HRC 555 Series Structural Welding Applications
HRC 555 Series Structural Welding Applications Development and Anchorage of Reinforcing Bars For Structural Welding Applications Approvals: ICC-ES ESR-2935 IAPMO UES ER-177 Meets ASTM A970 HRC Performance Made in the USA (800) HRC-6775 (714) 557-1455 www.hrc-usa.com Headed Reinforcement Corp.
HRC 555 Series Structural Welding Applications Why use Welded Headed Bars? Introduction: This document has been prepared to showcase how HRC 555 Headed Bars can be used for welded applications such as shear studs, embed plate anchorage, welded dowels, etc. Background: Replace Standard Hooks For structural, practical, or economical reasons, the HRC 555 Headed Bars are your problem solver. They allow you to simplify rebar details, reduce congestion, improve concrete consolidation, and lower the in-place costs compared to conventional methods. Reduce Congestion Caused by Hooks Maximize Use of Larger Bar Sizes Replacing standard hooks with HRC 555 Headed Bar may allow for using fewer, larger bar sizes. This will reduce the number of welds and improve access for efficiency and quality fabrication. Building Code Compliance According to ACI 318, HRC 555 Headed Bars have the shortest required development length compared to standard hooks or straight bars. HRC 555 Headed Bars are compliant with ACI 318-19 section 25.4.4, ACI 318-14 section 25.4.4, ACI 318-11 section 12.6, and ASTM A970 Class HA requirements. Shorter Development Length Requirements Welding specifications are beyond the scope of this document and are to be determined by others as they depend on material, location, and other requirements. HRC products are designed to meet and exceed the standards referenced in this document, but individual project specifications and quality control requirements still apply. HRC performs tensile testing per ASTM A970 requirements. Tensile tests are conducted daily on finished products as part of HRC quality control. While HRC does provide QA/QC guidance, HRC is not responsible for material furnished by local fabricators and/or contractors using HRC related equipment or components. Aspects of structural design, evaluation of product fitness for use, suitability, or similar attributes are the responsibility of others. Made in the USA
HRC 555 Series Structural Welding Applications #8 T HRC 555 F01 Dimensions of HRC 555 Series Headed Bars * * Head thickness should be no larger than the bar diameter. Quality Control HRC 555 Headed Bars are produced to meet ASTM A970 with consistent quality and tensile testing at HRC. HRC 555 can also be ordered through local approved HRC fabricators who are responsible for their own quality control.
HRC 555 Series Structural Welding Applications Weldable End Configurations HRC 555 Headed Bars are available in a number of end configurations to match your specific welding application - square tip, chisel tip, HRC 500 upset end, and HRC 110 or 120 T-Head. *Weldable Coupler Options Available* HRC 555 HRC 500 UPSET HEAD HRC 110 or 120 HEAD #5-#14 HRC 555 #4-#14 HRC 555 #8-#14 #4-#14 HRC 555 45 CHISEL TIP A SQUARE TIP SAW or SHEAR CUT B For installation parameters and current ICC-ES ESR-2935 approval, please visit www.hrc-usa.com, or contact an HRC represenative.
