ASTM A500 - Seamless steel pipe

• Detailed introduction:

• Use: Seamless steel pipe for structural use.

• Steel type: Carbon steel.

• Standard content: This standard applies to steel pipes used in buildings and other structures, mainly pipes produced by cold forming process, suitable for withstanding high-intensity pressure and mechanical loads.

• Main uses:

• Building structures, bridges, steel frames, etc.

• Heavy machinery, industrial equipment.

• Structural support, transportation frame.

• The chemical composition of ASTM A500 steel pipes varies slightly depending on the grade. The main alloying elements include carbon, manganese, phosphorus and sulfur.

• Among them, the carbon content is usually not more than 0.26% (0.26%), the manganese content is not more than 1.35% (1.35%), and the phosphorus and sulfur contents are controlled within 0.035% (0.035%).

• If Type 3 steel pipes are used, a small amount of copper is allowed to be added, not exceeding 0.2% (0.20%), to improve corrosion resistance.

• ASTM A500 standard steel pipes are divided into four grades: Grade A, Grade B, Grade C and Grade D, of which Grade B is the most common.

• Different grades of steel pipes have different strength requirements:

• The minimum yield strength of Grade A is 33 ksi, which is equivalent to about 228 MPa per square millimeter;

• The minimum yield strength of Grade B is 46 ksi, which is about 317 MPa;

• The yield strength of Grade C is increased to 50 ksi, which is about 345 MPa;

• Grade D has the highest minimum yield strength of 58 ksi, which is about 400 MPa.

• In terms of tensile strength, the minimum requirements of Grade B, C, and D are all above 400 MPa, which has good tensile properties.

• End Finish/Coating

  • Black Plain End

  • Galvanized Plain End

  • Threaded and Coupled (Black & Galvanized)

  • Victaulic Grooved

  • Coated and Wrapped

  • Blasted and Primed (O.D. & I.D.)

  • Cement Lined

  • Concrete Coated

  • Fusion Bond Epoxy

  • Pickled and Oiled

  • Zap-Lok

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• Welding Services

• Professional welding ensures structural strength and sealing

• Sandblasting Services

• An efficient surface treatment process that uses high-speed sand flow to remove rust and impurities on the steel pipe surface and improve paint adhesion.

• A key process to evenly cover the surface of steel pipes with anti-corrosion coatings to improve their weather resistance, aesthetics and service life

• Painting services