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Beryllium bronze rod

Beryllium bronze rod

Chemistry element　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　%
trademark main element impurity content
Be Ni Co Ti Mg Cu Al Fe Pb Si Co
QBe2 1.80-2.1 0.20-0.50 - - - allowance 0.15 0.15 0.005 0.15 -
QBe1.9 1.85-2.1 0.20-0.40 - 0.10-0.25 - allowance 0.15 0.15 0.005 0.15 -
QBe1.9-0.1 1.85-2.1 0.20-0.40 - 0.10-0.25 0.07-0.13 allowance 0.15 0.15 0.005 0.15 -
QBe1.7 1.60-1.85 0.20-0.40 - 0.10-0.25 - allowance 0.15 0.15 0.005 0.15 -
QBe0.6-2.5 0.40-0.70 - 2.40-0.70 - - allowance 0.20 0.10 - 0.20 -
Qbe0.4-1.8 0.20-0.60   - - - allowance 0.20 0.10 - 0.20 0.30
QBe0.1-1.5 0.25-0.50 - 1.40-1.70 - - allowance 0.20 0.10 - 0.20 -
  
Note: the Chemistry element of the QBe2、QBe1.9、QBe1.9-0.1、QBe1.7 is same as GB5238-85.
　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
　　Nominal diameter and error allowance　　　　　　　　　　　　　　　　　　　　　　　　　 mm
pull club extrusion club(R)
diameter 5-10 >10-15 >15-20 >20-30 >30-40 diameter >20-30 >30-50 >50-80 >80-120
allow
warp		 senior -0.08 -0.1 -0.12 -0.14 -0.17 senior -0.84 -1.0 -0 -
common -0.16 -0.2 -0.24 -0.28 -0.34 common -1.3 -1.6 -1.9 -2.2
  

Note: 1.must give clear indication of the diameter error allowance of rod in the contract, or supply
　　　the ordinary production.

　　　2. length specification: the error allowance of the fixed length and multiple lengths is +20mm.
　　　Multiple lengths must include saw cutting quantity when cutting aluminum in subsection, every
　　　cutting quantity is 5mm.
 
　　bending strength
produce way　diameter bending strength per meter is no more than Max.
φ5-20 φ>20-40 φ>40-80 φ>80-120
pull 5 4 - -
extrusion - 6 10 13
  
Note: The total bending strength must be less than the product of bending strength per meter and total 　　　length(meter)..
 
　　Mechanics performance
alloy cards estate diamtor anti-tensile strength
σbMPa more than Min		 extension ratio
δ% more than Min		 hardness must be more than Min
HRB HB
QBe2
QBe1.9
QBe1.9-0.1


QBe1.7 		M 5-40 400 30 - 100
R 20-120 400 20 - -
D
Y2 		35-100
5-40 		500-660 8 78 -
Y 5-10 660-900 2 - 150
>10-25 620-860 2
>25 590-830 2
QBe0.6-2.5
QBe0.4-1.8
QBe0.3-1.5		 M 5-40 240 20 ＋50 -
Y 450 2 60 -
  
Note: The hardness is tested only if it is clearly indicated in contract; and there is not hardness test when the diameter of the rod is less than 16mm.
 
　　Mechanics performance、material situation and aging technics after heat processing.
alloy cards estate diamtor anti-tensile strength
σbMPa more than Min		 extension ratio
δ% more than Min		 hardness must be more than Min technics
HRB HB
QBe2
QBe1.9
QBe1.9-0.1
QBe1.7 		TF00 5-40 1000-1380 2% 30-40 - 320＼5≧X3h
TH04 5-10 1200-1500 1% 30-45 - 320＼5≧X2h
>10-25 1150-1450 1% 35-44 - 320＼5≧X3h
>25 1100-1400 1% 34-44 - 320＼5≧X3h
QBe0.6-2.5
QBe0.4-1.8
QBe0.3-1.5		 TF00 5-40 690-895 6% - 92-100 480＼5≧X3h
TH04 760-965 3% - 95-102 480＼5≧X3h