CN203772615U - High-temperature tensile test sample of pipe - Google Patents
High-temperature tensile test sample of pipe Download PDFInfo
- Publication number
- CN203772615U CN203772615U CN201420068676.XU CN201420068676U CN203772615U CN 203772615 U CN203772615 U CN 203772615U CN 201420068676 U CN201420068676 U CN 201420068676U CN 203772615 U CN203772615 U CN 203772615U
- Authority
- CN
- China
- Prior art keywords
- sample
- high temperature
- head
- gauge length
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009864 tensile test Methods 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
本实用新型提供了一种管材的高温拉伸试样。所述高温拉伸试样为自管材上切取预定长度的试样坯料加工而成的带头板样，所述带头板样包括带有标距的标距段、位于试样两端的头部以及连接标距段和头部的过渡弧段，所述头部上设置有承力孔，所述头部由沿垂直于所述标距段的宽度方向的中心部位的方向将试样坯料两端压平而成。本实用新型通过将试样两带头端压扁变成双层壁厚，而中间标距段和过渡部位仍为单层壁厚，并且承力孔变小，保证了试样两带头端的强度远远大于中间标距的强度，使得试样在高温拉伸时不会出现钻孔部位的变形和断裂现象，并且能够实现无缝小钢管高温拉伸大规模生产检验。
The utility model provides a high-temperature tensile sample of a pipe. The high-temperature tensile sample is a headed plate sample processed by cutting a predetermined length of sample blank from a pipe, and the headed plate sample includes a gauge section with a gauge length, a head located at both ends of the sample, and a connection The transition arc section between the gauge length section and the head. The head is provided with a load-bearing hole. The head presses both ends of the sample blank in a direction perpendicular to the center of the width direction of the gauge length section. Made flat. The utility model flattens the two leading ends of the sample into double-layer wall thickness, while the intermediate gauge section and the transition part are still single-layer wall thickness, and the bearing hole becomes smaller, which ensures that the strength of the two leading ends of the sample is much higher. The strength is much greater than the middle gauge length, so that the sample will not appear deformation and fracture of the drilled part when stretched at high temperature, and can realize large-scale production inspection of seamless small steel pipe high temperature stretching.
Description
Technical field
The utility model relates to mechanics detection field, more particularly, relates to a kind of drawing by high temperature sample of tubular metal sample.
Background technology
The drawing by high temperature sample of tubing is divided into round sample conventionally, take the lead plate sample and full-scale pipeline section sample, wherein takes the lead the hole that plate tensile sample need to bore at sample band head end Φ 10, to be connected on high-temperature clamp by latch.For the seamless little steel pipe below external diameter Φ 30mm or below wall thickness 3mm, if by taking the lead normally the processing of plate sample, in the time of high temperature tension test, often there is sample band head end boring sites in curing distortion fracture, cause test failure.If adopt full-scale pipeline section sample, need to add chock plug at sample two ends, and need special high temperature tensile clamp to be connected on testing machine, full-scale pipeline section sample high temperature tensile clamp manufacture difficulty is large, cost is high, and the installation of high-temperature clamp and sample trouble, test efficiency is low, is difficult to realize large-scale production examination requirements.
Utility model content
For prior art above shortcomings, the purpose of this utility model is to solve the one or more problems that exist in above-mentioned prior art.
For example, one of the utility model object is to provide takes the lead plate sample as the drawing by high temperature sample of seamless little steel pipe after a kind of improvement, solves distortion or fracture appear in sample in the time of drawing by high temperature problem with head end boring sites in curing.
The utility model provides a kind of drawing by high temperature sample of tubing, described drawing by high temperature sample be on tubing, cut that the sample blank of predetermined length processes take the lead plate sample, the described plate sample of taking the lead comprises with the gauge length section of gauge length, is positioned at the head at sample two ends and connects the transition segmental arc of gauge length section and head, on described head, be provided with force-bearing hole, described head is flattened sample blank two ends to form by the direction in the centre of the Width along perpendicular to described gauge length section.
According to an embodiment of the drawing by high temperature sample of tubing of the present utility model, described tubing is weldless steel tube.
According to an embodiment of the drawing by high temperature sample of tubing of the present utility model, the wall thickness that the external diameter of described weldless steel tube is not more than 30mm or described weldless steel tube is not more than 3mm.
According to an embodiment of the drawing by high temperature sample of tubing of the present utility model, the aperture of described force-bearing hole is 6～8mm.
According to an embodiment of the drawing by high temperature sample of tubing of the present utility model, described force-bearing hole is pin hole.
