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Brass strips

Brass strips

GOST 2208-2007 Brass foil, strips, sheets and plates. Technical requirements

Description

The strip is manufactured of the following brass grades:

  • CuZn10 with chemical composition according to GOST 15527
  • CuZn30 with chemical composition according to GOST 15527
  • CuZn32 with chemical composition according to GOST 15527
  • CuZn37 with chemical composition according to GOST 15527

Classification and range

Method of manufacturing:
  • cold-rolled – Д 
Section shape:
  • rectangular – ПР
Accuracy of manufacturing:
  • normal in thickness and width – Н 
  • normal in thickness and greater in width – K 
  • greater in thickness and normal in width – И 
  • greater in thickness and width – П
State of material:
  • soft – М 
  • half-hard – П
  • hard – Т
  • extra-hard – О  
Length:
  • off-gage – НД
     

Technical characteristics

Type

Thickness H, mm

Thickness tolerance, mm

Width B, mm

Width

tolerance, mm

Length, mm

Internal coil diameter 

ØID, mm

Coil weight, kg

Strip

0,10 – 0,80

from (-0,01) 

to (-0,06)

6 – 60

(-0,3)

off-gage

100 / 200 / 300 / 400

10 – 100

60 – 220 

from (-0,3)

to (-0,7)

50 – 500

0,81 – 1,50

from (-0,06) 

to (-0,07)

20 – 60

(-0,3)

off-gage

300 / 400 / 500

10 – 100

60 – 220 

from (-0,3)

to (-1,0)

50 – 500

Band

0,50 – 3,20

from (-0,04) 

to (-0,12)

50 – 220

from(-0,3)

to (-2,0)

1000 – 2000

Production of other sizes according to the agreed tolerance is possible.

Mechanical properties

Brass grade

State of material

Ultimate tensile strength σB,

MPа

Elongation δ, %

CuZn10

Soft

230 ÷ 340

≥36

Half-hard

290 ÷ 390

≥10

Hard

≥350

≥3

CuZn30

Soft

270 ÷ 360

≥40

Half-hard

340 ÷ 460

≥20

Hard

≥430

≥10

CuZn32

Soft

280 ÷ 370

≥42

Half-hard

340 ÷ 470

≥20

Hard

430 ÷ 540

≥10

Extra-hard

≥520

CuZn37

Soft

290 ÷ 400

≥38

Half-hard

340 ÷ 470

≥20

Half

410 ÷ 570

≥8

Extra-hard

510 ÷ 640

≥4

 Application

For manufacturing of electrical engineering products and general-purpose products.