positive and negative curves

positive and negative curves, Total:150 items.

The international standard classification for "positive and negative curves" includes: Wires , Electric tools , Mechanical testing of metals , Grinding and polishing machines , Belt drives and their components , Saws .

The Chinese standard classification for "positive and negative curves" includes: Bare wire , Electric tool , Metal processing property test method , Metal mechanical property test method , Grinding machine , Chain drive, belt drive and key joint , Cutting tools .

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General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 7924-2004 Optical projection profile grinding machines. Parameters
• GB/T 4909.5-1985 Test methods for bare wires--Bend test--Reverse bend test
• GB/T 238-2002 Metallic materials - Wire - Reverse bend test
• GB/T 4909.5-2009 Test methods for bare wires - Part 5: Bend test - Reverse bend test
• GB/T 4909.6-1985 Test methods for bare wires--Bend test--Single bend test
• GB/T 22680-2008 Jig saws
• GB/T 7924-1987 Optical projection profile grinding machines--Parameters
• GB/T 238-2013 Metallic materials—Wire—Reverse bend test
• GB/T 24619-2009 Curvilinear toothed synchronous belt drives

Group Standards of the People's Republic of China

• T/QGCML 4338-2024 Assembly of small radius curve bridges
• T/SXCAA 012-2021 Guidelines for Quality Control of Linear Calibration Curves
• T/ZZB 2043-2021 Jigsaw blades
• T/ZZB 0496-2018 Jig saws

Professional Standard - Light Industry

• QB/T 4267-2011 Curve saw blade

Liaoning Provincial Standard of the People's Republic of China

• DB21/T 2104-2013 Calibration procedure for metal wire repeated bending test machine

Professional Standard - Machinery

• JB/T 3973-1999 Electric jig saws

Professional Standard - Aviation

• HB 7-1-1968 error curve clamp

Professional Standard - Railway

• TB/T 1350-1983 Widening of railway curve gauge

Taiwan Provincial Standard of the People's Republic of China

• CNS 9766-1982 Double Curve Pen for Drawing Instruments

Guizhou Provincial Standard of the People's Republic of China

• DB52/T 824-2013 Soft width relative tree height curve table
• DB52/T 776-2012 Cypress Relative Tree Height Curve Table
• DB52/T 710-2011 The relative tree height curve table of Chinese fir
• DB52/T 828-2013 Hard-width relative tree height curve table

Hebei Provincial Standard of the People's Republic of China

• DB13/T 5387-2021 Technical Guidelines for Revision and Measurement of Reservoir Capacity Curve and Review and Correction of Eigenvalues

Professional Standard - Ferrous Metallurgy

• YB/T 5126-1993 Steel reinforcement bar-Plane rebend test method
• YB/T 5126-2003 Steel bars for reinforcement of concrete—Bend and rebend tests

BE-NBN

• NBN-ISO 226:1992 Acoustics. Normal equal-loudness level contours
• NBN 576-11-1970 acoustics. Noise evaluation curve

TH-TISI

• TIS 2175-2004 Reverse bend test for metallic wire [iso title: metallic materials.wire.reverse bend test]
• TIS 2176-2004 Torsion test for metallic wire [iso title: metallic materials.wire.simple torsion test]

CZ-CSN

• CSN 42 0422-1983 Reverse bend testing of wire
• CSN ISO 7801:1994 Metallic materials. Wire. Reverse bend test
• CSN 02 2928-1967 Lock wire rings curved
• CSN 02 1733-1979 Curved washer
• CSN 02 1734-1979 Curved washer
• CSN ON 12 0327-1964 Curved round tube set
• CSN 90 2310-1953 Curved board Myanmar combination
• CSN ON 12 0329-1964 Curved round tube. The third group

RU-GOST R

• GOST R ISO 226-2009 Acoustics-Normal equal-loudness-level contours
• GOST 1579-1993 Wire. Bend test method
• GOST 300-1969 Curvemeters
• GOST 15634.3-1970 Magnet wire. Method of the bending test
• GOST 9735-1987 Profile grinders. Standards of accuracy

