API Spec 5B BTC BCSG Buttress Thread Gauge Oilfield Casing Buttress Thread Inspection Gauge
Description:
API Spec 5B Buttress Thread Gauges (BTC / BCSG) are high-precision professional measuring tools strictly manufactured in accordance with the API Spec 5B petroleum industry standard. Adopting high-quality GCr15 bearing steel as the core material, these gauges achieve a hardness of 60-63HRC, featuring high rigidity, wear resistance and stable measurement accuracy for long-term repeated use.
API 5B BCSG BTC Buttress Thread Gauges are widely recognized and adopted by oil pipe manufacturing factories, oilfield on-site inspection departments, professional testing laboratories and third-party detection institutions. With compliant standard design and reliable precision performance, these gauges provide accurate and authoritative measurement guarantees for thread quality control and qualified delivery of petroleum casing products.
Available variants: Working gauge or Master gauge; Ring gauge, Plug gauge or complete Ring & Plug gauge set.
Each finished gauge is equipped with an official calibration certificate to ensure standardized and traceable measurement results.
Quick Detail:
1. Standard: API Spec 5B
2. Material: GCr15
3. Hardness: 60-63HRC
4. Come with calibration certificate
When you order, please specify the following information:
1. Type and Sizes of connections
2. Master gauge or working gauge
3. Ring or plug or set
Specification:
| Size |
Outer Dia |
Pitch per 25.4mm |
Taper |
Form Angle |
| 4 1/2 BCSG |
114.30 |
5.08(5) |
1:16 |
3°,10° |
| 5 BCSG |
127.00 |
5.08(5) |
| 5 1/2 BCSG |
139.70 |
5.08(5) |
| 6 5/8 BCSG |
168.28 |
5.08(5) |
| 7 BCSG |
177.80 |
5.08(5) |
| 7 5/8 BCSG |
193.68 |
5.08(5) |
| 8 5/8 BCSG |
219.08 |
5.08(5) |
| 9 5/8 BCSG |
244.48 |
5.08(5) |
| 10 3/4 BCSG |
273.05 |
5.08(5) |
| 11 3/4 BCSG |
298.45 |
5.08(5) |
| 13 3/8 BCSG |
339.73 |
5.08(5) |
| 16 BCSG |
406.40 |
5.08(5) |
1:12 |
3°,10° |
| 18 5/8 BCSG |
473.08 |
5.08(5) |
| 20 BCSG |
508.00 |
5.08(5) |
Precautions:
1. It is not allowed to touch the working surface of the gauge with your hands, so as not to cause rust.
2. Inspect regularly to see if there is any damage, rust or deformation. If you find that the gauge begins to rust,
you should put it in gasoline and soak it for a period of time, then take it out and wipe it carefully, and apply anti-rust oil.
3. Do not save the working surfaces of the two gauges together, otherwise the two working surfaces
will be glued to each other, and the gauge will be unnecessarily damaged when separated by external force.
4. After used the threaded gauges, it should be wiped clean and stored under dry condition.
Applications:
Buttress casing working thread gauges are mainly used in the petroleum oil and gas industry for measuring
the thread of casings, tubing and pipelines.
FAQ:
Q1: What are BTC / BCSG buttress thread gauges used for?
A: API Spec 5B Buttress Thread Gauges (BTC/BCSG) are precision measuring tools for petroleum casing buttress threads. They help oil pipe factories, oilfield inspectors and third-party labs check thread dimension and control casing thread quality before delivery.
Q2: What types of API 5B buttress thread gauges can you supply?
A: We offer two grades: Working gauge and Master gauge. Styles include Ring gauge, Plug gauge, and full Ring & Plug gauge sets.
Q3: What is the main application of API 5B BTC buttress thread gauges?
A: They provide accurate, authoritative measurement to control casing thread quality and verify that petroleum casing meets API standard before delivery.
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API Spec 5B BTC BCSG Buttress Thread Gauge Oilfield Casing Buttress Thread Inspection Gauge Images
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