NUBOTECK manufactures certified boltings as per API 20E requirements. These fasteners are used in critical Surface and Subsea equipments of Oil and Gas industry. Due to the engineering involved to maintain the stringent quality parameters, the manufacturing process infuses reliability in these fasteners.
API 20E Licence #20E-0096
Each bolting specification (BSL1, BSL2, BSL3) is unique due to the extent of quality controls that the bolting manufacturer has to establish for each level. These controls start right from raw material and goes upto the final inspection of the product. NUBOTECK has established below controls even in general manufacturing practice.
NUBOTECK understands the criticality of API 20E boltings. To ensure material traceability, the raw material is procured only from steel mills. We manufacture to below bolting grades. Huge emphasis is laid on the traceability of the material using heat-numbers, heat lots and production lots. We provide all the test results on our test certificate which is compliant with EN 10204 3.1
|Stud Grade||Nut Grade||Steel Grade|
|ASTM A193 B7||ASTM A194 2H||4140, 4142, 4145, 4140H, 4142H, 4145H|
|ASTM A320 L7||ASTM A194 7||4140, 4142, 4145, 4140H, 4142H, 4145H|
|ASTM A193 B7M||ASTM A194 2HM||4130, 4140, 4142, 4145, 4130H, 4140H, 4142H, 4145H|
|ASTM A320 L7M||ASTM A194 7M||4140, 4142, 4145, 4140H, 4142H, 4145H|