API 20E Bolting - ASTM 194 - Nuts

NUBOTECK Nuts comply to the stringent quality requirements of

API 20E Bolting BSL 1, BSL 2, BSL 3

NUBOTECK, with a focus on Quality Control is a leading manufacturer, supplier, exporter of the ASTM 194 Nuts in India

The grades of ASTM A194 used are 2H, 7, 2HM, 7M

Chemical Composition of typical ASTM 194 Steel.
Material Grade Grade 2HM, 2H Grade 7M, 7
Chemical Composition Min Max Min Max
Carbon 0.400 - 0.380 0.480
Manganese - 1.000 0.750 1.000
Phosphorus (max) - 0.040 - 0.035
Sulphur (max) - 0.050 - 0.040
Silicon - 0.400 0.150 0.350
Chromium - - 0.800 1.100
Molybdenum - - 0.150 0.250
Boron (max) - - - -
Typical Steel Grades 4140, 4142, 4145, 4140H, 4142H, 4145H
Route Continuous, Ingot Continuous, Ingot
Other Designations Carbon Steel Chromium-Molybdenum

API 20E bolting standard further provides for better chemistry over the regular ASTM standard to achieve High-Tensile properties for the product i.e. nut

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