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astm a148 gr 90-60 equivalent 주제에 대한 동영상 보기
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d여기에서 Different Types Of Antenna Tuning/Matching Units. – astm a148 gr 90-60 equivalent 주제에 대한 세부정보를 참조하세요
L match, T match, SPC and Pi, what does it all mean? Oh, and I forgot to mention on the video… the last and cheapest device shown is the only true ‘antenna tuner’ of all the units shown, all of the others are impedance matching devices not ‘tuners’.
astm a148 gr 90-60 equivalent 주제에 대한 자세한 내용은 여기를 참조하세요.
ASTM A148 Grade 90-60 ASTM A148/A148M
The A148 Grade 90-60 is available in a wer variety of shapes and dimensions, as other than standard size A148 Grade 90-60, we also prove cutting, bending, …
Source: www.steelestores.com
Date Published: 6/26/2021
View: 9397
Material Specifications | The Eagle Group
ASTM. SAE. ASME. Heat Treatment … A148 Gr 80-50. N&T. 0.25. 1.25-1.45. 0.60 .25-.40 .15-.25. 80. 50. 22. 35. A148 Gr 90-60. 8625. N&T or Q&T .20-.30.
Source: eaglegroupmanufacturers.com
Date Published: 5/17/2021
View: 5628
cast-steel-grades-chart.pdf – Reliance Foundry
ASTM. Chemical Requirements. Tensile Requirements. STEEL GRADE. Carbon. Manganese. Silicon. Sulfur. Phosphorus. Tensile. Strength … ASTM A148, Grade 90-60.
Source: www.reliance-foundry.com
Date Published: 6/6/2022
View: 5363
Welding of ASTM A148 Gr 90-60 – Google Groups
The MOC is ASTM A 148 Gr 90-60 which is a high strength steel casting having UTS: 650 MPa. Does anyone have any exposure of welding such castings.
Source: groups.google.com
Date Published: 6/9/2021
View: 275
A 148 Grade 90-60 ASTM :: Total Materia
A 148 Grade 90-60, ASTM, A148/A148M, Standard Specification for Steel Castings, High Strength, for Structural Purposes.
Source: www.totalmateria.com
Date Published: 8/9/2022
View: 459
ALLOY SELECTION CHART
ASTM-A732 GR 1A. ANNEALED. 60/40/24. 1025. ASTM-A27 65/35. ANNEALED … ASTM-A148. ANNEALED AND CARBON RESTORED. GRADES 80/40 THRU. 90/60.
Source: www.rlmcastings.com
Date Published: 2/6/2021
View: 9060
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주제에 대한 기사 평가 astm a148 gr 90-60 equivalent
- Author: VK6CS
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- Date Published: 2015. 2. 14.
- Video Url link: https://www.youtube.com/watch?v=mHkg7PVlJ1Y
What is ASTM A148?
ASTM A148 is the specification for carbon steel, alloy steel, and stainless steel castings, the grades include 550-270, 80-40, 550-345, 80-50, 620-415, 90-60, 725-585, 105-85, 795-655, 115-95, 895-795, 130-115, 930-860, 135-125, 1305-930, 150-135, 1105-1000, 160-145, 1140-1035, 165-150 etc.
Is 1030 a material specification?
…
AISI 1030 Steel (UNS G10300) in Coil Form.
| Property | AISI 1030 Data |
|---|---|
| Thermal Conductivity, Btu/ft hr ˚F | 30.0 |
| Specific Heat, Btu/lb ˚F | 0.116 |
What is ASTM A216?
ASTM A216. STANDARD SPECIFICATION FOR STEEL CASTINGS, CARBON, SUITABLE FOR FUSION WELDING, FOR HIGH-TEMPERATURE SERVICE.
What is ASTM A27?
ASTM A27 is a specification developed for carbon steel castings for general applications. Often referred to as mild steel, or plain carbon steel, the balance of cost vs. strength of this common form of cast steel makes it desirable for a wide range of uses.
What is A6 ASTM?
ASTM A6/A6M-19 – Standard Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling.
Is 1030 a tensile strength?
1030 is a medium tensile low hardenability carbon steel generally supplied in the cold drawn or turned and polished, or centreless ground condition, with a typical tensile strength range 500 – 850 Mpa, and Brinell hardness range 150 – 245.
What is SAE 1030 steel?
SAE 1030 is a plan carbon steel containing nominally 0.30% carbon. It is used in the hot-rolled, normalized, oil-quenched-and-tempered or water-quenched-and-tempered condition for general-purpose engineering and construction. It provides medium strength and toughness at low cost.