BR-ABNT

• ABNT EB-350-1971 Accessories for ovens (feedback curves)
• ABNT PB-606-1980 Still water curve table
• ABNT MB-241-1972 Flexibility test (straightness)
• ABNT PB-519-1979 Turnout. Broad gauge group. curve stiffness

International Organization for Standardization (ISO)

• ISO 144:1973 Steel - Reverse bend testing of wire
• ISO 2625:1973 Copper and copper alloys — Reverse bend testing of wire
• ISO/CD 7801 Metallic materials — Wire — Reverse bend test
• ISO 7801:1984 Metallic materials; Wire; Reverse bend test
• ISO/DIS 7801:2023 Metallic materials — Wire — Reverse bend test
• ISO 226:2023 Acoustics — Normal equal-loudness-level contours
• ISO 226:1987 Acoustics; Normal equal-loudness level contours
• ISO 10065:1990 Steel bars for reinforcement of concrete - Bend and rebend tests
• ISO 21914:2019 Test methods for fibre-reinforced cementitious composites — Bending moment — Curvature curve by four-point bending test
• ISO/TR 7861:2003 Road vehicles - Injury risk curves for evaluation of occupant protection in frontal impact
• ISO/IEC 15946-5:2022 Information security — Cryptographic techniques based on elliptic curves — Part 5: Elliptic curve generation

YU-JUS

• JUS U.C4.052-1990 Caaages of direction in the borizontal plane. Traosition curve. Horizontal cur~ es. Compound curves
• JUS U.C4.080-1994 Designing of roads - Speedy design - Chart of speed

RO-ASRO

• STAS SR ISO 7801:1993 Metallic materials. Wire. Reverse bend test
• STAS 7394-1966 Shape and orientation tolerances. Frontal and radial curve tolerances
• STAS 7273-1984 YARNS Determination of twist

Institute of Electrical and Electronics Engineers (IEEE)

• IEEE 1459-2010 Definitions for the Measurement of Electric Power Quantities Under Sinusoidal, Nonsinusoidal, Balanced, or Unbalanced Conditions
• IEEE 1459-2000 Trial-use standard definitions for the measurement of electric power quantities under sinusoidal, nonsinusoidal, balanced, or unbalanced conditions

American Railway Engineering and Maintenance-of-Way Association (AREMA)

• AREMA CH 5-3-1995 Curves

VN-TCVN

• TCVN 1826-2006 Metallic materials.Wire.Reverse bend test
• TCVN 6287-1997 Steel bars for reinforcement of concrete.Bend and rebend tests

GSO

• GSO ISO 7801:2015 Metallic materials -- Wire -- Reverse bend test
• OS GSO ISO 7801:2015 Metallic materials -- Wire -- Reverse bend test
• GSO ISO 17132:2013 Paints and varnishes - T-bend test

South African Bureau of Standard

• SANS 7801:2003 Metallic materials - Wire - Reverse bend test
• SANS 5515:2007 Flexing test on flexible cords

Korean Agency for Technology and Standards (KATS)

• KS B ISO 7801-2015 Metallic materials－Wire－Reverse bend test
• KS B ISO 7801-2002(2012) Metallic materials－Wire－Reverse bend test
• KS B ISO 7801:2015 Metallic materials－Wire－Reverse bend test
• KS B ISO 7801:2002 Metallic materials-Wire-Reverse bend test
• KS D ISO 10065:2002 Steel bars for reinforcement of concrete &##8211;Bend and rebend tests
• KS R ISO 7861:2008 Road vehicles－Injury risk curves for evaluation of occupant protection in frontal impact
• KS R ISO 7861-2023 Injury risk curves for road vehicle assessment of passenger protection against frontal impacts

Indonesia Standards

• SNI 07-4611-1998 Reverse bend test for metallic material wires

AREMA - American Railway Engineering and Maintenance-of-Way Association

• CHAPTER 5/PART 3-2001 Curves (Volume 1/Track)
• CHAPTER 5/PART 3-2000 Curves (Volume 1/Track)

