Is the 90° Stainless Steel Nipple for Inch Pipe, C765L compatible with AISI 316 tubing and suitable for aggressive chemical environments?

Yes. The 90° Stainless Steel Nipple for Inch Pipe, C765L is manufactured from premium AISI 316 stainless steel and is explicitly described as suitable for chemical processing, petrochemicals, pharmaceuticals, energy, nuclear power and other demanding industries. Its AISI 316 construction provides excellent corrosion resistance and compatibility with aggressive media, and the fitting is engineered for secure, leak‑tight joints and durability under extreme operating conditions. Working pressure depends on tubing OD and wall thickness, so verify those parameters for your specific tubing to ensure performance at the required pressure and temperature, but materially and functionally it is compatible with AISI 316 tubing and suitable for aggressive chemical environments.

Can the 90° Stainless Steel Nipple for Inch Pipe, C765L withstand high-temperature service and meet industry standards for thermal cycling in chemical and petrochemical plants?

The 90° Stainless Steel Nipple for Inch Pipe, C765L (LET-LOK® style) is manufactured from AISI 316 stainless steel and described as intended for demanding chemical, petrochemical and related industries. That composition and the product’s robust, precision-engineered construction provide excellent corrosion resistance, mechanical strength and reliable, leak‑tight joints—attributes that support high‑temperature service and recurrent thermal cycling. However, actual suitability for elevated temperatures and compliance with industry thermal‑cycling standards depend on specific parameters not included in the description: exact alloy heat treatment and trace elements, allowable working temperature, pressure‑temperature ratings for the specific tube OD and wall thickness, joint design limits, and any applicable codes (e.g., ASME, API, NACE). For critical chemical/petrochemical service you should verify manufacturer data sheets, temperature‑rated pressure tables, material certificates, and relevant standard/test compliance for thermal cycling (or request test reports). If those documents confirm AISI 316 performance limits and show compliance with the applicable codes and thermal‑cycle testing for your operating temperature and pressure, the 90° Stainless Steel Nipple for Inch Pipe, C765L is likely suitable; otherwise obtain manufacturer confirmation or select a fitting specified and tested for your exact temperature/thermal‑cycling conditions.

Coupling 90° for an inch tube, steel stainless, C765L

All products, LET-LOK precision connectors/

Additional information

Material	SS – stainless steel

A LET-LOK® 90° fitting for an inch tube Intended mainly for industry chemical, petrochemical, pharmaceutical, power generation, nuclear power plants and process engineering. The permissible pressure working specifies on the basis of diameter outer and wall thickness wall tubes (details in the attachment). Material: steel AISI 316.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HM-LC765L-01-SS	Fitting 90° for a tube 1/16", SS	-	-	In stock	Enquiry
HM-LC765L-02-SS	Fitting 90° for a tube 1/8", SS	-	-	In stock	Enquiry
HM-LC765L-03-SS	Fitting 90° for a tube 3/16", SS	-	-	In stock	Enquiry
HM-LC765L-04-SS	Fitting 90° for a tube 1/4", SS	-	-	In stock	Enquiry
HM-LC765L-05-SS	Fitting 90° for a tube 5/16", SS	-	-	In stock	Enquiry
HM-LC765L-06-SS	Fitting 90° for a tube 3/8", SS	-	-	In stock	Enquiry
HM-LC765L-08-SS	Fitting 90° for a tube 1/2", SS	-	-	In stock	Enquiry
HM-LC765L-10-SS	Fitting 90° for a tube 5/8", SS	-	-	In stock	Enquiry
HM-LC765L-12-SS	Fitting 90° for a tube 3/4", SS	-	-	In stock	Enquiry
HM-LC765L-14-SS	Fitting 90° for a tube 7/8", SS	-	-	In stock	Enquiry
HM-LC765L-16-SS	Fitting 90° for a tube 1", SS	-	-	In stock	Enquiry
HM-LC765L-20-SS	Fitting 90° for a tube 1.1/4", SS	-	-	In stock	Enquiry
HM-LC765L-24-SS	Fitting 90° for a tube 1.1/2", SS	-	-	In stock	Enquiry
HM-LC765L-32-SS	Fitting 90° for a tube 2", SS	-	-	In stock	Enquiry

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A LET-LOK® 90° fitting for an inch tube Intended mainly for industry chemical, petrochemical, pharmaceutical, power generation, nuclear power plants and process engineering. The permissible pressure working specifies on the basis of diameter outer and wall thickness wall tubes (details in the attachment). Material: steel AISI 316.