Generic selectors
Exact matches only
Search in title
Search in content
Search in posts
Search in pages
Color Code:
RED WITH YELLOW STRIPE

Ultra-High Hardness TGP

Durelloy “Special 37” TGP is produced from Durelloy hot roll heat treat 38-42 Rc bars, then precision turned, ground, and flawlessly polished to exacting sizes. “Special 37” TGP is designed for extreme wear-resistance applications.

Durelloy “Special 37” TGP increases the tensile strength to 186,000/196,000 and the yield to 178,000/176,500.

All shipments are specially oiled, wrapped or tubed, and delivered in perfect condition. All bars are inspected prior to shipping for straightness and tolerances.

Applications

  • Arbors
  • Gear shafts
  • Journals
  • Line shafts
  • Drive shafts
  • Motor shafts
  • Crank shafts
  • Armature
  • Cement mill shafts
  • Mining equipment
  • Generator shafts
  • Pinions
  • Piston rods
  • Push rods
  • Spindles
  • Tie rods

Features And Advantages

  • Pre-hardened, heat treated, stress relieved
  • Machine straightened to minimize distortion and run-out
  • Fine grain microstructure
  • Free machining (75% machinability rating)
  • Work hardening capabilities
  • Fatigue resistant
  • High shear strength, abrasion resistant
  • Precision controlled analysis
  • Excellent temperature tensile properties up to 1100°F

Standard Tolerances

  • Standard finish of 8 micro-inches
  • 3/8–6” (9.5–152 mm) dia: +.000” to -.002

Durelloy-TGP “Special 37” Sizes

  • 3/8
  • 7/16
  • 1/2
  • 9/16
  • 5/8
  • 3/4
  • 13/16
  • 7/8
  • 15/16
  • 1
  • 1-1/16
  • 1-1/8
  • 1-1/4
  • 1-3/8
  • 1-1/2
  • 1-5/8
  • 1-3/4
  • 2
  • 2-1/8
  • 2-1/4
  • 2-1/2
  • 2-5/8
  • 3
  • 3-1/2
  • 6

Lengths: 6’ R/L in 3/8–9/16” diameter; 12’ R/L in 5/8”–6”.