SE-SIS

• SIS SS 11 26 22-1983 Metallic materials - Wire - Reverse bend test

HU-MSZT

• MSZ 1541-1963 hand curve
• MI 11290/5-1980 Thermal element character curve
• MNOSZ 700-2.lap-1955 Coal test curve editor

American National Standards Institute （ANSI)

• ANSI/IEEE C37.112:1996 Standard Inverse-Time Characteristic for Overcurrent Relays

German Institute for Standardization

• DIN ISO 7801:2008-10 Metallic Materials - Wire - Reverse bend test (ISO 7801:1984)
• DIN ISO 226 E:2001-11 Acoustics - Normal equal-loudness-level contours

Society of Automotive Engineers (SAE)

• SAE AS84D-2014 Splines, Involute (Full Fillet)
• SAE J2597-2010 Computer Generated Shot Peening Saturation Curves
• SAE J2597-201709 Computer Generated Shot Peening Saturation Curves
• SAE J2597-2017 Computer Generated Shot Peening Saturation Curves

IT-UNI

• UNI 5528-1964 Rasps. Keyhole rasps.

ESDU - Engineering Sciences Data Unit

• ESDU 81033 A-1982 Atlas of performance curves for crank-rocker and slider-crank linkages.
• ESDU 85031 F-1995 Crack resistance curves.
• STRUCT 02.01.09 B-1976 Inter-rivet buckling curves for specific materials.
• AERO C.01.01.04 A-1980 Effect of gap on the slope of lift curve and slope of lift increment curve due to control surface deflection.
• ESDU 75014-1975 Flexibilities of and stresses in thin pipe bends under in-plane bending: influence of bend angle and tangent pipe ends.
• AERO W.01.01.05 E-2007 Slope of lift curve for two-dimensional flow. (Incorporates Amendments A@ B@ C@ D@ and E)
• ESDU 01011 B-2007 Compendium of curves and approximating algebraic functions.

Standard Association of Australia （SAA）

• AS 60068.2.6:2003 Environmental testing - Tests - Test Fc: Vibration (sinusoidal)
• AS 1469C:1973 Noise rating curves

WRC - Welding Research Council

• BULLETIN 459-2001 FRACTURE TOUGHNESS MASTER CURVE DEVELOPMENT: MASTER CURVE STRATEGIES FOR RPV ASSESSMENT

PL-PKN

• PN C04001-1967 Petroleum Determination of curve of the veritabies boilings tempera?ures and of curves of the physicols and chemicals properties
• PN M66351-1968 Press tools Straigbt lin? and curve eutting off die

CH-SNV

• SNV 81057-1958 Horizontal drop curve
• SN 218 321-1984 Thermoplastic pipelinesUnplasticized polyvinyl Chloride (PVC) pipes and fittingsQuality requirements
• VSM 18726.1-1965 Coarse sand abrasive. grinding curve

Danish Standards Foundation

• DS 10111:1980 Stress-strain curve for steel for reinforcement. Construction of an average strainstress curve
• DS/EN 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)

SCC

• AWWA ACE56307 UV Disinfection of Filtered Water Supplies: Water Quality Impacts on MS2 Dose-Response Curves
• CSA C22.2 No.0.12-2019(R2024) Wiring space and wire bending space in enclosures
• AWWA JAW26122 Journal AWWA — System Curves and Pump Selection
• BS ISO/IEC 15946-5:2009 Information technology. Security techniques. Cryptographic techniques based on elliptic curves-Elliptic curve generation
• CSA ISO/IEC 15946-5:2023 Information security — Cryptographic techniques based on elliptic curves — Part 5: Elliptic curve generation
• CAN/CSA-ISO/IEC 15946-5-2023 Information security — Cryptographic techniques based on elliptic curves — Part 5: Elliptic curve generation

American Society for Testing and Materials (ASTM)