Compared with prior art, the beneficial effects of the utility model comprise: by sample two is taken the lead, side pressure is flat becomes double-deck wall thickness, and middle gauge length section and intermediate location are still individual layer wall thickness, and force-bearing hole diameter diminishes, ensured that sample two is far longer than the intensity of middle gauge length with the intensity of head end, and then sample there will not be the deformation and fracture phenomenon of boring sites in curing in the time of drawing by high temperature.In addition, sample fitting operation is simple and efficient, and experimentation cost is low, can meet testing standard and testing requirements completely, can realize seamless little steel pipe drawing by high temperature large-scale production inspection.
Brief description of the drawings
By the description of carrying out below in conjunction with accompanying drawing, above and other object of the present utility model and feature will become apparent, wherein:
Fig. 1 show according to the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment schematic perspective view.
Fig. 2 be shown in Fig. 1 according to the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment front view.
Fig. 3 is according to the vertical view cutaway drawing of the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment shown in Fig. 1.
Fig. 4 is according to the side view of the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment shown in Fig. 1.
Description of reference numerals is as follows:
1-gauge length section, 2-head (band head end), 3-transition segmental arc and 4-pin hole.
Embodiment
Hereinafter, describe the drawing by high temperature sample of tubing of the present utility model in detail in connection with exemplary embodiment.
Fig. 1 be according to the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment schematic perspective view.Fig. 2 be shown in Fig. 1 according to the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment front view.Fig. 3 is according to the vertical view cutaway drawing of the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment shown in Fig. 1.Fig. 4 is according to the side view of the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment shown in Fig. 1.
As shown in Figures 1 to 4, in one exemplary embodiment, tubing is the weldless steel tube below external diameter Φ 30mm or below wall thickness 3mm, according to the drawing by high temperature sample of the weldless steel tube of the utility model exemplary embodiment be on weldless steel tube, cut that the sample blank of predetermined length processes from strand take the lead plate sample, this is taken the lead plate sample and comprises the gauge length section 1 with gauge length, be positioned at the head 2 at sample two ends and connect the transition segmental arc 3 of gauge length section and head, on head 2, be provided with pin hole 4, the aperture of pin hole 4 is 6～8mm, and head 2 is flattened sample blank two ends to form by the direction in the centre of the Width along perpendicular to gauge length section 1, along the axial direction of pin hole 4, sample blank two ends are flattened and formed.
Below sketch the drawing by high temperature sample processing technology of this weldless steel tube: require on weldless steel tube, to cut one section as sample blank → Milling Process sample marking distance and intermediate location according to specimen length, obtain double-deck gauge length pipeline section sample blanks → clip wherein one deck gauge length from intermediate location, obtain individual layer gauge length pipeline section sample blanks → sample both ends are flattened perpendicular to the centre direction of gauge length Width, what to obtain individual layer gauge length, both ends be double-deck wall thickness take the lead plate tensile sample → bore pin holes at two band head ends, forms drawing by high temperature weldless steel tube and takes the lead plate sample.
Weldless steel tube drawing by high temperature sample of the present utility model, the existing plate sample of taking the lead is improved to processing, external diameter is not more than to the thin walled tube that the seamless little steel pipe of 30mm or wall thickness be not more than 3mm and before sample processing, first head is flattened to (becoming double-deck wall thickness), then line boring; Force-bearing hole with head end changes Φ 6mm～Φ 8mm into by former Φ 10mm, has increased sample head intensity; Sample marking distance and intermediate location normal process (individual layer wall thickness).The sample that processing obtains, due to sample two is taken the lead, side pressure is flat becomes double-deck wall thickness, and middle gauge length section and intermediate location are still individual layer wall thickness, and boring diminishes, ensured that sample two is far longer than the intensity of middle gauge length with the intensity of head end, and then sample there will not be the deformation and fracture phenomenon of boring sites in curing in the time of drawing by high temperature.In addition, sample fitting operation is simple and efficient, and experimentation cost is low, through testing and verification, this sample can meet testing standard and testing requirements completely, has solved external diameter and has been not more than the problem that the seamless little steel pipe of 30mm or wall thickness are not more than the thin walled tube drawing by high temperature large-scale production inspection of 3mm.
Although above by having described the utility model in conjunction with exemplary embodiment, but those skilled in the art should be clear, in the case of not departing from the spirit and scope that claim limits, can carry out various amendments and change to exemplary embodiment of the present utility model.For example, the new novel drawing by high temperature sample of this practicality is not limited to seamless little steel pipe or thin-wall seamless steel pipe, can also be applied to other and need to carry out the tubing of high temperature tension test.
Claims (4)
1. the drawing by high temperature sample of a tubing, described drawing by high temperature sample be on tubing, cut that the sample blank of predetermined length processes take the lead plate sample, the described plate sample of taking the lead comprises with the gauge length section of gauge length, is positioned at the head at sample two ends and connects the transition segmental arc of gauge length section and head, on described head, be provided with force-bearing hole, it is characterized in that, described head is flattened sample blank two ends to form by the direction in the centre of the Width along perpendicular to described gauge length section.
