Mild Steel Shafts

Mild steel shaft manufacturer in India — cost-effective forged shafts, ASTM A36 / EN 10025 S275, custom sizes from Suntech Forge India.

Suntech Forge India is a trusted mild steel shaft manufacturer in India, supplying high-quality forged shafts designed for durability, strength, and cost-effective industrial performance.

Mild steel shafts are widely used in various industries due to their versatility, weldability, and affordability. These shafts are available in customized sizes as per customer drawings.

verified_user Excellent Corrosion Resistance
workspace_premium High Strength & Durability
shield_with_heart Withstands Extreme Conditions
military_tech Long Service Life

Mild Steel Shaft Specification

Top-quality mild steel shafts manufactured with years of experience and unmatched expertise.

OD

Up to 160″

Length

Up to 75 ft

Max Weight

270,000 lbs

Tolerance

±0.5 mm

Custom Sizes

Available

Our Capability

  • Heat treatment
  • Machining & forging
  • Sawing

Standards

  • ASTM A36
  • EN 10025 S275
  • BS 4360
  • JIS G3101

Value Added Services

  • Balancing
  • Heat treatment
  • CNC machining
  • Quenched & tempering
  • Honing / threading
  • Forging / shaping

Forging Method

  • Hot / cold forging
  • Open / closed die forging
  • Upset forging
  • Drop forging
  • Impression die forging

Testing & Quality Assurance

  • Heat treatment
  • Ultrasonic testing
  • PMI testing
  • Liquid penetrant testing
  • NDT testing

Surface Finish

  • Machined
  • Forged black / milled

Packaging

  • Wire rope
  • Protective paper
  • Wooden brick / custom

Applications

  • Pumps & motors
  • Textile industry
  • Automotive
  • Power generators
  • Industrial plants
  • Railroad industry

Advantages of Mild Steel Shafts

  • Cost-effective
  • Sufficient strength
  • Excellent weldability

Size Chart

Diameter (inches) Diameter (mm) Length range (inches) Length range (mm)
0.5 12.70 10–120 254–3048
1.0 25.40 10–120 254–3048
1.5 38.10 10–120 254–3048
2.0 50.80 10–120 254–3048
2.5 63.50 10–120 254–3048
3.0 76.20 10–120 254–3048
3.5 88.90 10–120 254–3048
4.0 101.60 10–120 254–3048
0.75 19.05 10–120 254–3048
1.25 31.75 10–120 254–3048

Weight Chart

Diameter (inches) Length (inches) Weight (lbs) Weight (kg)
1.0 10 2.18 0.99
1.0 20 4.36 1.98
1.5 10 3.28 1.49
1.5 20 6.56 2.97
2.0 10 4.37 1.98
2.0 20 8.74 3.97
2.5 10 5.46 2.47
2.5 20 10.92 4.94
3.0 10 6.55 2.97
3.0 20 13.11 5.94
4.0 10 8.74 3.97
4.0 20 17.48 7.94

Types of Mild Steel Shafts

  • Hollow shaft
  • Rotor shaft
  • TGP shaft
  • Axle shaft
  • Linear shaft
  • Hot forged shaft
  • Flange shaft
  • Machine shaft
  • Step shaft
  • Crank shaft
  • Gear shaft
  • Eccentric shaft

EN8 vs EN3B Shaft

Property EN8 EN3B
Strength Higher Moderate
Hardness Higher Lower
Machinability Moderate Excellent
Weldability Limited Good

Heat Treatment Process

Process Temperature
Annealing 650–700°C
Normalizing 800–900°C
Hardening 850–900°C
Tempering 150–600°C
Carburizing 900–950°C
Stress relieving 550–650°C

Equivalent Standards

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

Chemical Composition

Grade Carbon Manganese Sulfur Phosphorus
EN8 0.36–0.44% 0.60–1.00% ≤0.05% ≤0.05%
EN3B 0.16–0.24% 0.70–1.00% ≤0.05% ≤0.05%
EN1A 0.07–0.15% 0.70–1.00% ≤0.25% ≤0.09%

Mechanical Properties

Grade Yield strength Tensile strength Hardness
EN8 280–350 MPa 550–700 MPa 152–207 HB
EN3B 220–300 MPa 430–510 MPa 116–170 HB
EN1A 210–270 MPa 390–490 MPa 105–140 HB

Physical Properties

  • Density: 7.85 g/cm³
  • Melting point: 1450–1520°C
  • Thermal conductivity: ~50 W/m·K

Export Countries

  • Saudi Arabia
  • Qatar
  • UAE
  • Oman

Price Information

Mild steel shaft price — get the latest price by contacting sales@suntechforge.com.

Ready Stock

  • Stepped shafts
  • Rotor shafts
  • Forged shafts
  • Custom shafts

Delivery Time

Export to Shipping time (days)
UAE 5
Saudi Arabia 7
Qatar 7
Bahrain 9
Kuwait 10
Malaysia 10
Singapore 8
Indonesia 9
Philippines 14
Italy 30
France 30
UK 30
USA 40–60
South Africa 25–30