HRC 555 Series Structural Welding Applications When HRC 555 Headed Bars are welded directly to a steel member (square tip, chisel tip or upset head), A706 Grade 60 reinforcing bars are used. Steel Plate Anchorage Welded Pile Anchorage When HRC 555 Headed Bars are welded to a steel member using an HRC 100 series head, the head (plate) is manufactured using C1018 (ASTM A108) or A572-50 (ASTM A576). Pile Anchorage (w/ head plate) Dowels at Steel Beam/Lintel Headed Reinforcement Corp. 11200 Condor Ave. Fountain Valley, CA 92708 (714) 557-1455 office (714) 557-4460 fax
HRC 555 Series Structural Welding Applications Tension Development Lengths for Uncoated A706/A615 Grade 60 Headed Bars Bar Size f' c 3,000 psi f' c 4,000 psi f' c 5,000 psi f' c 6,000 psi #4 #5 #6 #7 #8 #9 #10 #11 9" 11" 13" 16" 18" 20" 23" 25" 8" 10" 12" 14" 15" 17" 20" 22" 7" 9" 10" 12" 14" 16" 18" 19" 6" 8" 10" 11" 13" 14" 16" 18" (Tension development lengths of headed bars are calculated per ACI 318-14, Section 25.4.4) Headed Reinforcement Corp. 11200 Condor Ave. Fountain Valley, CA 92708 (714) 557-1455 office (714) 557-4460 fax
HRC 555 Series Structural Welding Applications If the design requires an HRC 555 Headed Bar to be welded onto a steel member, but construction operations require a weldable coupler to be installed first and the headed bar to be installed later, there are 2 options to help facilitate this: Option A – The headed bar assembly has a HRC 555 Head on one end and a HRC 500 upset head HRC 500 coupler / HRC 535 weldable coupler welded to structural steel. Installation notes: 1. HRC 535 structural connector will be welded onto a steel member. 2. HRC 555 Headed Bar with HRC 500 coupler will then be threaded into a HRC 535 welded structural connector. Option B – The headed bar assembly has a HRC 555 Head on one end and a HRC 300 thread HRC 300 W threaded weldable half coupler on the other end. Installation notes: 1. HRC 300 W weldable half coupler will be welded onto a steel member. 2. HRC 555 Headed Bar with HRC 300 male thread will then be threaded into a HRC 300 W weldable half coupler. When weldable couplers are welded to a steel member to allow for installation of an HRC 555 Headed Bar at a later time, the couplers are manufactured using C1018 (ASTM A108). **Note: Weldable couplers can be made out of any material that is required by the welding application/specification and properties, like the weld bevel, can be modified to suit the welding application/specification.
High Performance Reinforcement Products 120 150 Custom Epoxy #8 Head 110 170 150 Galvanized 300 400 . 530 550 670 670L Rev. 2/2021 Headed Reinforcement Corp. 11200 Condor Ave. Fountain Valley, CA 92708 (714) 557-1455 office (714) 557-4460 fax 700 Made in the USA 490
1. HRC 535 structural connector will be welded onto a steel member. 2. HRC 555 Headed Bar with HRC 500 coupler will then be threaded into a HRC 535 welded structural connector. Option B - The headed bar assembly has a HRC 555 Head on one end and a HRC 300 thread HRC 300 W threaded weldable half coupler on the other end. Installation notes: 1.
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ASTM F436 HRC 38-45 HRC 38-45 (Coated) HRC 26-45 (HDG) HRC 38-46 HRC 38-45 (Coated) HRC 26-45 (HDG) 1/4 to 1 1/2 1/4 to 2 1/4 to 1 1/2 1/4 to 1 3/8. STRUCTURAL ASSEMBLIES 10 www.unbrako.com NBRAK U O NB U RAK O 3 0 1 R 8.8 RAKO N B U Metric Size M12 to M36 M12 to M36 M12 to M36 M12 to M
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VANADIS 4 EXTRA (PM) (60 - 63 HRC with high toughness) VANADIS 30 (PM) (64 - 66 HRC with high toughness) Hot work tool steel ORVAR 2M (46 - 50 HRC) ORVAR SUP (ESR) (46 - 52 HRC with high thermal resistance) DIEVAR (ESR) (46 - 48 HRC anti-adhesion) Plastic Mould Steels IMPAX SUP (basic hardness 34 HRC)
Class 1 - B8, B8M All Diameters 75 30 30 50 96 HRBc 223 HBC Class 2 - B8 ¾ and under 125 100 12 35 35 HRC 321 HB over ¾ to 1, incl 115 80 15 30 35 HRC 321 HB over 1 to 1¼, incl 105 65 20 35 35 HRC 321 HB over 1¼ to 1½, incla 100 50 28 45 35 HRC 321 HB Class 2 - B8M ¾ and under 110 95 15 45 35 HRC 321 HB over ¾ to 1, incl 100 80 20 45 35 .
6.3 Mechanised/automatic welding 114 6.4 TIG spot and plug welding 115 7 MIG welding 116 7.1 Introduction 116 7.2 Process principles 116 7.3 Welding consumables 130 7.4 Welding procedures and techniques 135 7.5 Mechanised and robotic welding 141 7.6 Mechanised electro-gas welding 143 7.7 MIG spot welding 144 8 Other welding processes 147 8.1 .
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