for thin sections
TIG	ER70S-2	Argon	Excellent for precision welding
Stick	E7018	-	Suitable for field repairs

 

S500MC is well-suited for various welding processes, including MIG, TIG, and stick welding. Preheating is generally not required, but post-weld heat treatment may be beneficial to relieve residual stresses. Common defects include cracking and porosity, which can be mitigated through proper welding techniques and filler selection.

 

 

Machining Parameter	[S500MC]	AISI 1212	Notes/Tips
Relative Machinability Index	60%	100%	Moderate machinability
Typical Cutting Speed (Turning)	80 m/min	120 m/min	Use carbide tools for best results

 

S500MC exhibits moderate machinability, requiring careful selection of cutting tools and speeds. Carbide tools are recommended for optimal performance, and coolant should be used to manage heat during machining operations.

 

 

S500MC demonstrates excellent formability, allowing for cold and hot forming processes. The fine-grained microstructure contributes to its ability to be shaped into complex geometries without cracking. The minimum bend radius is typically 1.5 times the material thickness, making it suitable for various fabrication techniques.

 

 

Treatment Process	Temperature Range (°C/°F)	Typical Soaking Time	Cooling Method	Primary Purpose / Expected Result
Annealing	600 - 700 °C / 1112 - 1292 °F	1 - 2 hours	Air Cooling	Improve ductility and reduce hardness
Normalizing	850 - 950 °C / 1562 - 1742 °F	1 - 2 hours	Air Cooling	Refine grain structure and improve toughness
Quenching & Tempering	900 - 950 °C / 1652 - 1742 °F	1 hour	Water or Oil	Increase strength and hardness

 

The metallurgical transformations during these treatments significantly impact the microstructure and properties of S500MC. Annealing improves ductility, while normalizing refines the grain structure, enhancing toughness. Quenching and tempering increase strength and hardness, making the steel suitable for demanding applications.

 

 

S500MC steel plate/sheet is in EN 10149-2 standard, the material number is 1.0984. The equivalent grades of S500MC steel are SEW092 QStE 500TM, NFA36-231 E490D, UNI8890 FeE490TM, ASTM 070XLK.

 

S500MC EN 10149-2 Number:1.0984	Comparision of steel grades
	SEW092	QStE 500TM
	NFA36-231	E490D
	UNI8890	FeE490TM
	ASTM	070XLK
	BS1449	-

 

• Automotive chassis and structural components
• Building and construction frameworks
• Bridge construction and infrastructure projects
• Heavy machinery and equipment manufacturing
• Transportation vehicle structures and trailers
• General engineering and fabrication applications

 

Request A Quote

 

If you want to learn more about GNEE's products, you can send an email to info@gneesteels.com. We are more than happy to assist you.

 

 

Thickness (mm)	Theoretical Weight		Theoretical Weight
	Kg/ft2	Kg/m2	Kg/ft2	Kg/m2
1.0	0.729	7.850	4.740	51.025
0.80	0.583	6.280	4.011	43.175
0.75	0.547	5.888	3.646	39.250
0.90	0.656	7.065	4.376	47.100
1.2	0.875	9.420	5.470	58.875
1.1	0.802	8.635	5.105	54.950
1.4	1.021	10990	6.928	74.575
1.3	0.948	10.205	5.834	62.800
1.7	1.240	13.345	8.751	94.200
1.5	1.094	11.775	7.293	78.500
1.9	1.386	14.915	10.916	117.500
1.6	1.167	12.560	8.387	90.275
1.8	1.313	14.130	10.210	100.900
2.2	1.604	17.270	12.398	133.450
2.0	1.459	15.700	11.669	125.600
2.5	1.823	19.625	13.856	149.150
2.3	1.677	18.055	13.127	141.300
4.0	2.917	31.400	16.044	172.700
3.5	2.553	27.475	15.315	164.850
3.0	2.188	23.550	14.586	157.000
4.5	3.282	35.325	18.232

 

EN 10149-2	S315MC	S355MC	S420MC	S460MC
	S500MC	S550MC	S600MC	S650MC
	S700MC	S900MC	S960MC

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