API SPEC 20E

$67.00

Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries

2nd Edition

Includes all amendments and changes through Errata , May 2022

Published by American Petroleum Institute, 05/01/2022

PDF

All of our standards are only available in PDF (Portable Document Format), an electronic, downloadable format.

Multi-User Access

After purchasing, you have the ability to assign each license to a specific user.

Printable

At any time, you are permitted to make printed copies for your and your members' reference use.

API 20E, 2nd Edition – Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries

Purpose

API 20E specifies requirements for the qualification, production, and documentation of alloy and carbon steel bolting used in the petroleum and natural gas industries.

Applicability

API 20E applies when referenced by an applicable API equipment standard or otherwise specified as a requirement for compliance.

Bolting Specification Levels

This standard establishes requirements for three bolting specification levels (BSLs). These three BSL designations define different levels of technical, quality, and qualification requirements, BSL-1, BSL-2, and BSL-3. The BSLs are numbered in increasing levels of requirements in order to reflect increasing technical, quality, and qualification criteria.

Bolting Types

This standard covers the following finished product forms, processes, and sizes:

a) machined studs;

b) machined bolts, screws, and nuts;

c) cold formed bolts, screws, and nuts with cut or cold formed threads (BSL-1 only);

d) hot formed bolts and screws <1.5 in. (38.1 mm) nominal diameter;

e) hot formed bolts and screws ≥1.5 in. (38.1 mm) nominal diameter;

f) roll threaded studs, bolts, and screws <1.5 in. (38.1 mm) diameter;

g) roll threaded studs, bolts, and screws ≥1.5 in. (38.1 mm) diameter;

h) hot formed nuts <1.5 in. (38.1 mm) nominal diameter;

i) hot formed nuts ≥1.5 in. (38.1 mm) nominal diameter.

NOTE Alternate geometry components made in accordance with this specification may be specified by the purchaser.

General Product Information:

Revision 2nd
Document Type PDF
Pages 31
Document Language English
Publisher American Petroleum Institute (API)
Status Current

Preview

Document History