API STUD BOLTS & NUTS
Melting Sealing manufactures engineered bolting for critical service and safety-related applications. These specialized fasteners. This bolting is intended to be used in Surface & Subsea Equipment and API specifications such as API 6A, API 6D, API 6DSS, API 16A, API 16C, and API 17D melting sealing india pvt ltd offers full traceability with EN10204 3.1 certification on all the products – Mill certification, Heat number, Lot numbers, Full test reports, and 3rd party inspection can be provided upon request. Products offered for the Oil & Gas industry: Compliance to Bolting Specification Level BSL-1, 2, 3 of API 20E Standards.
STUD BOLT (API 20E BSL1, BSL2, BSL3 & ASTM)
Melting Sealing Pvt Ltd is Stud Bolt and Nut manufacturer and suppliers A193 B7 A194 2H Stud Bolt and Nut, Fluoropolymer Coated, size 3/4 x 4 3/4-inch LG.
Stud Bolts type of
- Full Threaded/Half Threaded Stud Bolt
- Combo Stud Bolt
- Tap End
- Double End
- Reduced Shank
- Flange Bolting
- Weld Studs and as per customer requested drawing, we can do it
Bolting Material - API 20E
| 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 |
Dimensions
| Size Range (mm) | Grade | Standard | |||
|---|---|---|---|---|---|
| Diameter | Length | Specification | |||
| 1/2” to 3” M18 to M80 |
3” to 1 meter 50 mm to 1000 mm |
Grade A, Grade B, B7, B7M, L7, L7M, B1 | ASTM A 193, ASTM A 307, ASTM A 370, ANSI B:18.2.1, DIN 975/976 and as per drawings | ||
| Finish / Coating | ||||
|---|---|---|---|---|
| ZINC PLATING ( YELLOW, WHITE AND BLUE PASSIVATION ) |
Cadmium (Yellow/White) |
HOT DIP GALVANIZING | OXIDE BLACK | DACROMET |