GOST-2879-1988-ENG.pdf
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1、USSR STATE STANDARD HOT-ROLLED HEXAGONAL STEEL RANGE OF SIZES GOST 2879-88 (CMEA Standard 3897-82) Official Edition USSR STATE COMMITTEE FOR STANDARDS Moscow UDC 669.14 122:006.354Group B22 USSR STATE STANDARD HOT ROLLED HEXAGONAL STEEL Range of sizes GOST 2879-88 (CMEA Standard 3897-82) OKP (All-Un
2、ion Product Classification Code) 093100; 093200: 093300 Term from Jan 01, 1990 to Jan 01, 1995 Failure to comply with this Standard will result in legal proceedings 1. This Standard applies to hot rolled hexagonal steel with a diameter (d), as measured by the inscribed circle, within the range of 8
3、to 100 mm inclusive. 2. Depending upon the precision in manufacturing, hexagonal steel is classified into two grades: ;#high precision grade; #regular precision grade. 3. The diameter of the rolled steel (measured by the inscribed circle) and its allowed deviations, square area of the steel cross-se
4、ctions and mass per 1 m of length shall comply with the values specified on the figure and in table 1. Official Edition # # Reprinting is prohibited Standards Publishing House, 1988 -,-,- p. 2 GOST 2879-88 Table 1 Maximum allowed deviations for diameter (d ), mm Diameter of inscribed circle (d), mm*
5、UDGH#;Grade B Square area of cross section, cm2 Mass per 1 m of length, kg 8+0.10.55420.435 90.30.70150.551 10+0.30.8660.680 110.51.0480.823 12+0.21.2470.979 130.31.4631.15 141.6971.33 151.9481.53 162.2171.74 17+0.2+0.32.5031.96 180.30.52.8062.20 193.1262.45 203.4642.72 213.8223.00 22+0.2+0.44.1913.
6、29 240.40.54.9933.92 255.4124.25 265.8474.59 286.7905.33 307.7946.12 328.8686.96 3410.0107.86 36+0.2+0.411.2208.81 380.60.712.5109.82 4013.86010.88 4215.27011.99 4719.04014.95 4820.0015.66 5021.6416.99 52+0.2+0.423.4018.40 550.91.026.2020.58 6031.1824.50 6334.3726.98 65+0.3+0.536.5928.70 701.01.142.
7、4333.30 7548.7138.24 8055.4243.51 85+0.4+0.562.5749.12 901.21.370.1555.07 9578.1661.36 100+0.5+0.686.6067.98 1.51.7 N o t e s : 1. When requested by a customer, steel may be manufactured with the following diameters: 23, 27, 29, 41, 43, 46, 53, 56 or 57 mm with maximum allowed deviations as those sp
8、ecified in the table for the next smallest diameter. GOST 2879-88 p.3 2. The area of cross sections and mass per 1 m length are given for the nominal values. When calculating steel mass per 1 m length, the metal density shall be taken as equal to 7.85 g/cm2. The mass per 1 m of the steel length is g
9、iven for reference. 3. At the request of the customer, hexagonal steel of the regular precision grade with a diameter as measured with an inscribed circle equal to 26, 27, 28, 29 or 30 mm shall be fabricated with maximum deviations from +0.3 to 0.7 mm. 4. When agreed with a customer, the manufacture
10、r may fabricate rods of a diameter greater then 100 mm. 4. The rolled stock shall be manufactured in rods. By agreement with the customer, the rolled stock may be delivered coiled. 5. Rolled steel may be manufactured of 2 to 6 m length and delivered in: sized cuts; multiples of sized cuts; unsized c
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