What is API in welding?
For those interested in a career within the welding industry, an American Petroleum Institute (API) welding certification can be a valuable addition to welding training and experience.
What is the meaning of API 1104 in welding?
The new edition of API Std 1104, provides requirements for gas and arc welding used in the construction and in-service repair of pipes and components for the compression, pumping and pipeline transmission of crude oil, petroleum products, fuel gases, carbon dioxide and nitrogen.
What are the steps in weld repair?
When it comes to fixing broken steel in the field, there are three steps to master: * Cutting and removal of the failed component. * Preparation of the new joint/part. * Welding and cleanup.
What test is required by API 1104?
if they are asking for the API 1104 multiple qualification test. the test consists of a 12″ butt weld, which will be destructively tested, six coupons, 2 nick breaks, 2 root bends and 2 tensiles, but nick breaks can be subatituted for the tensiles.
What is ASTM and API?
API – American Petroleum Institute. ASME – American Society of Mechanical Engineers. ASM – American Society of Metals. ASNT – American Society for Nondestructive Testing. ASTM – American Society for Testing and Materials.
What is the difference between ASME and API?
Mechanical Engineer. We often get asked this simple question: “What is the difference between an ASME and API code? Well, ASME is actually a construction codes that cover design, fabrication and new construction issues but after they are put in service API codes governs the continued operation, inspection and repairs.
What is the difference between API 1104 and ASME B31 3?
API 1104 is a standard for the qualification of WPS and welders for oil and gas pipelines. ASME B31. 3 is a standard for the design and erection of chemical plant and oil refinery piping.
How many API standards are there?
In its first 100 years, API has developed more than 700 standards to enhance operational safety, environmental protection and sustainability across the industry, especially through these standards being adopted globally.
What are the two major types of weld repair?
There are different types of welding: Gas tungsten arc welding (GTAW) or tungsten inert gas (TIG) welding.
How many times can a weld be repaired?
limited any repair to 3 times. That was for carbon steel, low alloys, and stainless. This was based upon what we considered good metallurgical and welding practice.
What is 1G 2G 3G 4G 5G in welding?
For groove welding positions-
1G – (flat welding position) 2G – (horizontal welding position) 3G – (vertical welding position) 4G – (welding position overhead or overhead) 5G – (uphill/downhill vertical welding position)
Is API 1104 a code or standard?
API Standard 1104, Standard for Welding Pipelines and Related Facilities — This code book published by the American Petroleum Institute provides the complete and detailed information needed by welders, inspectors and engineers.
What is API standards for pipes?
American Petroleum Institute defines standards for oil and natural gas industry.
…
List of API Standards for Valves and Equipments.
| Sr. | Number | Title |
|---|---|---|
| 4 | API 599 | Metal Plug Valves |
| 5 | API 600 | Bolted Bonnet Steel Gate Valves for Petroleum and Natural Gas Industries |
| 6 | API 602 | Compact Steel Gate Valves |
| 7 | API 603 | Class 150, Cast, Corrosion-Resistant, Flanged-End Gate Valves |
Is API 5L same as A106?
ASTM A106 is standard specification for seamless carbon steel pipe for high-temperature service. API 5L is specification for line pipe. APPLICATION: A 53 is a general steel pipe spec which covers galvanized pipe and black pipe.
Is API a standard or a code?
API was formed in 1919 as a standards-setting organization and is the global leader in convening subject matter experts across segments to establish, maintain, and distribute consensus standards for the oil and gas industry.
What are 3 commonly used codes in welding?
The most common used codes or regulations are API Standard 1104, American Petroleum Institute— Used for pipelines, ASME Section IX, American Society of Mechanical Engineers—Used for pressure vessels and nuclear components, and AWS D1. 1, American Welding Society—Used for bridges, buildings, and other structural steel.
Whats API stand for?
Application Programming Interface
API stands for Application Programming Interface. In the context of APIs, the word Application refers to any software with a distinct function. Interface can be thought of as a contract of service between two applications. This contract defines how the two communicate with each other using requests and responses.
What are the 5 types of weld?
There are five basic welding joint types commonly used in the industry, according to the AWS:
- Butt joint welding.
- Tee joint welding.
- Corner joint welding.
- Lap joint welding.
- Edge joint welding.
What are the 4 main types of welding?
The four main types of welding are: Gas Metal Arc Welding (GMAW/MIG), Gas Tungsten Arc Welding (GTAW/TIG), Shielded Metal Arc Welding (SMAW), and Flux Cored Arc Welding (FCAW).
Can you weld over existing weld?
It should be remembered that welding over weld metal is actually a very common occurrence. Multi-pass welds after all are manufactured by welding over weld metal! There are also many accepted procedures in which welds overlap.
What is 1F 2F 3F 4F in welding?
An architect’s blueprints would indicate the welding symbol. 1 refers to a flat position – either 1F or 1G. 2 refers to a horizontal position – either 2F or 2G. 3 is a vertical position – either 3F or 3G. 4 is an overhead position – either 4F or 4G.
What is 6G welding?
In welding, a 6G position requires one pipe to be positioned at a 45-degree angle to the other. Both are horizontal. This presents a very challenging position for a welder, who uses all his skills and a variety of body positions to accomplish the most difficult weld in the 6G join: the overhead weld. Video of the Day.
What is difference between API 1104 and ASME IX?
API 1104 5.3.2.3 has requirements on diameter for WPS/PQR, and ASME IX diameter is non essentail. ASME IX permits the used of plate to qualify pipe, API 1104 does not. API 1104 5.4. 2.4 has position requirements, 5.4.2.3 has joint design requirements.
What does API 5L X65 mean?
API 5L X65 pipe is also called ISO 3183 L450 pipe, it is a high level grade pipe in API 5L (ISO 3183) specifications, used for oil and gas transmissions. The reason we call it X65 pipe or L415 pipe is because it’s minimum yield strength required in 65000 Ksi or 450 Mpa.
What is the difference between ASTM A106 Gr B & API 5L Gr B?
ASTM A106 is standard specification for seamless carbon steel pipe for high-temperature service. API 5L is specification for line pipe.