Mild Steel Circles

Trusted mild steel circle manufacturer in India for forged and plate-cut circles.

Mild Steel Circles

Suntech Forge India is a trusted mild steel circle manufacturer in India, offering high-quality forged and plate-cut circles with excellent machinability, strength, and cost-effectiveness.

verified_user Excellent Corrosion Resistance

workspace_premium High Strength & Durability

shield_with_heart Withstands Extreme Conditions

military_tech Long Service Life

Mild Steel Circle Specification

- OD

40 to 3000 mm

- Thickness

1/2 in to 12 in

- Width

3 in to 38 in

- Height

Up to 12 in or custom

- Max Weight

15,000 lbs

- Method

Plate Cutting / Forged

Product Overview

Mild steel circles are widely used in construction, fabrication, and general engineering applications. These circles are available in standard as well as custom sizes.

Standards

ASTM A36
ASME SA36
ISO 630
EN 10025-2
JIS G3101
IS 2062

Forging Method

Open Die Forging
Closed Die Forging
Impression Die Forging
Drop Forging
Upset Forging
Hot and Cold Forging

Our Capability

Heat Treatment
Forging
Machining and Sawing

Value Added Services

Annealing
Heat Treatment
Age Hardening
Hardening / Normalizing
Quenched and Tempering

Surface Finish

Forged Black
Proof Machined

Packaging

Wooden Case
Carton Box
Protective Paper

Applications

Fabrication
Construction
Home Appliances
Decorative
Agricultural

Testing and Quality Assurance

Ultrasonic Testing
PMI Testing
NDT Testing
Liquid Penetrant Testing
Heat Treatment

Benefits of Mild Steel Circles

Cost-Effective
Good Machinability
Versatility

Types of Mild Steel Circles

MS Steel Gear Blanks
MS Flat Face Disc
Mild Steel Raised Face Disc
EN8 Discs
EN1A Circle Plate
EN3B Blanks
Ring Type Joint Disc
Pancake Forgings
Custom MS Discs

Size Chart (EN1A Circle Plate)

Diameter (mm)	Thickness (mm)	Weight (kg)
50	5	0.8
50	10	1.6
75	5	1.8
75	10	3.5
100	5	3.2
100	10	6.3
150	5	7.1
150	10	14.2
200	5	12.5
200	10	25.0
250	5	19.6
250	10	39.3
300	5	28.3
300	10	56.5
350	5	38.6
350	10	77.2
400	5	50.2
400	10	100.5
450	5	63.8
450	10	127.7
500	5	78.5
500	10	157.1

Heat Treatment Process

Process	Temperature	Cooling
Annealing	680-750 C	Furnace
Normalizing	750-900 C	Air
Quenching	750-900 C	Water / Oil
Tempering	150-700 C	Air
Stress Relieving	500-650 C	Air
Case Hardening	850-950 C	Quenching

Hardness Range

Condition	Hardness
As-Forged	120-160 HB
After Heat Treatment	Up to 180 HB

Mild Steel vs Stainless Steel Circles

Property	Mild Steel	Stainless Steel
Corrosion Resistance	Low	High
Strength	Moderate	High
Cost	Lower	Higher
Durability	Moderate	High

Equivalent Standards

Grade	ASTM	JIS	ISO
EN1A	ASTM A106	S10C	ISO 1181
EN8	ASTM A29	S45C	ISO 683-2
EN3B	ASTM A36	SS400	ISO 630

Chemical Composition

Grade	Carbon	Manganese	Silicon	Phosphorus	Sulfur
EN8	0.36-0.44%	0.60-1.10%	0.10-0.35%	<=0.040%	<=0.050%
EN3B	0.18-0.23%	0.60-0.90%	0.10-0.35%	<=0.050%	<=0.050%
EN1A	0.08-0.13%	0.60-1.00%	0.10-0.35%	<=0.050%	<=0.050%

Mechanical Properties

Grade	Yield Strength	Tensile Strength	Elongation	Hardness
EN8	400-600 MPa	600-800 MPa	14-20%	160-190 HB
EN3B	250-450 MPa	440-600 MPa	20-30%	130-160 HB
EN1A	250-450 MPa	400-600 MPa	25-35%	120-150 HB

Physical Properties

Density: 7.85 g/cm3
Melting Point: 1400 to 1530 C
Thermal Conductivity: 45 to 50 W/m.K
Modulus: ~200 GPa

Cutting Methods Used

Laser Cutting
Plasma Cutting
Water Jet Cutting
CNC Punching
Band Saw Cutting
Turning (Lathe)

Export Countries

UAE
Saudi Arabia
Qatar
Oman

Price Information

For latest price and instant quote: sales@suntechforge.com

Ready Stock

MS Gear Blanks
Plate Cut Circles
Forged Discs
Custom Mild Steel Circles

Delivery Time

Export to	Shipping Time
Malaysia	7 Days
Indonesia	7 Days
Thailand	7 Days
Singapore	8 Days
Vietnam	14 Days
Austria	60 Days
Croatia	60 Days
Switzerland	45 to 60 Days
Ireland	60 Days