Is the 45Â° crimped end with GZ and nut, type MAG, carbon steel suitable for PTFE brake hoses and resistant to corrosion after chrome plating?

Yes. The 45Â° crimped end with GZ and nut, type MAG, carbon steel is suitable for use with PTFE brake hoses and.when properly chrome-plated.provides good corrosion resistance for typical automotive applications. Points to note: - Compatibility: PTFE (Teflon) inner liner is chemically inert and compatible with carbon steel fittings; the 45Â° MAG crimp profile and external thread plus nut are a common, appropriate termination for PTFE brake hose assemblies when crimped to the hose specifications. - Mechanical integrity: Proper crimping to the hose manufacturerâs recommended die, pressure rating, and process is essential to ensure leak-free, high-pressure performance. Incorrect crimping or mismatched dimensions can compromise the assembly. - Corrosion resistance: Chrome plating on carbon steel gives a decorative, wear- and corrosion-resistant layer suitable for typical road and under-hood environments. However, chrome plating is not as corrosion-resistant as stainless steel or more robust coatings; in highly corrosive environments (constant exposure to salt spray, de-icing salts, marine atmospheres), additional surface protection or stainless-steel fittings are recommended. - Best practice: Verify the crimp dimensions, pressure ratings, and hose/fitting compatibility with the hose OEM, ensure plating thickness and quality meet industry standards, and consider environmental exposure when assessing long-term corrosion resistance. Conclusion: Suitable for PTFE brake hoses and corrosion-resistant after chrome plating for normal automotive use, provided correct crimping and appropriate plating quality; for severe-corrosion environments, consider stainless alternatives.

Does the 45Â° crimped end with GZ and nut, type MAG, carbon steel meet SAE or ISO standards for PTFE brake hose assemblies?

No - the 45Â° crimped end with GZ and nut, type MAG, carbon steel does not by itself confirm compliance with SAE or ISO standards for PTFE brake hose assemblies. The description (45Â° crimped end with external thread and nut, MAG type, carbon steel, chrome-plated) names geometry and material but omits required certification details (specific SAE/ISO standard numbers, test results, manufacturing process controls, batch traceability and pressure/temperature/durability test data). Compliance must be demonstrated by documentation showing the component and the assembled hose meet the relevant standards (e.g., SAE J1401/J516 or ISO 7638/EN equivalents as applicable). Without such certificates or test reports, you cannot assume conformity.

Can the 45Â° crimped end with GZ and nut, type MAG, carbon steel be used with DOT-spec PTFE brake hoses?

Yes. the 45Â° crimped end with GZ and nut, type MAG, carbon steel can be used with DOT-spec PTFE brake hoses, provided the following conditions are met: - Compatibility: The fitting is described specifically for PTFE brake hoses (MAG type, external thread and nut), so it is intended for that hose construction. Ensure the hose end design and internal liner dimensions match the MAG fitting profile. - Material and plating: Carbon steel, chrome-plated fittings are commonly used in brake systems and provide the strength and corrosion resistance required for DOT applications when properly plated. - DOT specification: Verify the assembled hose (hose + crimped fitting) meets the applicable DOT standard (FMVSS 106 / SAE J1401 or country equivalent). The fitting itself must be used with a DOT-approved PTFE hose and crimping process and tools specified by the hose manufacturer. - Crimping process: Use the manufacturerâs approved crimping dies, press settings, and qualified crimping equipment. Proper swaging is essential to maintain pressure rating and leak-free performance. - Thread and seal: The GZ (external thread) and nut must match the mating component (thread size, pitch, seat type) and use correct sealing method (metal-to-metal seat, copper washer, or specified sealant) as required. - Pressure and temperature ratings: Confirm the assembled hose assembly rating meets the systemâs maximum working and burst pressures and operating temperature range. - Inspection and testing: Perform post-assembly inspection (visual, dimensional) and pressure testing as required by DOT/hose manufacturer to certify the assembly. If all the above are satisfied. correct hose/fitting match, DOT-approved hose, manufacturerâs crimp procedure, and required testing. the 45Â° crimped end with GZ and nut, type MAG, carbon steel is suitable for use with DOT-spec PTFE brake hoses.

45° crimped end with GZ and nut, type MAG, carbon steel

All products, Brake hoses and fittings/

Additional information

Material	CS – steel (cast iron)

45° crimped end with external thread and nut, MAG type, for PTFE brake hoses. Material: carbon steel, chrome-plated.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RK-MAG45P-0N	End 45° with nut GZ M10x1.25, chrome-plated steel	3	-	In stock	Enquiry
RK-MAG45P-1N	End 45° with nut GZ M10x1, chrome-plated steel	3	-	In stock	Enquiry
RK-MAG45P-2N	End 45° with nut GZ 3/8"-24, chrome-plated steel	3	-	In stock	Enquiry