the yield strength of Q345B is 345MPa for thicknesses <= 16 mm. 325MPa for 16 mm < thickness <= 35 mm. 295MPa for 35 mm < thickness <= 50 mm. 275MPa for 50 mm < thickness <= 100 mm.
HV = 2.9 * Y Where HV - Vickers hardness Y - Yiekd stress in KG/mm2
Low carbon steels suffer from yield-point runout where the material has two yield points. The first yield point (or upper yield point) is higher than the second and the yield drops dramatically after the upper yield point. If a low carbon steel is only stressed to some point between the upper and lower yield point then the surface may develop Lüder bands.
70 stands for 70,000 lbs tensile strength in the "as welded condition" - untreated, 1 means it can be used in any position (flat, vertical, horizontal, overhead) 18 tells you it can be used with AC or DC Reverse Polarity. It also tells you what the base compound is in the coating. It is not recommended to be used vertical downhand.
no
ASTM 1011 comes in many grades which determine the yield strength ie:1011 gr 42 would have a min yield of 42,000 psi
The breaking strength is always greater than the yield strength.
Yield strength is a form of tensile strength, as yield strength is maximum strength upto which a material retains its original shape or it is in elastisity above which it will in plasticity.
Yield strength - 13.8 MPa Ultimate tensile strength - 31 MPa
what is characteristic yield strength
YIELD STRENGTH 242 N/sqmm TENSILE STRENGTH 440~520 N/sqmm
Yes it is the same. Offset Yield strength = 0.2% Proof Stress
Tensile yield point or yield strength
The yield strength in this case is equal to the ultimate tensile strength, which is about 0.9-3 MPa without any reinforcement.
The yield strength is reached when the material becomes non - linear ( that is non elastic) and takes a permanent set when load is released. Material stretches but does not break. Ultimate strength is when it breaks and is higher than yield strength.
yield is the breaking point and tensile strength is what it is rated at per square inch
Yield strength - 13.8 MPa Ultimate tensile strength - 31 MPa