Q235 Q275 Angle Steel
Q235 is a carbon structural steel. Carbon steel is an alloy containing iron and carbon, but the carbon content is less than 2%. There are also usually small amounts of silicon, manganese, sulfur, and phosphorus. Steel containing sulfur and phosphorus with a content of more than 0.35% but less than 0.5% is called "ordinary carbon steel". The sulfur content in high carbon steel and high carbon steel is very low, while the sulfur and phosphorus content in high carbon steel are both below 0.3%.
Q275 is a kind of carbon structural steel in China. The English "Q" means "yield point", which means "yield point", which is also "yield strength". "275" means the unit value of "275", and the tensile strength is between 410 and 540 MPa.
Q235 Q275 Angle Steel Basic Info
| Name | Q235 Q275 Steel Angle Iron |
| Type | Q235 Q275 |
| Size | 25mm*25mm*3mm - 200mm*200mm*25mm |
| Thickness | 3mm - 25mm |
| Length | 6m,9m,12m or other length as your requirements |
| Grade |
Q235,Q355,SS400,S235,S355,ST37,ST52,E250,E350, A36,A572GR50,A992,G350,SM460,SM490,A992 |
| Surface | Surface painted, galvanized |
| Packing | in bundle, packed with steel belts tightly |
| Origin | China |
| Sample | yes |
Q235 angle iron chemical composition and mechanical property
| Chemical Composition (heat analysis), %, ≤ | |||||||
| Steel Grade | Quality Grade | C | Si | Mn | P | S | Deoxidation Method |
| Q235 | Q235A | 0.22 | 0.35 | 1.40 | 0.045 | 0.050 | Rimmed / Killed |
| Q235B | 0.20 | 0.35 | 1.40 | 0.045 | 0.045 | Rimmed / Killed | |
| Q235C | 0.17 | 0.35 | 1.40 | 0.040 | 0.040 | Killed | |
| Q235D | 0.17 | 0.35 | 1.40 | 0.035 | 0.035 | Exceptionally Killed | |
| Yield Strength (MPa, ≥); Thickness or Dia. (d) mm | Tensile Strength (MPa) | ||||||
| Steel Grade | Quality | d≤16 | 16< d ≤40 | 40< d ≤100 | 100< d ≤150 | 150< d ≤200 | d≤100 |
| Q235 | Q235A | 235 | 225 | 215 | 195 | 185 | 370-500 |
| Q235B | |||||||
| Q235C | |||||||
| Q235D | |||||||
q275 structural steel angle chemical composition and mechanical property
| Chemical Composition % | |||||||
| Steel Grade | Quality Grade | C (≤) | Si (≤) | Mn (≤) | P (≤) | S (≤) | Deoxidation |
| Q275 | Q275A | 0.24 | 0.35 | 1.50 | 0.045 | 0.050 | Rimmed / killed |
| Q275B | 0.21 | 0.35 | 1.50 | 0.045 | 0.045 | Killed | |
| Q275C | 0.22 | 0.35 | 1.50 | 0.040 | 0.040 | Killed | |
| Q275D | 0.20 | 0.35 | 1.50 | 0.035 | 0.035 | Exceptionally Killed | |
| Steel Grade | Quality | Yield Strength (≥N/mm2) | Tensile Strength (N/mm2) | Elongation (≥%) | Impact Test (V notch) | ||||||||||
| Thickness or Dia. (d) mm | Thickness or Dia. (d) mm | Temp. ℃ | Absorbed Energy (Vertical, ≥J) | ||||||||||||
| d≤16 | 16< d ≤40 | 40< d ≤60 | 60< d ≤100 | 100< d ≤150 | 150< d ≤200 | d≤40 | 40< d ≤60 | 60< d ≤100 | 100< d ≤150 | 150< d ≤200 | |||||
| Q275 | Q275A | 275 | 265 | 255 | 245 | 225 | 215 | 410-540 | 22 | 21 | 20 | 18 | 17 | – | – |
| Q275B | +20 | 27 | |||||||||||||
| Q275C | 0 | ||||||||||||||
| Q275D | -20 | ||||||||||||||
Products Description
Equal and unequal edges are the two main types of Q235 Q275 Angle Steel. Angles are bent using a single flat steel profile. It is generally formed at an angle of 90 degrees and both legs are of the same size. The following is a detailed description of the different types of angles:
Equal angles
Equal angles have two axes of the same length, hence the name. They are the most common type of angle. They can be manufactured to various specifications and can be cut to any size. Hence they are very versatile. Their dimensions are expressed as A side x B side x thickness.
Unequal Angles
Unequal angles are also right-angled sections, but they have a different axis dimension and are L-shaped. This section has a higher strength (up to 20%) and a higher strength-to-weight ratio. The dimensions are expressed as A-side x B-side x thickness.
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