Valid

GB/T 46419-2025Petroleum and natural gas industries - Titanium alloy induction bends (English PDF)

石油天然气工业　钛合金感应加热弯管

Preview PDF

This is a limited preview

Buy now to download the full PDF (28 pages)

Need quotation for your management?

Get a formal quotation for GB/T 46419-2025 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

May 1, 2026

Scope

GB/T 46419-2025 is the English-translated version of 石油天然气工业　钛合金感应加热弯管.

GB/T 46419-2025 is the Chinese standard "Petroleum and natural gas industries - Titanium alloy induction bends". Its scope clause reads: This document specifies the material, manufacturing, and technical requirements for titanium and titanium alloy induction heating bends (hereinafter referred to as "bends") used in the oil and gas industry.

Inspection and testing, acceptance, labeling, packaging, transportation, and storage. This document applies to seamless and welded bends of DN15~DN750 manufactured from titanium and titanium alloy materials for the oil and gas industry.

Found what you need?

Document preview — GB/T 46419-2025

National Standard of the People's Republic of China

ICS: 75.200
Classification: E 16

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Symbols and Abbreviations
4.1 Symbol
4.2 Abbreviations
5.Documents required from the buyer 3.
6.Materials
7 Manufacturing
7.1 Basic Parameters of Pipe Bends
7.2 Pipe Bending Process Qualification
7.3 Manufacturing Process Specifications
7.4 Bending
7.5 Heat treatment after bending
7.6 Post-bending shaping and sizing
8 Technical Requirements
8.1 Material Requirements
8.2 Main pipe requirements
8.3 Appearance Quality
8.4 Surface contamination
8.5 Dimensions and Tolerances
8.6 Pipe end beveling
8.7 Tensile properties
8.8 Charpy (V-notch) impact energy absorption
8.9 Bending performance
8.10 Flattening performance
8.11 Corrosion performance
8.12 Pressure resistance
8.13 Non-destructive testing
9 Inspection and Testing
9.1 General Requirements
9.2 Sampling
9.3 Chemical Composition Analysis
9.4 Appearance Quality Inspection
9.5 Surface contamination inspection
9.6 Dimensional Measurement
9.7 Pipe end bevel
9.8 Tensile test
9.9 Charpy Impact Test
9.10 Bending Test
9.11 Flattening Test
9.12 Corrosion Test
9.13 Hydraulic Test
9.14 Non-destructive testing
9.15 Re-inspection
9.16 Fixed
10 Acceptance
10.1 General Requirements
10.2 Quality Certificate Requirements
10.3 Handling of Non-conforming Products (15)
11 Marking, Packaging, Transport and Storage
11.1 Mark
11.2 Packaging, Transportation and Storage
Appendix A (Informative) Information Required from the Buyer
Appendix B (Normative) Qualification of Pipe Bending Process
Appendix C (Normative) Titanium and Titanium Alloy Welded Pipes
Appendix D (Normative) Corrosion Resistance Test

1 Scope

This document specifies the material, manufacturing, and technical requirements for titanium and titanium alloy induction heating bends (hereinafter referred to as "bends") used in the oil and gas industry.

Inspection and testing, acceptance, labeling, packaging, transportation, and storage.

This document applies to seamless and welded bends of DN15~DN750 manufactured from titanium and titanium alloy materials for the oil and gas industry.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 228.1 Metallic materials - Tensile testing - Part 1.Test method at room temperature

GB/T 229 Metallic materials Charpy impact test method

GB/T 232 Metallic Materials - Bending Test Method

GB/T 241 Hydraulic test method for metal tubes

GB/T 244 Test method for bending of metallic tubes

GB/T 246 Test method for flattening of metallic tubes

GB/T 2651 Destructive testing of welds in metallic materials - Transverse tensile test

GB/T 2653 Test method for bending of welded joints

GB/T 3620.1 Grades and Chemical Compositions of Titanium and Titanium Alloys

GB/T 3620.2 Permissible Deviations in Chemical Composition of Titanium and Titanium Alloy Processed Products

GB/T 3621 Titanium and Titanium Alloy Plates

GB/T 3624 Seamless tubes of titanium and titanium alloys

GB/T 3625 Titanium and titanium alloy tubes for heat exchangers and condensers

GB/T 4157-2017 Laboratory test methods for resistance of metals to sulfide stress cracking and stress corrosion cracking in hydrogen sulfide environments

GB/T 4698 (all parts) Chemical analysis methods for sponge titanium, titanium and titanium alloys

GB/T 5168 Test methods for microstructure of titanium and titanium alloys at high and low magnification

GB/T 5193 Ultrasonic testing methods for titanium and titanium alloy processed products

GB/T 8180 Packaging, marking, transportation and storage of titanium and titanium alloy processed products

GB/T 8650-2015 Evaluation Method for Resistance to Hydrogen-Induced Cracking of Pipeline Steel and Pressure Vessel Steel

GB/T 17897-2016 Corrosion of Metals and Alloys - Test Method for Pitting Corrosion of Stainless Steel with Ferric Chloride

GB/T 18590 Evaluation method for pitting corrosion of metals and alloys

GB/T 23603 Test method for contamination layer on titanium and titanium alloy surfaces

GB/T 25150 Test Method for Quality of Passivation Film on Austenitic Stainless Steel in Chemical Cleaning of Industrial Equipment - Blue Dot Method

GB/T 29168.1 Induction-heated bends, fittings and flanges for pipeline transportation systems in the oil and gas industry - Part 1.Induction heating

Heated bend

GB/T 35509-2017 Application and Evaluation of Corrosion Inhibitors in Oil and Gas Fields

GB/T 39856 Hot-rolled seamless titanium and titanium alloy tubes

SY/T 7774 | GB/T 9711 | SY/T 10025 | GB/T 47444 | GB/T 46543 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 28 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 4698

Editions of GB/T 46419

Edition	Title	Revision	Status
GB/T 46419-2025	Petroleum and natural gas industries - Titanium alloy induction bends	current edition	Current

This page sells the current edition, GB/T 46419-2025. Earlier editions are listed for reference only.

How to Download GB/T 46419-2025

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.