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Thermex Properties

Nominal
Size* (mm)

Nominal
Section
Wt. (Kg/M)
Section
Weight
(range) (Kg/M)
8 0.395 (0.367 – 0.423)
10 0.617 (0.574 – 0.660)
12 0.888 (0.844 – 0.932)
16 1.58 (1.501 – 1.659)
20 2.47 (2.396 – 2.544)
25 3.85 (3.734 – 3.966)
28 4.83 (4.685 – 4.975)
32 6.31 (6.121 – 6.499)

know more about thermex grades


Chemical Composition

Thermex bars, unlike CTD bars, have a proven record resisting loss of strength at high temperatures as experienced during fires..

Bend Properties

Easily satisfy International Standards. In India Bend 8 Rebend Tests are mainly carried out as per Indian 1786 8 British 4449 standards. BHAGWATI THERMEX bars meet all such requirements.

Test IS 1786 Fe 415 Bhagwati TMX - 400 BS 4449 Gr.460 Bhagwati TMX - 450 IS 1786 Fe 500 Bhagwati TMX - 500
Bend 3d (4d for>22 dia) 2d 3d 2d 4d (5d for>22dia) 3d
Rebend 5d (7d for>10 dia) 4d 5d 4d 5d (7d for>10dia 5d

Weldability

Bhagwati Thermex bars are produced with C less than 0.25% an are suitable for all the main welding processes without any special precautions. No pre-heating or post-heating is necessary. No loss of strength at weld- joints.

Strain Ageing

Ageing resistant due to the manufacturing process and chemica composition.

Fatigue

Approved internationally for dynamically stressed structural sections.

Properties at High Temperatures

Thermex bars, unlike CTD bars, have a proven record resisting loss of strength at high temperatures as experienced during fires.

Corrosion Resistance

More corrosion resistant than CTD bars. Cold working involved in CTD bars leads to surface stresses and consequent higher rate of corrosion - and, the protective scale layer falls off during twisting The Thermex process basically inhibits rate of scale formation and no cold working is involved.

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