What is the hardness of en8 material?
| Heat Treatment | Tensile Strength Rm | Hardness |
|---|---|---|
| MPa | HB | |
| N | 550 | 152/207 |
| 510 | 146/197 | |
| Q | 625/775 | 179/229 |
What is A216 Gr WCB material?
A216 WCB is carbon steel castings for valves, flanges, fittings, or other pressure-containing parts for high-temperature service and of quality suitable for assembly with other castings or wrought-steel parts by fusion welding.
What is CF8M material?
CF8M is a molybdenum bearing modification of CF8 Austenitic Steel alloy and is the cast equivalent of wrought AISI 316 stainless steel. The presence of molybdenum increases the general corrosion resistance and the resistance to pitting by chlorides.
What is difference between WCB and WCC steel?
ASTM A216 WCC has a slightly higher pressure/ temperature rating than A216 WCB as it has a higher yield strength and a slightly higher manganese content. A216 LCC is basically the same as A216 WCC except it is charpies impact tested at -46ºC for low temperature service.
Is 1030 a chemical composition?
…
Standard “1030 Grade” Chemical Composition.
| Carbon | 0.28-0.34 |
|---|---|
| Manganese | 0.60-0.90 |
| Phosphorus (max) | 0.040 |
| Sulfur (max) | 0.050 |
Can you cast steel?
Steel is more difficult to cast than iron. It has a higher melting point and greater shrinkage rate, which requires consideration during mold design. Risers should be given more capacity to draw from as the metal cools and shrinks.
What is the meaning of WCB material?
WCB stands for Wrought carbon steel grade B. WCB is covered by ASTM A216 standard. Generally WCB materials are used to cast valve bodies.
What is GS c25 material?
| Property | Value |
|---|---|
| Carbon | 0.18 – 0.23 % Show Material materials with Carbon of 0.18 – 0.23 % |
| Chromium | 0.3 % Show Material materials with Chromium of 0.3 % |
| Manganese | 0.5 – 0.8 % Show Material materials with Manganese of 0.5 – 0.8 % |
| Phosphorus | 0.02 % Show Material materials with Phosphorus of 0.02 % |
What is WCC material grade?
WCC stands for “Wrought Carbon” with Grade C. Sometimes you can think first letter “C” as casting. There are 3 kind of Grade A, B & C which define the ductility & tensile strength. Grade WCC is having very good yield strength as compare to Grade WCA and Grade WCB.
What is A516 steel?
A516 steel is the American Society for Testing and Materials (ASTM) designation for Pressure Vessel Quality (PVQ) carbon steel plate with a tensile strength between 380 – 620 MPa, depending on the grade.
ASTM A148 A148M for High Strength Steel Castings for Structural Industry
ASTM A148 A148M for High Strength Steel Castings for Structural Industry
ASTM A148 is the specification for carbon steel, alloy steel, and stainless steel castings, the grades include 550-270, 80-40, 550-345, 80-50, 620-415, 90-60, 725-585, 105-85, 795-655, 115-95, 895-795, 130-115, 930-860, 135-125, 1305-930, 150-135, 1105-1000, 160-145, 1140-1035, 165-150 etc.
The grades of steel castings are covered and shall conform to the required chemical composition for sulfur and phosphorus. A tension test shall be performed and shall conform to the required tensile strength, yield point, and elongation. The notch bar impact properties shall also be determined by testing one set of three Charpy V-notch impact specimens.
Steel Grade Old Steel Grade Chemical Components (%) Physical Properties (Min) P ≤ S ≤ σb /MPa σs / Mpa δ (%) ψ (%) 550-270 80-40 0.05 0.06 550 275 18 30 550-345 80-50 0.05 0.06 550 345 12 35 620-415 90-60 0.05 0.06 620 415 20 40 725-585 105-85 0.05 0.06 725 585 17 35 795-655 115-95 0.05 0.06 795 655 14 30 895-795 130-115 0.05 0.06 895 795 11 25 930-860 135-125 0.05 0.06 930 860 9 22 1305-930 150-135 0.05 0.06 1035 930 7 18 1105-1000 160-145 0.05 0.06 1105 1000 6 12 1140-1035 165-150 0.020 0.020 1140 1035 5 20 1140-1035L 165-150L 0.020 0.020 1140 1035 5 20 1450-1240 210-180 0.020 0.020 1450 1240 4 15 1450-1240L 210-180L 0.020 0.020 1450 1240 4 15 1795-1450 260-210 0.020 0.020 1795 1450 3 6 1795-1450L 260-210L 0.020 0.020 1795 1450 3 6
Dandong Foundry supplied various cast steel casting parts in this standards. This is a very common standard for Chinese steel foundries. The production process including sand casting, and precision casting processes, such as lost wax investment casting, and silica sol investment casting process.
