This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of metal violin strings. This standard applies to metal violin strings. QB/T 1818-1993 Metal Violin Strings QB/T1818-1993 Standard download decompression password: www.bzxz.net

Light Industry Industry Standard of the People's Republic of China
Metal Violin Strings
Subject Content and Scope of Application
QB/T 1818—1993
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of metal violin strings. This standard applies to metal strings for violins. Reference Standards
QB/T 1817
Product Classification
General Technical Conditions for Strings
Should meet the requirements of QB/T1817.
4 Technical Requirementsbzxz.net
4.1 Acoustic Quality
4.1.1 Tone
Should meet the requirements of Table 1.
High-end products
Intermediate productsPopular products
The treble is bright, the bass is full, the four strings are balanced, the pronunciation is sensitive, the timbre is uniform, the sound is soft, the treble is bright, the bass is full, and the four strings are basically balanced. 4.1.2 The tuning pitch and the lowest upper deviation pitch should meet the requirements of Table 2.
Violin strings
Vola strings
String names and serial numbers
Approved by the Ministry of Light Industry of the People's Republic of China on July 29, 1993. String pitch. Hz
Minimum upper deviation pitch
Implemented on March 1, 1994
Cello strings
Double bass strings
QB/T1818—1993
Continued Table 2
String names and serial numbers
4.2 Specifications, dimensions and diameter uniformity allowable deviations shall comply with the requirements of Table 3.
String names and serial numbers
4.3 Physical properties
Should comply with the requirements of Table 4.
String length
≥500
≥560
≥510
≥1050
≥1090
≥1080
≥1040
≥1670
≥1720
≥1720
≥1670
Tuning pitch, Hz
Diameter uniformity allowable deviation
Intermediate grade
Advanced grade
≤±0.01
<±0.02
≤±0.03
≤±0.03
≤±0. 04 | |tt | 0.10 | |tt | KAoNiKA
Violin strings
Vola strings
Cello strings
Double bass strings
QB/T 1818—1993
Total tension of each string T,N
High-grade products
216~235
235~255
255~274
430~500
500~550
550~620
4.4 Appearance
Should meet the requirements of Article 4.2a~b of QB/T1817. 5 Test methods
Should meet the requirements of the corresponding clauses in Chapter 5 of QB/T1817. 6 Inspection rules
Should meet the requirements of Chapter 6 of QB/T1817.
7 Marking, packaging, transportation, storage
Should meet the requirements of Chapter 7 of QB/T1817.
Additional notes:
This standard is proposed by the Quality Standards Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Musical Instrument Standardization Center. This standard is drafted by the Guangzhou String Factory. Intermediate products
225284
265~305
440-690
1 070～1180
Popular products
Elongation, %
The main drafters of this standard are Li Lin and Mai Biantang. From the date of implementation of this standard, the former Ministry of Light Industry standard SG352-1983 "4/4 violin metal strings" will be invalid. 131
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