EN3B

EN3B Grade Introduction:

EN3B, also known as 070m20, is available from stock in rounds, flats, squares, and hexagons. EN3B is a mild steel suitable for general engineering use and offers good machining and welding characteristics. Used in low-stress engineering applications, can be case hardened. AISI 1020

  • Material available ex stock, delivered nationwide next day.
  • En3B mild steel can be cut, drilled, or fabricated to your requirements.

EN3B Grade Application:

  • Shafts & rollers
  • Machinery parts
  • Threaded bars
  • Spindles & axles
  • Low stress engineering applications

EN3B Equivalent Grades:

Standard BS 970: 1991 BS 970: 1955 AISI/SAE Werkstoff
Grade 070M20 EN3B 1020 1.0402

EN3B Chemical Composition:

Element C Si Mn Ni Cr Mo S P
Content (%) 0.25 Max 0.35 Max 1.0 Max – – – 0.06 Max 0.06 Max

Mechanical Properties:

Condition Tensile Strength (MPa min.) Yield Strength (MPa min.) Elongation (%)
Cold Drawn 560 440 10
Turned & Polished 430 215 21

Physical Properties:

Thermal Properties:

Forging Properties:

Stress Relieving:

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