Q390 Steel Properties, Chemical Composition & Equivalent
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://alloyfyi.com/iframe/entity/q390-steel-properties-chemical-composition-038-equivalent/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://alloyfyi.com/entity/q390-steel-properties-chemical-composition-038-equivalent/Add a dynamic SVG badge to your README or docs.
[](https://alloyfyi.com/entity/q390-steel-properties-chemical-composition-038-equivalent/)Use the native HTML custom element.
Family: Structural Steel
Performance Ratings
Strength
5/10
Corrosion Resistance
3/10
Lightweight
5/10
Machinability
6/10
Cost Efficiency
9/10
Temperature Resistance
7/10
Performance Radar
| Property | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 3 / 10 |
| Lightweight | 5 / 10 |
| Machinability | 6 / 10 |
| Affordability | 9 / 10 |
| Heat Res. | 7 / 10 |
Composition
Mn
1.7%
Other
2.23%
Mechanical Properties
| Hardness (Rockwell) |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| B | – |
| N | 0.015 |
| P | 0.035 |
| S | 0.035 |
| V | 0.13 |
| Cr | 0.30 |
| Cu | 0.40 |
| Mn | 1.70 |
| Mo | 0.10 |
| Nb | 0.05 |
| Ni | 0.50 |
| Si | 0.55 |
| Ti | 0.05 |
| C % | 0.025 |
| Si % | 0.015 |
| Als (≥) | – |
| Quality Level | 0.025 |
Where to Buy Q390 Steel Properties, Chemical Composition & Equivalent
Metal Supermarkets
Small quantity metals
McMaster-Carr
Industrial supply
OnlineMetals
Cut-to-size metals
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
Description
Q390 steel is a Chinese steel grade of Low Alloy High Strength Structural Steel, Yield Strength is 390 MPa, parameters are tested with 16mm diameter steel bars or steel plates, tensile strength is 470-630 Mpa, material density is 7.85 g/cm3. According to GB/T 1591-2018, Q390 has 3 quality levels: Q390B, Q390C, Q390D. The characters and uses of Q390 are similar to Q345 and Q355.
Frequently Asked Questions
What is Q390 Steel Properties, Chemical Composition & Equivalent?
Q390 Steel Properties, Chemical Composition & Equivalent is a structural steel alloy based on steel.
What is the composition of Q390 Steel Properties, Chemical Composition & Equivalent?
Q390 Steel Properties, Chemical Composition & Equivalent contains B (–%), N (0.015%), P (0.035%), S (0.035%), V (0.13%), Cr (0.30%), Cu (0.40%), Mn (1.70%).
What are the applications of Q390 Steel Properties, Chemical Composition & Equivalent?
Q390 Steel Properties, Chemical Composition & Equivalent is commonly used in engine & drivetrain, structural steel, reinforcing bar (rebar), offshore platforms, oil & gas pipelines.