Rolled bronze

Product name, GOST or TU Alloy Mark Thickness, mm Width, mm Length, mm State Bronze bands to produce resilient members and instrument components GOST 1761 BrOF 6,5-0,15 0,1-1,2 20 – 300   Soft, semi-hard, hard, extra hard 1,3-1,5 Soft, semi-hard, hard 1,6-2,0 Soft, semi-hard Bronze strips for the production of resilient members and instrument components BrOF 6,5-0,15 1,0 – 3,0 40 – 400 800–2000 Soft, semi-hard, hard, extra hard 4,0 60 – 400 800–2000 Soft, hard Tin-phosphorous bronze bands TU 48-0808-14-92 BrOF 6,5-0,15 0,40; 0,50; 0,65; 0,80 60   Hard Tin-phosphorous bronze bands TU 1846-00195375-006-2002 BrOF 6,5-0,15 0,25 – 0,60 50 - 400   Hard   Product name, GOST or TU Alloy Mark Outer diameter, mm Wall thickness, mm Length, mm State Wire TU 18469-106-082-2001 BrOF 6,5-0,4 3,0; 3,2; 3,4; 4,0     Soft Hard

Bronze chemical composition according to GOST 5017 (In percentage terms) Bronze Mark Basic elements Impurities, max Sn P Ni Cu Fe Pb Sb Bi Al Si Zn Total BrOF 6,5-0,15 6,0-7,0 0,10-0,25 - The rest 0,05 0,02 0,002 0,002 0,002 0,002 - 0,1 BrOF 6,5-0,4 6,0-7,0 0,26-0,40 0,10-0,20 The rest 0,02 0,02 0,002 0,002 0,002 0,002 0,03 0,1 Mechanical properties Rolled metal name GOST (TU) State Point of maximum load, s, MPa (kgf/mm 2) Elongation, d , %, min Tensile yield strength, s 02, MPa (kgf/mm 2) Vickers hardness, HV Bands, strips GOST 1761 Soft 290 (30) min 35; 38 * 130 (13) min - Semi-hard 440 – 570 (45-58) 8; 10 * 370 – 540 (38 – 55) - Hard 570 – 740 (58-76) 3; 5 * 540-710 (55 – 72) - Extra hard 740 (76) min - 710 (72) min - Bands TU 48-0808-14-92 Hard 59 -70 5 - - Tin-phosphorous bronze bands TU 1846-00195375-006-2002 Hard 570 - 740 3 - - Wire TU 18469-106-082-2001 Soft 382 – 480 (39-49) 55 - - Hard 529 (54) min 5 - - * The limit value of elongation is for bands with a thickness of less than 0.5 mm and 0.5 mm and over respectively.

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