Sulfur-free bronze. Stamps

Antifriction bronze
Sulfate-free bronze
Foundry bronze

Designation of deformable tin-free bronzes and chemical composition in accordance with GOST 18 175−78.

Bronze grade Fe Be А1 Mn Ti Si Ni Intended for:
BrA5 - - 4−6 - - - - bellows diaphragms, springs
BrA7 - - 6−8 - - - - diaphragms bellows, springs
БрАМц10−2 - - 9−11 1,5−2,5 - - - gears bushings, worm screws
БрАМц9−2 - - 8−10 1,5−2,5 - -   Sleeves, gears
BrAZh9−4 2−4 - 8−10 - - - - valve seats, gears, pressure screw nuts
BrAZHN10−4-4 2−4 - 9,5−11 - - - 3,5−5,5 valves, guide bushings, gears and other critical parts.
BrAJMc10−3-1.5 3,5−5,5 - 9−11 1−2 - - - gears, bushings, bearings
БрБ2 - 1,8−2,1 - - - - 0,2−0,5 elastic elements and springs
БрБНТ1,9 - 1,85−2,10 - - 0,1−0,25 - 0,2−0,4 elastic elements and springs
БрБНТ1,7 - 1,60−1,85 - - 0,10−0,25 - 0,2−0,4 elastic elements and springs
BrKMZ-1 - - - 1−1,5 - 2,75−3,5   bushings, springs, bearing shells
БрКН1−3 - - - 0,1−0,4 - 0,6−1,1 2,4−3,4 tanks, antifriction parts, tanks
BrMz5 - - - 4,5−5,5 - - - boiler furnaces

BrCr0,7 — Cr-0,4−1% TU 48−21−163−72 — electrodes, welding electrodes, heat-resistant windings, electrical contacts and parts

BrKd1 — Cd-0,9−1,2% GOST 4134−75 — trolling wires and collectors.

Deformable tin-free bronzes according to GOST 16 28−78.

Bronze grade Melting point, °C Density, g/cm³ ρ, (Ohmxmm²)/m Coefficient of linear expansion αx10−6, 1/°C Heat transfer coefficient, kal/(cm x x °C) E, kgf/mm² NV δ,% σ in kgf/mm² Annealing temperature,°C Temper. of heat treatment,°C
BrA5 1060 8,2 0,10 15,6 0,25 12 000 55−65 60−70 36−44 600−700 750−850
BrA5 1060 8,2 0,10 15,6 0,25 12 000 190−210 4−6 70−80 600−700  
BrA7 1040 7,8 0,11 17,8 0,19 12 000 65−75 65−75 44−50 600−700 750−850
BrA7 1040 7,8 0,11 17,8 0,19 12 000 200−220 2−4 95−103 600−700  
БрАМц9−2 1060 7,6 0,11 17,0 0,17 9200 110−130 20−40 40−50 650−750 750−850
БрАМц9−2 1060 7,6 0,11 17,0 0,17 9200 160−180 4−5 60−80 650−750  
BrAZh9−4 1040 7,5 0,12 16,2 0,14 11 600 100−120 35−45 40−50 - -
BrAZh9−4 1040 7,5 0,12 16,2 0,14 11 600 160−200 4−6 50−70 -  
БрАЖМц10−3-1,5 1045 7,5 0,19 16,1 0,14 10 000 125−140 20−30 40−50 650−750 750−850
BrAJMc10−3-1,5 1045 7,5 0,19 16,1 0,14 10 000 160−200 9−12 60−70 650−750  
BrAJN10−4-4 1084 7,5 0,19 17.1 0,18 11 500 130−150 35−45 45−55 700−750 800−900
BrAJN10−4-4 1084 7,5 0,19 17.1 0,18 11 500 180−220 9−15 75−83 700−750  
BrB2 955 8,2 0,07 16,6 0,20 13 100*2 130−150 40−50 40−60 530−650,790*3,320*5 750−800
BrB2 955 8,2 0,07 16,6 0,20 13 100*2 350*2 2 — 4 60−95 530−650,790*3,320*5  
BrB2 955 8,2 0,07 16,6 0,20 13 100*2   2 — 4   530−650,790*3,320*5  
БрБНТ1,9 860 8,3 0,09 16,5 0,24 13 000*2 120−140 30−50 40−60*1 530−650, 780*3, 320*5 700−800
БрБНТ1,9 860 8,3 0,09 16,5 0,24 13 000*2 340*2 1−3 60−90 530−650, 780*3, 320*5  
БрБНТ1,9 860 8,3 0,09 16,5 0,24 13 000*2   1−3   530−650, 780*3, 320*5  
БрБНТ 1,7 865 8,2 0,09 17,0 0,23 12 800*2 80−120 40−50 780*3, 300*5 650−700  
БрБНТ 1,7 865 8,2 0,09 17,0 0,23 12 800*2 150−240   780*3, 300*5    
БрБНТ 1,7 865 8,2 0,09 17,0 0,23 12 800*2   60−90 780*3, 300*5    
BrMz5 1047 8,6 0,20 20,4 0,26 10 500 70−90 35−45 30−36 800*1, 100 *5 750−850
BrMz5 1047 8,6 0,20 20,4 0,26 10 500 150−170 150−170 50−60 800*1, 100 *5  
BrKMZZ-1 - 8,4 0,25 18,0 0,11 11 500 70−90 50−60 35−40 700−750 750−850
BrKMZZ-1 - 8,4 0,25 18,0 0,11 11 500 150−170 6−8 65−75 700−750  
BrKN 1−3 1084 8,8 0,05 18,0 - - 80−100 25−30 40−45 840*3 800−910
BrKN 1−3 1084 8,8 0,05 18,0 - - 150−200 6−8 50−60 450*5  
BrKd 1 1076 8,9 0,02 - 0,82 - 50−70 35−45 26−34 950−1000 750−800
BrKd 1 1076 8,9 0,02 - 0,82 - 95−115 1,5−3,0 50−60 950−1000  
BrCr0.7 1084 8,9 0,02 - 0,80 13 800*4 50−70 25−35 22−25 1000*3 850−950
BrCr0.7 1084 8,9 0,02 - 0,80 13 800*4 130−140 4−6 45−50 1000*3  

Buy, price

Evek GmbH sells bronze products at the best price. It is formed taking into account the rates at the LME (London metal exchange) and depends on the technological features of production without additional costs. All batches of products have a certificate of quality for compliance with the standards. With us you can buy in bulk the most various products for large-scale productions. The wide choice, exhaustive consulting of our managers, reasonable prices and timeliness of delivery determine the face of our company. There is a system of discounts for wholesale purchases.