1) what is the full form TMT? 2) Please tell me 550D tmt means.

Question

Accepted Answer

TMT stands for Thermo-Mechanical Treatment. 550D TMT refers to a specific grade of TMT steel.

TMT stands for Thermo-Mechanical Treatment, which is a process used to enhance the strength and ductility of steel.
550D TMT is a specific grade of TMT steel that has a yield strength of 550 megapascals (MPa) and is commonly used in construction.
The 'D' in 550D TMT stands for ductility, indicating that it has good ductile properties.
550D TMT steel is known for its high strength, durability, and resistance to corrosion.
Examples of applications for 550D TMT steel include building structures, bridges, and reinforcement bars.

Accepted Answer

Thermo mechanically treated bar

Accepted Answer

1.) Thermo mechanically treated bar

2.) 550D is yield stress in MPa

Accepted Answer

1) Thermo mechanically treated Bar. 
2) 550D means D stand for Ductility, 550 means yield stress 550N/MM2

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