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API SPEC 20E
API SPEC 20E: Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries
CDN $170.29
Description
This standard specifies requirements for the qualification, production, and documentation of alloy and carbon steel bolting used in the petroleum and natural gas industries.
This standard applies when required by an applicable API equipment standard or otherwise specified as a requirement for conformance. It 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 to reflect increasing technical, quality, and qualification criteria.
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) diam
Edition
3
Published Date
2024-03-07
Status
Current
Pages
41
Language
English
Format
Secure PDF
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Abstract
This standard specifies requirements for the qualification, production, and documentation of alloy and carbon steel bolting used in the petroleum and natural gas industries. This standard applies when required by an applicable API equipment standard or otherwise specified as a requirement for conformance. It 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 to reflect increasing technical, quality, and qualification criteria. 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) diam
