Is the JIC connection with GZ under carbon steel tube, type AS compatible with standard 37Â° JIC fittings and external threads?

Yes. The JIC connection with GZ under carbon steel tube, type AS Format described as a Straight JIC 37Â° fitting with external thread for tubing, made of carbon steel and galvanized, is compatible with standard 37Â° JIC fittings and external threads. The 37Â° seating angle and external thread form are the defining features of JIC standard fittings; since this part is specified as a JIC 37Â° straight fitting with external thread, it will properly mate with other standard 37Â° JIC female ports or fittings having matching external/internal threads and size. Ensure thread size and type (UN/UNF or specified JIC size), tube OD, and pressure rating match between components, and that the galvanization and material compatibility meet your application requirements.

Can JIC connection with GZ under carbon steel tube, type AS be used with galvanized carbon steel tubing in high-pressure applications?

No. JIC connection with GZ under carbon steel tube, type AS Format specified as "Straight JIC37Â° fitting with external thread, for tubing. Material: carbon steel, galvanized" is intended for use with galvanized carbon steel tubing but is not suitable for highâpressure applications unless the manufacturer explicitly rates that specific assembly for the intended pressure. Galvanizing can reduce thread engagement accuracy, alter seating surfaces and may create uneven hardness or galvanic concerns, which can compromise the metalâtoâmetal JIC 37Â° seal at high pressures. Use fittings and tubing assembled and pressureârated together (or choose fittings/tubing rated for the required working and test pressures) and follow torque, thread compound, and inspection guidelines.

Does JIC connection with GZ under carbon steel tube, type AS resist corrosion when used with galvanized tubing?

No. JIC connection with GZ under carbon steel tube, type AS Format made of carbon steel with galvanized (zinc) plating will not provide long-term corrosion resistance when used with galvanized tubing unless both components have compatible protections and installation practices. Galvanized coatings differ in thickness and quality; mating a galvanized tube to a galvanized-plated carbon steel fitting can create areas where zinc coating is damaged during assembly (threading, seating, or crimping), exposing bare steel and promoting galvanic corrosion or accelerated rust at stressed points. Additionally, differential metallurgical contact, crevice areas at the joint, and moisture or corrosive environments increase the risk. To improve corrosion resistance use one or more of the following: - Ensure both fitting and tubing are fully hot-dip galvanized to the same specification and corrosion class. - Use fittings and tubing made of the same base material and coating or use stainless steel fittings with galvanized tubing. - Apply appropriate sealants or anti-seize compounds compatible with galvanized surfaces to reduce metal-to-metal abrasion and seal crevices. - Use protective covers, thread tape, or corrosion inhibitors and ensure proper assembly torque to minimize coating damage. - Consider alternative corrosion-resistant materials (stainless steel, brass, or polymer-lined options) for aggressive environments. In short, while a galvanized carbon steel JIC AS fitting may work short-term with galvanized tubing, it is not inherently corrosion-resistant as a system without matched coatings, proper assembly, or upgraded materials.

JIC connection with GZ under carbon steel tube, type AS

Additional information

Material	CS – steel (cast iron)

Straight JIC37° fitting with external thread, for tubing. Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HJ-AS-09	JIC fitting GZ 9/16"-18 type AS for 10 mm tube	-	350	In stock	Enquiry
HJ-AS-12	JIC GZ 3/4"-16 type AS fitting for 12 mm pipe	-	350	In stock	Enquiry
HJ-AS-14	JIC fitting GZ 7/8"-14 type AS for 16 mm pipe	-	350	In stock	Enquiry
HJ-AS-14-22	JIC fitting GZ 7/8"-14 type AS for 22 mm pipe	-	350	In stock	Enquiry
HJ-AS-17	JIC fitting GZ 1.1/16"-12 type AS for 20 mm pipe	-	350	In stock	Enquiry
HJ-AS-21	JIC GZ 1.5/16"-12 type AS fitting for 25 mm pipe	-	290	In stock	Enquiry