Carbon Steel 1030
Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice. We make no representation or warranty as to its accuracy and assume no duty to update. Actual data on any particular product or material may vary from those shown herein.
ASTM A216 Standard. Default Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service.
About the American Society for Testing
and Materials
ASTM A216
STANDARD SPECIFICATION FOR STEEL CASTINGS, CARBON, SUITABLE FOR FUSION WELDING, FOR HIGH-TEMPERATURE SERVICE
1. Scope
1.1 This specification covers carbon steel castings for Valves, flanges, fittings, or other pressure-containing parts for high-temperature service and of quality suitable for assembly with other castings or wrought-steel parts by fusion welding.
1.2 Three grades, WCA, WCB, and WCC, are covered in this specification. Selection will depend upon design and service conditions, mechanical properties, and the high temperature characteristics.
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
2. Referenced Documents
A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
A703/A703M Specification for Steel Castings, General Requirements, for Pressure-Containing Parts
A985/A985M Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts
E165 Test Method for Liquid Penetrant Examination
E709 Guide for Magnetic Particle Examination
SP55 Steel Castings for Valve, Flanges, and Fittings, and Other Components (Visual Method)
Reference.. ASTM
ASTM A27 Steel: Choosing the Right Grade for your Casting
Understanding the influences of chemical composition and post-weld heat treatment
The correct material specification of a casting must be identified before placing an order with a foundry. This ensures the desired casting will have the necessary qualities for best performance and durability. Orders for castings at a foundry are typically made to ASTM specifications—a system of classifying steel and other materials based on mechanical properties, chemical analysis, and intended use. ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized standards organization.
What is ASTM A27?
Depending on the mechanical and chemical properties required, steel (Fe) will contain varying amounts of foreign elements (alloys) in addition to carbon (C). ASTM A27 is a specification developed for carbon steel castings for general applications. Often referred to as mild steel, or plain carbon steel, the balance of cost vs. strength of this common form of cast steel makes it desirable for a wide range of uses.
ASTM A27 provides several grades and two classes of steel castings that can be specified depending on the chemical and strength requirements of the design. It also provides supplementary requirements if castings call for unique inspections and adherence to other design needs. ASTM A27 includes carbon steel castings for applications requiring up to 70 ksi (485 MPa) minimum tensile strength.
There are several steel grades and two classes of steel castings covered under ASTM A27. Each grade varies based on the chemical composition and type of heat treating needed to affect changes in mechanical properties.
Supplemental tests can be applied to specifications when testing beyond chemical and tensile analyses. Supplemental testing requires producers to conduct from a selection of additional tests.
SUPPLEMENTAL TESTING Surface Inspection Internal testing for soundness Strength testing Inspect for casting cracks or discontinuties by observing surface textures and deformities. Inspect for internal voids to ensure steel has no cracks, shrinkage cavity, or other defects. Inspect to verify temperature, dependent ductile and brittle transition. E.g. Magnetic particle examination E.g. Radiographic examination E.g. Charpy impact testing
Effects of heat treatment
Heat treatment is used to alter, repair, or improve the physical properties of metal. This process in a foundry involves heating and chilling using heat-treat ovens, often to extreme temperatures. This reduces stress in a cast part, homogenizes the physical properties of the casting, and modifies the physical properties of the metal. Heat treating involves full annealing, normalizing, and tempering—or quenching and tempering. Heat treatments should be performed after castings have fully cooled.
When considering steel grades and classes, heat treatment plays a crucial role. All castings, with the exceptions of Grade N-1 and U-60-30, must be heat treated. Steel class is largely influenced by the casting’s need for post-weld heat treating.
Selecting a steel grade
When choosing a steel grade, choose one that fulfills actual requirements, rather than a grade that aims to fulfill conditions that are never expected. Higher grades and additional tests will typically demand higher costs. When superfluous testing or acceptance criteria beyond what is needed is performed, expenses are added without necessarily increasing the serviceability of the casting. The amount of testing demanded and the acceptance criteria should follow design and service requirements.
STEEL GRADES Grade N-1 Chemical analysis only Grade N-2 Heat treated but not mechanically tested Grade U-60-30 Mechanically tested but not heat treated Grade 60-30, 65-35, 70-36 and 70-40 Heat treated but not mechanically tested
Selecting a steel class
After deciding on a steel grade, it is time to choose a steel class. There are two separate classes of steel differentiated by the need for heat treatment.
Class 1: Post-weld heat treatment required
The foundry must heat treat, or re-heat treat, a casting if any welding is performed.
