What is Q420 material equivalent to

Nov 19, 2025 Leave a message

What is Q420 material equivalent to?

Equivalent grades include S420 (EN), A572 Grade 65 (US), and SM570 (JIS).

 

What are the properties of Q420 material?

Q420 steel is a Chinese steel grade of Low Alloy High Strength Structural Steel, Yield Strength is 420 MPa, parameters are tested with 16mm diameter steel bars or steel plates, and tensile strength is 520-680 Mpa, the material density is 7.85 g/cm3.

 

What is Chemistry Composition of Q420 steel

C, %

Si, %

Mn, %

Cr, %

Ni, %

S, %

P, %

Cu, %

Mo, %

Nb, %

V, %

Ti, %

0.20 max

0.50 max

1.70 max

0.30 max

0.80 max

0.035 max

0.035 max

0.20 max

0.20 max

0.07 max

0.20 max

0.20 max

 

What is Mechanical Properties of Q420 Pipe

Tensile Strength, MPa

Yield Strength, MPa

Elongation, %

520~680

420 min

18 min