🔗 ASME B30.26 / RR-C-271 Grade A/B Forged Alloy Shackles (5:1 Safety Factor)

Forged Steel Anchor Bow Shackle Calculator

Size forged alloy steel screw pin and bolt-type anchor bow shackles under ASME B30.26 & Federal Spec RR-C-271: calculate Working Load Limit (WLL in Tons from 1/2" 2-Ton to 2" 35-Ton shackles with 5:1 design safety factor), side-loading angle de-rating reductions (up to 50% capacity reduction at 90° side load), and rigging safety margins.

1. Project & Operating Inputs

Maximum Connection Pick Load (Tons e.g. 18 Tons)

Side-Loading Angle from In-Line (Degrees e.g. 0° Straight In-Line)

Customer Bid Price for Tested Rigging Connection Package ($)

Crosby / CM Forged Shackles, Magnetic Particle Testing & Labor ($)

2. Financial Breakdown & Yield

ASME B30.26 ANCHOR SHACKLES

Turnkey Rigging Hardware Profit

Rigging Equipment Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost