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ASTM B348 Titanium Bars
ASTM B348 Titanium Bars – Bild 2

ASTM B348 Titan-Stäbe

ASTM B348 Titanium Bars Specification:

  • Rolling: Diameter from 8.0 to 40 mm × Length (L)
  • Forging: Diameter from 40 to 150 mm × Length (L)

Surface Finishes:

  • Black leather surface
  • Turned surface
  • Polished surface (H11, H9, H8)

Performance for Medical Use:

  • Follows standards from ASTM F67/F136 and GB/T13810.
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Produkt-Einführung

Brands: GR1, GR2, GR3, GR5, GR7, GR12

Standards: ASTM B348, ASTM F136, ASTM F67, AMS4928

Reference Standards:

  1. GB 228: Tensile test method for metals
  2. GB/T 3620.1: Titanium and titanium alloy grades and chemical composition
  3. GB/T 3620.2: Chemical composition and allowable deviation of titanium and titanium alloy products
  4. GB 4698: Sponge titanium and titanium alloy chemical analysis method

Technical Requirements:

  1. The chemical composition of titanium and titanium alloy bars must meet the rules in GB/T 3620.1. If retesting is needed, the allowable deviation must follow GB/T 3620.2.
  2. The diameter or side length of hot-processed bars and their allowable deviations.
  3. The diameter’s allowable deviation for cold-drawn rods after hot processing by turning (grinding) and cold rolling.
  4. The roundness of the bar after hot processing should not exceed half of its dimensional tolerance.
  5. The indefinite length of the processed bar is 300-6000 mm, while the indefinite length of the annealed bar is 300-2000 mm. Fixed or double lengths should be within these ranges, with an allowable deviation of +20 mm. The double length should also be included in the cutting quantity of the rod, with each opening quantity being 5 mm. Fixed or double lengths must be noted in the contract.