Strut Services Group, Inc.

Unistrut Alabama

P1377/P4377/P5077/P5577

SKU P1377/P4377/P5077/P5577 Categories , ,
$

P1377, P4377, P5077 & P5577 – 4 Hole U-Shaped Splice

Part No. Use With A Finish Product Weight / Piece (lbs)
P1377 P1000, P1100, P2000 1-9/16″ EG 2.65
P1377 P1000, P1100, P2000 1-9/16″ HG 2.809
P1377 P1000, P1100, P2000 1-9/16″ GR 2.65
P1377 P1000, P1100, P2000 1-9/16″ ZD 2.65
P1377 P1000, P1100, P2000 1-9/16″ SS 2.65
P4377 P3300, P4000, P4100 15/16″ EG 1.76
P4377 P3300, P4000, P4100 15/16″ HG 1.76
P4377 P3300, P4000, P4100 15/16″ GR 1.76
P5077 P5000 3-3/16″ EG 3.8
P5077 P5000 3-3/16″ GR 3.8
P5577 P5500 2-3/8″ EG 2.94
P5577 P5500 2-3/8″ GR 2.94

Standard Dimensions (Unless Shown Otherwise on Drawing):

  • Hole Diameter: 9/16″ (14mm)
  • Hole Spacing (From End): 13/16″ (21mm)
  • Hole Spacing (On-Center): 1 7/8″ (48mm)
  • Width: 1 5/8″ (41mm)
  •  Thickness:
    • 1/4″ (6.4mm) with steel meeting or exceeding ASTM A1011 SS GR 33, or
    • 0.220″ (5.6mm) with steel meeting or exceeding ASTM A1011 HSLAS GR 45

Note:

When used for mechanical supports, load capacities of brackets and fittings should be in compliance with the American Standard Code for Pressure Piping.

Materials & Finishes – Standard:

  • Base Metal: Steel conforms to ASTM A1011 SS GR 33, A1011 HSLAS GR 45, A36, A575, A576, or A635.
  • Electrogalvanized (EG):  Conforms to ASTM B633, Type III SC1
  • Unistrut Defender (DF):  Conforms to ASTM A1059
  • Hot Dip Galvanized (HG):  Conforms to ASTM A123 or A153
  • Perma-Green (GR):  Conforms to commercial standards for powder coating
  • Perma-Gold (ZD):  Conforms to ASTM B633, Type II SC1 or SC3
  • Plain (PL):  No finish

Materials & Finishes – Special Metals:

  • Stainless Steel, Type 304 (SS):  Conforms to ASTM A240 or A276, Type 304 *
  • Stainless Steel, Type 316 (ST):  Conforms to ASTM A240 or A276, Type 316 *
  • Aluminum (AL):  Conforms to ASTM B209, Type 1100F or 5052-H32 *

* These materials have different physical properties and performance characteristics. Please contact us for design support.

 

Design Loads – P1377 (P1001 Splice)
Average Ultimate Load “P”
(lbs)
Average Ultimate Bending Moment
(in-lbs)
Design Bending Moment
(in-lbs)
10,200 61,200 20,400

Notes:

Design Bending Moment only apply to UNISTRUT brand products. Look for “UNISTRUT” on the part.

Design Bending Moment is based on static testing with a Safety Factor = 3.0 to the Average Ultimate Bending Moment.

1/2″ Unistrut Channel Nut and Cap Screw torqued to 50 ft-lbs required for installation.

Design Bending Moment applies only to the P1377 part number and used in pairs, as shown.

 

Design Loads – P1377 (Slot Up)
Average Ultimate Load “P”
(lbs)
Average Ultimate Bending Moment “A”
(in-lbs)
 Average ultimate Bending Moment with 3 SF
(in-lbs)
Design Bending Moment
(in-lbs)
5,700 16,300  5,400 5,080

Notes:

Design Bending Moment only apply to UNISTRUT brand products. Look for “UNISTRUT” on the part.

Design Bending Moment is based on static testing with a Safety Factor = 3.2 and is limited to the P1000 Bending Moment.

1/2″ Unistrut Channel Nut and Cap Screw torqued to 50 ft-lbs required for installation.

Design Bending Moment applies only to the P1377 part number.

 

Design Loads – P1377 (Slot Down)
Average Ultimate Load “P”
(lbs)
Average Ultimate Bending Moment
(in-lbs)
 Average Ultimate Bending Moment with 3 SF
(in-lbs)
Design Bending Moment
(in-lbs)
2,800 21,000  7,000 5,080

Notes:

Design Bending Moment only apply to UNISTRUT brand products. Look for “UNISTRUT” on the part.

Design Bending Moment is based on static testing with a Safety Factor = 4.1 and is limited to the P1000 Bending Moment.

1/2″ Unistrut Channel Nut and Cap Screw torqued to 50 ft-lbs required for installation.

Design Bending Moment applies only to the P1377 part number.

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