Class 2: Post-weld heat treatment not required
The foundry may conduct some welding on a casting without necessitating heat treating or re-heat treating. This is normal in the case of very small, cosmetic welds.
If welds require heat treating, it is important to specify Class 1, along with the grade. Contrastingly, if heat treatment will not be used, Class 2 should be specified along with the grade.
ASTM A27 strength testing
Strength tests are typically performed on representative steel bars, called coupons, rather than sections taken from actual castings. Tests made on coupons have the same composition of the casting as they are poured and heat treated at the same time as the castings. The results will show the steel’s quality, but not necessarily the properties of the actual casting. During heat treatment, solidification conditions and cooling rate are affected by the size, shape, and thickness of the casting.
Steel specifications generally refer to the tensile and yield strength. A27 steel, except for Grades N-1 and N-2, must all undergo a tension test and conform to the following mechanical requirements:
Tensile strength (Ultimate tensile strength)
The strength of a material measured by the greatest stress it can undergo while being stretched before breaking.
Yield point
The tension a material can undergo before it starts to deform plastically.
Elongation (%)
The percentage of the initial length that a tensile test piece stretches before breaking or fracturing.
Reduction of area (%)
The difference between the original cross-sectional area of a tensile specimen and the smallest area after rupture (expressed as a percentage of the original area).
Strength tests vs. hardness tests
Tensile strength is not the same as hardness. Tensile strength refers to the resistance of a material to breaking under tension. As mentioned earlier, tensile strength can be tested using test coupons to verify tensile properties including tensile strength, yield point, and elongation of the casting.
Hardness refers to the ability for a material to resist deformation. When it comes to non-austenitic steel, there is a consistent functional relationship between hardness values and tensile strengths, and therefore measuring hardness can indicate tensile yields. In the foundry hardness testing provides a cheap, easy, and systematic way of checking for physical properties without having to perform unique tensile tests. Although they do not provide an exact or guaranteed measurement, they are relatively accurate for homogenous steels. Therefore, hardness testing and subsequent conversion can provide a rapid, cost-effective method of quickly confirming physical property assumptions.
ASTM A148 Grade 90-60 ASTM A148/A148M
ASTM A148 Grade 90-60 ASTM A148/A148M
We can provide a variety of regular size ASTM A148 Grade 90-60 ASTM A148/A148M steel plates, ASTM A148 Grade 90-60 ASTM A148/A148M steel coils, ASTM A148 Grade 90-60 ASTM A148/A148M steel bars, structural steel, if you have special requirements, please contact us to provide you with customized services..
We also provide ASTM A148 Grade 90-60 ASTM A148/A148M processing services, according to the requirements and drawings provided by customers, customized processing parts for various needs.
Welding of ASTM A148 Gr 90-60
Dear Prem,
Problem with this material is that material specification doesn’t specify anything else than Phosphorus and Sulfur content. If nothing is agreed in front it’s up to the manufacturer to choose the chemical composition in order to reach the required mechanical properties. Same problem you have with heat treatment condition because this may be Annealed, Normalized, Normalized and Tempered or Quenched and Tempered if nothing is agreed in front.
Therefore it would be advisable to remove a small part of material in order to determine chemical composition in front of welding activities.
ASTM A148 does mention welding of its castings in paragraph 12 so normally it should be a weldable grade but to be sure you need to know the composition, or you may go for the worst case situation. In that case I would recommend preheating up to 150 °C and using SG3 wire as filler metal for GMAW welding process.
According to ASTM A148 you have to execute a suitable stress relieve or heat treatment afterwards. Here you also need to know the delivery condition.
It would be helpful for you if there is a reliable certificate available which shows the necessary information.
Met vriendelijke groeten / Best Regards
Herman Pieper
Pieper Quality Support & Inspection
Phone: +31 (0)521 380083
Fax: +31 (0)84 7539225
Cell: +31 (0)6 51691215
www.pieper-qsi.nl
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사람들이 주제에 대해 자주 검색하는 키워드 Different Types Of Antenna Tuning/Matching Units.
- Amateur Radio
- Ham Radio
- You Kits FG-01
- MFJ
- MFJ945E
- HF Antenna Tuner
- HF coax Switch
- TX Factor
- ATU
- TUNER
- Antenna Matching Units
- T Match
- PI Match
- SPC Match
- L Match
- How Mant Different Types Of ATU Arre There?
- SHTF Tuners
- WROL Tuners
- Prepper Tuners
- HF Tuners
- Different Types Of Antenna Tuners Are There?
- How To
- How Many Tuners?
Different #Types #Of #Antenna #Tuning/Matching #Units.
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