ConsultingSpecifying Engineer Navigating ASME B31
Jan 29 2014 · This section is similar to ASME B31.1 and B31.3 but is less conservative (specifically when calculating minimum wall thickness) and contains less detail. It is limited to low pressure low temperature applications indicated in Paragraph 900.1.2 of ASME B31.9.
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Note This temperature range is not fixed you can take any temperature ranges within the design temperature. See the below figure (fig. 4) to find out the allowable stress value for pipe A106Gr.B at temp. 38°C or 100°F we can find the value of allowable stress from Table A-1 of ASME B31.3 .
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The ASME B31.3 Code defines unlisted components as components not in Tables 326.1 A326.1 or K326.1. Unlisted components can have pressure ratings but the owner and/or the designer has the responsibility to verify that the design materials fabrication examination and testing of the component meet the requirements of ASME B31.3.
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I am designing one line blank (6″ 1500#) in a line with 2600 psi des. press and 260 F des.temp. and the selected material is A516 Gr.70. when i tried tocalculate the blank thickness using Para. 304.5.3 of ASME B31.3 i faced some issue. can anyone solve that. the issues are
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Click to view13 19Sep 16 2018 · This video is about pipe thickness calculation and all different factors affecting. It briefly differentiate between a pipe and tube tells you about the his
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where E material and pipe construction quality factor as defined in ASME Process Piping code B31.3-1999 Table A-1A . Y wall thickness coefficient with values listed in ASME Process Piping code B31.3-1999 Table 304.1.1. Formula 1 is re-written in terms of the pressure (p) of the fluid within the pipe Calculation example
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Calculations for reinforcement of welded branch for ASME B31.3 are performed using the rules defined in section 304.3.3 of the code. The rules involve calculating the area removed from the header due to perforation in the branch and determining the replacement area available in the run pipe branch pipe and the reinforcement pad including the welds.
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302.3.5 of ASME B31.3 The weld joint strength reduction factor (W) is the ratio of the nominal stress to cause the failure of a weld joint to that of the corresponding base material for an increased or elevated temperature condition of the same duration.
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Note This temperature range is not fixed you can take any temperature ranges within the design temperature. See the below figure (fig. 4) to find out the allowable stress value for pipe A106Gr.B at temp. 38°C or 100°F we can find the value of allowable stress from Table A-1 of ASME B31.3 .
Get PriceProcess PipingThe Complete Guide to ASME B31.3ASME
The author is a long-serving member and present Chairman of the ASME B31.3 Process Piping Code committee. Dr. Becht explains the principal intentions of the Code covering the content of each of the Code s chapters. Book inserts cover special topics such as calculation of refractory lined pipe wall temperature spring design design for
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It is possible to set this parameter when using Asme B31.3 as well the consequence will be that Caesar will use corroded pipe in section moduli calculations not only for occasional and sustained cases but for thermal cases too. Regarding tolerance and corrosion EN 13480 is very similiar to Asme B31.1.
Get PriceASME B31.1 and ASME B31.3 General Requirements
• ASME B31.3 History • Water hammer calculations • Piping provided with internal refractory equivalent elasticity modulus (E) calculations • Pipes having an external pressure (vacuum) and examples It is highly recommended to bring a copy of ASME B31.1 and ASME B31.3 to better follow the training. SPECIFIC CHARACTERISTICS ASME B31.3
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Calculations for reinforcement of welded branch for ASME B31.3 are performed using the rules defined in section 304.3.3 of the code. The rules involve calculating the area removed from the header due to perforation in the branch and determining the replacement area available in the run pipe branch pipe and the reinforcement pad including the welds.
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Jul 26 2013 · In ASME B31.3-2006 edition a change was made so that there was now two formulas for pipe wall thickness in Chapter IX Eqn (34a) for carbon steel and eqn (34c) for austenitic stainless steel and certain nickel alloys note the carbon steel formula (34a) does not have the 1.155 factor in
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Jan 26 2012 · You can take credit for process fluid temperature as well as heat tracing and insulation to avoid A-333-6 etc. Study ASME Section VIII Division 1 UCS-66 and ASME B31.3 323.2.2 for other credits that can be taken to demonstrate suitability of A-106-B. It isn t often that you cannot use it. Regards SNORGY.
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So from Fig. 2 D= 114.3 mm. S Allowable Stress value of the Pipe Material (A 106-B) at Design Temperature (500° F). Refer to Table A-1 (or Table A-1M) of the ASME B31.3 (Fig. 3) for getting the value of the allowable stress. Travel in the horizontal (x) direction for allowable stress value and vertical (y) direction for pipe material and the match point to get the value (refer to Fig. 3).
