Mild Steel Blocks

Mild Steel Block Manufacturer in India offering forged square, rectangular, and flat blocks with strength, machinability, and cost-effectiveness.

Suntech Forge India is a trusted Mild Steel Block Manufacturer in India, offering high-quality forged square, rectangular, and flat blocks with excellent strength, machinability, 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 Block Specification

Width

Max 170″

Cross Section

Up to 54″

Thickness

Min. 7″

Max Weight

40,000 lbs

Tolerance

±0.1 mm

Customization

Available

Product Overview

Mild steel blocks are widely used in construction, machinery, and fabrication industries due to their durability, weldability, and versatility. These blocks are available in standard as well as customized sizes.

Standards

  • ASTM A29 / ASME SA29
  • ASTM A36 / ASME SA36
  • ASTM A106 / ASME SA106

Forging Method

  • Open / Closed Die Forging
  • Hot Forging
  • Cold Forging
  • Drop Forging
  • Impression Die Forging
  • Upset Forging

Our Capability

  • Forging & Sawing
  • Machining
  • Heat Treatment

Value Added Services

  • Normalizing
  • Hardening
  • Heat Treatment
  • Annealing
  • Age Hardening
  • Quenched & Tempering

Surface Finish

  • Forged Black
  • Milled / Machined

Packaging

  • Wooden Brick
  • Protective Paper
  • Wire Rope / Custom

Applications

  • Construction Equipment
  • Machinery Parts
  • Electrical Equipment
  • Transport & Shipping
  • Tool Making

Testing & Quality Assurance

  • Ultrasonic Testing
  • PMI Testing
  • NDT Testing
  • Heat Treatment
  • Material Certification

Benefits of Mild Steel Blocks

  • Good Machinability
  • High Strength
  • Excellent Weldability
  • Versatile Applications

Types of Mild Steel Blocks

  • MS Forged Block
  • MS Square Block
  • EN8 Rectangular Block
  • EN3B Flat Block
  • MS Die Block
  • Open Die Block
  • Closed Die Block
  • Custom Forged Block

Square Block Size Chart

Size (mm) Size (inches) Weight (kg) Weight (lbs)
10 x 10 0.39 x 0.39 0.79 1.74
20 x 20 0.79 x 0.79 3.16 6.96
30 x 30 1.18 x 1.18 7.06 15.58
40 x 40 1.57 x 1.57 12.56 27.69
50 x 50 1.97 x 1.97 19.63 43.27
60 x 60 2.36 x 2.36 28.27 62.33
70 x 70 2.76 x 2.76 38.48 84.94
80 x 80 3.15 x 3.15 50.24 110.78
90 x 90 3.54 x 3.54 63.56 139.27
100 x 100 3.94 x 3.94 78.40 172.04

Tolerance Chart (Rectangular Blocks)

Dimension (mm) Length Tol. Width Tol. Thickness Tol. Flatness
50 x 20 ±2.0 ±0.5 ±0.5 0.5
100 x 50 ±2.0 ±0.5 ±0.5 0.5
150 x 75 ±2.5 ±0.5 ±0.5 0.5
200 x 100 ±3.0 ±1.0 ±0.5 0.5
250 x 125 ±3.0 ±1.0 ±0.5 0.5
300 x 150 ±3.0 ±1.0 ±0.5 0.5
400 x 200 ±4.0 ±1.0 ±0.5 0.5
500 x 250 ±4.0 ±1.0 ±0.5 0.5

Heat Treatment Process

Process Temperature (°C) Description
Annealing 600 – 700 Improves ductility
Normalizing 850 – 950 Enhances strength
Quenching 800 – 900 Increases hardness
Tempering 200 – 600 Improves toughness
Case Hardening 850 – 900 Surface hardening
Stress Relieving 400 – 650 Reduces stress

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

Element EN8 EN3B EN1A
Carbon 0.35–0.45% 0.10–0.20% 0.08–0.13%
Manganese 0.60–0.90% 0.30–0.60% 0.30–0.60%
Sulfur ≤0.035% ≤0.050% ≤0.050%
Silicon ≤0.40% ≤0.30% ≤0.30%
Phosphorus ≤0.035% ≤0.040% ≤0.040%

Mechanical Properties

Property EN8 EN3B EN1A
Tensile Strength 500–700 MPa 300–500 MPa 350–600 MPa
Yield Strength 300–550 MPa 200–350 MPa 250–400 MPa
Elongation 10–15% 20–30% 15–25%
Hardness 170–250 HB 130–180 HB 120–160 HB

Physical Properties

  • Density: 7.85 g/cm³
  • Melting Point: 1420 – 1460°C
  • Thermal Conductivity: ~50 W/m·K
  • Young’s Modulus: ~210 GPa

Export Countries

  • UAE
  • Saudi Arabia
  • Qatar
  • Oman

Price Information

Mild Steel Forged Block Price

For latest price & quotation: sales@suntechforge.com

Ready Stock

  • MS Square Blocks
  • EN8 Forged Blocks
  • Flat Blocks
  • Custom Forged Blocks

Delivery Time

Export to Shipping Time
France 28 Days
Italy 28 Days
Germany 21 Days
UK 30 Days
Belgium 40 Days
Norway 45 Days
Russia 20 Days
Denmark 35 Days
Spain 30 Days
Portugal 45 Days
Ukraine 60 Days