• ASTM F1832-07(2017) Standard Test Method for Determining the Force-Draw and Let-Down Curves for Archery Bows
• ASTM F1832-97 Standard Test Method for Determining the Force-Draw and Let-Down Curves for Archery Bows

Japanese Industrial Standards Committee (JISC)

• JIS E 2223:1957 Curve ears (for trolley bus)
• JIS E 2222:1957 Curve hangers (for trolley bus)
• JIS E 2226:1957 Curve runners (for trolley bus)

British Standards Institution (BSI)

• BS ISO/IEC 15946-5:2022 Information security. Cryptographic techniques based on elliptic curves. Elliptic curve generation
• BS ISO 226:2003 Acoustics - Normal equal-loudness-level contours
• BS EN ISO 11357-5:2014 Plastics. Differential scanning calorimetry (DSC). Determination of characteristic reaction-curve temperatures and times, enthalpy of reaction and degree of conversion

Spanish Association for Standardization (UNE)

• UNE 48254:1994 PAINTS AND VARNISHES. TEST METHOD FOR DETERMINATION OF IMPARED REFLECTANCE CURVE OF PAINTS.
• UNE 40 002 Line testing. twist ok

IN-BIS

• IS 9001 Pt.8-1981 Environmental Testing Guidelines Part X Vibration (Sinusoidal) Testing

VDE - VDE Verlag GmbH@ Berlin@ Germany

• VDE 0472-603-1989 Testing of cables@ wires and flexible cords; bending behaviour

Electronic Components, Assemblies and Materials Association

• ECA TEP197-A-1997 Preparation of X-Radiation Characteristic Curves for Cathode Ray Tubes

Defense Logistics Agency

• DLA A-A-50206A VALID NOTICE 1-2001 RULER, DRAFTING, ADJUSTABLE CURVE
• DLA A-A-50206 A VALID NOTICE 2-2007 RULER, DRAFTING, ADJUSTABLE CURVE
• DLA A-A-50206A-1988 RULER, DRAFTING, ADJUSTABLE CURVE

American Society of Mechanical Engineers (ASME)

• ASME STP-PT-081-2017 Cyclic Stress-Strain Curves

Association of German Mechanical Engineers

• VDI/VDE 3699 Blatt 4-1997 Process control with screens - Curves
• DVS 2613-2004 Reflow soldering temperature profile optimization

Association Francaise de Normalisation

• NF S30-003*NF ISO 226:2004 Acoustics - Normal equal-loudness-level contours
• NF S30-010:1974 Acoustique - Courbes NR d'évaluation du bruit.
• NF T12-018:1987 Pulps. Determination of kappa number.

Canadian Standards Association (CSA)

• CSA C22.2 No.0.12-2019 Wiring space and wire bending space in enclosures

TIA - Telecommunications Industry Association

• TIA/EIA-455-44B-1992 FOTP-44 Refractive Index Profile@ Refracted Ray Method

International Telecommunication Union (ITU)

• ITU-R PN.370-6-1994 VHF and UHF Propagation Curves for the Frequency Range from 30 MHz to 1 000 MHz

AASHTO - American Association of State Highway and Transportation Officials

• T 272-2010 Standard Method of Test for Family of Curves—One Point Method

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

• ASHRAE 3897-1995 On-Line Prediction for Load Profile of An Air-Conditioning System

United States Navy

• NAVY MIL-M-18550 (1)-1957 METER, FREQUENCY, RF, LM SERIES
• NAVY MIL-M-18550-1956 METER, FREQUENCY, RF, LM SERIES

PT-IPQ

• NP 297-1963 Dessin technlque. Cotation

AT-ON

• ONORM E 1363-1971 Apparalus for flexing lest of cords.

(U.S.) Ford Automotive Standards

• FORD FLTM BI 163-01-2004 RHEOLOGICAL TESTING FOR DETERMINING THE REACTIVITY PROFILE OF HEM FLANGE ADHESIVES

Others: positive and negative curves