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Branch Re-inforcement Calculator as per ASME B31.3. This calculator works on the basis of criteria specified in section 304.3.3 Reinforcement of Welded Branch Connections in ASME B31.3. This calculator calculates branch reinforcement for Internal Pressure. I have provided details of behind the back calculations at the bottom of this calculator.
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ASME B31.3 Calculation of Wall Temperature for Refractory-Lined Pipe In lines for high-temperature fluid solids (e.g. in fluid catalytic cracking units) it is sometimes necessary to calculate the metal temperature with an internal insulating refractory lining.
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High Pressure Fluid Service Pressure Design (para. K302.3.2) High Pressure Fluid Service Fatigue Analysis (paras. K302.3 K304.8) B31.3 is one of ASME s most requested codes. It serves as a companion to ASME s B31.1 Code on Power Piping as well as to the other codes in ASME s B31 series.
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LANL Engineering Standards Manual PD342 Chapter 17 Pressure Safety Section D20-B31.3-G ASME B31.3 Process Piping Guide Rev. 2 3/10/09 4 The Owner and Designer are responsible for compliance with the personnel and process qualification requirements of the codes and standards. In particular the application of ASME B31.3 requires compliance with the Inspector qualification
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If the material is not listed in ASME B31.3 Table A-1 the allowable stress has to be calculated. The basic allowable stress value for materials other than bolting materials cast iron and malleable iron are generally based on the lower of one-third of the tensile strength at temperature and two-thirds of the yield strength at temperature.
Get PriceASME B31.1 and ASME B31.3 General Requirements
• ASME B31.3 History • Water hammer calculations • Piping provided with internal refractory equivalent elasticity modulus (E) calculations • Pipes having an external pressure (vacuum) and examples It is highly recommended to bring a copy of ASME B31.1 and ASME B31.3 to better follow the training. SPECIFIC CHARACTERISTICS ASME B31.3
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Section 302.3.2 (d) of ASME B31.3 provides the basis of design stress or allowable stress for piping materials. As per this section the basic allowable stress values at temperature for materials other than bolting materials cast iron and malleable iron shall not exceed the lowest of the following for temperatures below the creep range (1
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by the following formula from ASME B31.3 Process Piping para 304.1 PD P(d 2c) 2(SEW PY) Stress Value for Material (Psig) 20000 Psig (20 KSI) 1 1.315 0.179 inch 2 SEW-P(1-Y) 0.4 0.118 0.85 20000 60 0.7 Pipe Wall Thickness Calculation followed ASME B31.3 Operating Pressure Min./Nor./Max. Psig Design Pressure 60 Design Temperature Pipe
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Jan 26 2012 · You can take credit for process fluid temperature as well as heat tracing and insulation to avoid A-333-6 etc. Study ASME Section VIII Division 1 UCS-66 and ASME B31.3 323.2.2 for other credits that can be taken to demonstrate suitability of A-106-B. It isn t often that you cannot use it. Regards SNORGY.
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Design Temperature °C Required Wall Thickness (including allowances) mm ASME B31.3 PROCESS PIPINGALLOWABLE DESIGN PRESSURE Ej Weld Joint Quality Factor (ASME B31.3 Table 302.3.4) Material Allowable Stress MPa (ASME B31.3 Table A-1M) S Coefficient Y (ASME B31.3 Table 304.1.1) Y c Pressure Design Thickness mm t Weld Joint Strength
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ASME B31.3 History Water hammer calcu ons Piping provided with internal refractory equivalent elas y modulus (E) calcul ons Pipes having an external pressure (vacuum) and examples It is highly recommended to bring a copy of ASME B31.1-2016 and ASME B31.3-2016 to er follow the training. ASME B31.3
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Design Temperature °C Required Wall Thickness (including allowances) mm ASME B31.3 PROCESS PIPINGALLOWABLE DESIGN PRESSURE Ej Weld Joint Quality Factor (ASME B31.3 Table 302.3.4) Material Allowable Stress MPa (ASME B31.3 Table A-1M) S Coefficient Y (ASME B31.3 Table 304.1.1) Y c Pressure Design Thickness mm t Weld Joint Strength
Get PriceProcess PipingThe Complete Guide to ASME B31.3ASME
The author is a long-serving member and present Chairman of the ASME B31.3 Process Piping Code committee. Dr. Becht explains the principal intentions of the Code covering the content of each of the Code s chapters. Book inserts cover special topics such as calculation of refractory lined pipe wall temperature spring design design for
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