2. the drawing by high temperature sample of tubing according to claim 1, is characterized in that, described tubing is weldless steel tube.
3. the drawing by high temperature sample of tubing according to claim 2, is characterized in that, the wall thickness that the external diameter of described weldless steel tube is not more than 30mm or described weldless steel tube is not more than 3mm.
4. the drawing by high temperature sample of tubing according to claim 3, is characterized in that, the aperture of described force-bearing hole is 6～8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068676.XU CN203772615U (en) | 2014-02-17 | 2014-02-17 | High-temperature tensile test sample of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068676.XU CN203772615U (en) | 2014-02-17 | 2014-02-17 | High-temperature tensile test sample of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772615U true CN203772615U (en) | 2014-08-13 |
Family
ID=51289793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068676.XU Expired - Fee Related CN203772615U (en) | 2014-02-17 | 2014-02-17 | High-temperature tensile test sample of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772615U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931321A (en) * | 2015-06-25 | 2015-09-23 | 青岛武船重工有限公司 | Sample for testing Z-direction performance of seamless steel pipes and preparation method of sample for testing Z-direction performance of seamless steel pipes |
| CN107132086A (en) * | 2016-02-29 | 2017-09-05 | 鞍钢股份有限公司 | Manufacturing method of high-temperature tensile sample |
| CN111060365A (en) * | 2019-11-21 | 2020-04-24 | 华菱安赛乐米塔尔汽车板有限公司 | Tensile sample system for detecting baking hardening value |
| CN116429572A (en) * | 2023-03-24 | 2023-07-14 | 安徽农业大学 | A Method for Measuring the Tensile Strength of Small-diameter Woody Biomaterials along the Grain in a Sector Section |
-
2014
- 2014-02-17 CN CN201420068676.XU patent/CN203772615U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931321A (en) * | 2015-06-25 | 2015-09-23 | 青岛武船重工有限公司 | Sample for testing Z-direction performance of seamless steel pipes and preparation method of sample for testing Z-direction performance of seamless steel pipes |
| CN104931321B (en) * | 2015-06-25 | 2017-12-29 | 青岛武船重工有限公司 | Sample for testing seamless steel pipe Z-direction performance and preparation method thereof |
| CN107132086A (en) * | 2016-02-29 | 2017-09-05 | 鞍钢股份有限公司 | Manufacturing method of high-temperature tensile sample |
| CN111060365A (en) * | 2019-11-21 | 2020-04-24 | 华菱安赛乐米塔尔汽车板有限公司 | Tensile sample system for detecting baking hardening value |
| CN111060365B (en) * | 2019-11-21 | 2022-08-30 | 华菱安赛乐米塔尔汽车板有限公司 | Tensile sample system for detecting baking hardening value |
| CN116429572A (en) * | 2023-03-24 | 2023-07-14 | 安徽农业大学 | A Method for Measuring the Tensile Strength of Small-diameter Woody Biomaterials along the Grain in a Sector Section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203772615U (en) | High-temperature tensile test sample of pipe | |
| CN101776550B (en) | Tensile test fixture used for tubular product sample | |
| CN202188980U (en) | Test sample for tensile test of thin walled tube | |
| CN201607366U (en) | A tensile test fixture | |
| CN103752666B (en) | The tubing press shaping die method of flexible chain ball plug | |
| CN102773815B (en) | A kind of weldment coaxiality tool | |
| CN101259495B (en) | Core rod device for tube bender | |
| CN102519336A (en) | Inner groove detection tool | |
| CN103273354B (en) | Thin-wall cylindrical part positioning clamping device | |
| CN204564853U (en) | The quick bending press of a kind of thin-walled minor radius steel pipe | |
| CN201210042Y (en) | Nut light hole axis verticality inspection tool | |
| CN201569604U (en) | Auxiliary device for variable angle shear test of cylindrical rock samples | |
| CN104792610A (en) | Clamping device for carbon fiber composite material pipeline test specimen | |
| CN204404958U (en) | A kind of spool feeler gauge | |
| CN205262357U (en) | Automobile parts aperture and bore depth detection instrument | |
| CN202716176U (en) | Welding piece coaxial tool | |
| CN204724605U (en) | For the pressure mould of dustless drawing aluminium Baogang | |
| CN102435123A (en) | Intermediate inner hole pass-stop gauge | |
| CN201535737U (en) | A cylindrical threaded clamp | |
| CN105290129A (en) | Tapered lead-in tube drawing mold | |
| CN205448877U (en) | A frock that is used for compressor leaflet piece die forging blank to detect | |
| CN104907350B (en) | Pressure mould for dustless drawing aluminium Baogang | |
| CN202263885U (en) | Riveting test fixture | |
| CN203732356U (en) | Special chock plug for tensile sample of thin-walled small-diameter pipe | |
| CN202793711U (en) | Simple leak detection tool for tube type heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |