Q275 SS490 Angle Steel

Q275 steel is a Chinese carbon structural steel, "Q" is the first letter of Chinese spelling of "qu fu dian", the translation is "Yield Point" or "Yield Strength", "275" is short for the unit value "275 MPa", and the tensile strength is 410-540 MPa (N/mm2), all data are tested with 16mm diameter steel bars or 16mm thickness steel plates.

The latest executive standard of Q275 steel is GB/T 700-2006, and chemical composition and physical properties are equivalent to JIS standard SS490, ISO standard E275A, no equivalent to ASTM standard.

Equivalent materials to JIS G 3101's designated grade are essential to understand when considering alternatives or substitutes in various manufacturing and engineering applications. Material comparisons reveal that grades such as ASTM A36, ASTM A283 Grade D, EN S275JO, ISO E275B, DIN 1.0044, and UNS K02401 can be considered equivalent grades to SS490 steel.

Cross reference materials become crucial in situations where the original material is not available or does not meet the specific requirements of the application. In the case of SS490, one might consider ASTM A572 Grade 50 as an alternative option. This grade offers higher strength and is commonly used in applications requiring additional durability.

Also known as L-Bracket or Angle Iron, an Angle Bar is a 90° metal bracket used more commonly in roof trusses. Angle Bars can also provide reliable stability and resistance to corrosion on support beams and structural platforms.

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