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Steel nuts sizes for stud bolts
Stud Bolts and Nuts

Steel Nuts for Stud Bolts (ASTM A194)

Hexagonal steel nuts for stud bolts charts: dimensions (nuts width and thickness), weight (in kilograms and pounds), material specifications ASTM A194 and metric grades. STEEL

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Weldolet size MSS SP97
Branch Fittings MSS-SP 97

Weldolet Dimensions Charts (MSS-SP 97)

Weldolet dimensions and weights (“center of the run to Weldolet face”,  “size-on-size” and “reducing” Weldolets sizes by NPS and schedule, and “run sizes combinations”). WELDOLET

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Hydrostatic test
Miscellaneous Technical

What is a Hydrostatic Test?

The hydrostatic test consists of filling a piece of equipment with a fluid at test pressure, for a given period of time, to check the

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Ferrule fittings
Miscellaneous Technical

Double Ferrule Compression Fittings

Compression fittings are used to create leak-free tube connections easily and quickly. Double ferrule compression fittings feature an outer nut, two deformable ferrules in soft alloy or

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Stub end fittings ASA MSS
Buttweld Fittings ASME B16.9

Stub Ends for Flanged Joints

What is a stub end and why should it be used? Stub ends are buttweld fittings that can be used (in combination with a lap

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ASTM vs En pipe specifications
Pipe Specifications

ASTM vs. EN Pipe Specifications

An overview of the most common ASTM and EN/DIN pipe specifications, material grades within each specification, and, when possible, the equivalent grades between ASTM vs.

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Coated pipe
Pipe Specifications

Pipe Coating, Lining and Cladding

What is the difference between external pipe coating and internal pipe-lining and cladding? External pipe coatings are used to protect the metal from corrosive environments

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