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Durelloy Threaded Bar

Durelloy Threaded Bar is a precision rolled thread onto a heat treated alloy conforming to ASTM A 193-B-7 specifications. Durelloy Threaded Bar is delivered in a Brinell hardness of 280–300 for greater thread strength and wear resistance. The rolled threads guarantee strength and perfect fit for shock-resistant applications subject to high pressure, high temperatures, and repetitive tortional stresses.

Features And Advantages

  • Immediate usage, no machining required
  • High tensile strength
  • Precision rolled threads
  • Heat treated to assure long, useful life
  • All bars stocked in 12-foot lengths
  • Conforms to ASTM specifications
  • Eliminates multiple stocking

Applications

  • Studs
  • Anchor bolts
  • High compression bolts
  • Adjustment bolts
  • Pressure vessels
  • Stud pullers
  • Machine anchors
  • Positioning rods

Types

  • Unified Course
  • SAE National Fine
  • Unified 8 Thread
  • Metric
  • Acme
  • Left Hand
  • ASTM A320 L7

Typical Mechanical Properties

Durelloy B-7 Durelloy B-16 Dura-Krome Stainless
Tensile strength psi minimum 150,000 166,000 100,000
Yield point psi minimum 132,000 150,000 40,000
Elongation in 2″ 17% 18% 55%
Reduction of area 50% 55% 60%
Rockwell C hardness 28/30 26/34 20

Available Sizes For Immediate Shipment

Stock Sizes / Class 2 Fit (B-7) Stock Sizes / Class 2 Fit (8-16)
Dia. USS (Std.) Th/In. SAE (Fine) Th/In. 8Thd. Dia. USS (Std.) Th/In. SAE (Fine) Th/In. 8Thd. Dia. USS (Std.) Th/In. SAE (Fine) Th/In. Dia. USS (Std.) Th/In. SAE (Fine) Th/In. 8Thd.
1/4 20 28 1-1/4 7 12 8 1/4 20 28 1 8 14 8
5/16 18 24 1-3/8 6 12 8 5/16 18 24 1-1/8 7 12 8
3/8 16 24 1-1/2 6 12 8 3/8 16 24 1-1/4 7 12 8
7/16 14 20 1-5/8 5-1/2 12 8 7/16 14 20 1-3/8 6 12 8
1/2 13 20 1-3/4 5 12 8 1/2 13 20 1-1/2 6 12 8
9/16 12 18 1-7/8 5 12 8 5/8 11 18
5/8 11 18 2 4-1/2 12 8 3/4 10 16
3/4 10 16 2-1/4 4-1/2 8 7/8 9 14
7/8 9 14 2-1/2 4 8
1 8 14 8 2-3/4 4 8
1-1/8 7 12 8 3 4 8

Lengths: 12′ R/L. Over 3” thru 7” by special order.

Ameralloy Steel Corporation is a prime supplier of speciality steel bar products and wear-resistant high-impact steel plate. Our full catalogue features speciality steels and standard AISI alloys to meet your demanding applications.

Ameralloy’s precision-forged speciality steels and standard alloys are shipped worldwide with reliable on-time service.

Ameralloy provides engineering services for your steel products. From forging to machining and finishing, our Chicago based steel service centre will manufacture, ship, and deliver your order with unrivalled quality and service

Contact

Tap or Call: +1 (800) 237-0113

Email Project Specification: sales@ameralloy.com