Bobon Copper

Products / C19400

C19400 Copper-Iron Strip

C19400 offers conductivity of 60 % IACS or better together with moderate strength and good solderability and plating behaviour. It is one of the most widely used lead frame and terminal alloys.

Equivalent designations

SystemDesignation
UNSC19400
ENCuFe2P / CW107C
JISC1940
GBQFe2.5 (TFe2.5)

Typical applications

  • Semiconductor lead frames
  • Automotive terminals
  • Connector pins and sockets
  • Busbars and clips
  • Shielding cans

Chemical composition (%)

ElementContent
Fe2.1 – 2.6
P0.015 – 0.15
Zn0.05 – 0.20
Cu≥ 97.0

Physical properties

PropertyValue
Density8.91 g/cm³
Elastic modulus121 GPa
Electrical conductivity≥ 60 % IACS

Tempers and tensile strength

TemperConditionTensile strength (MPa)
1/2H (H02)Half hard365 – 435
H (H04)Hard415 – 485
EH (H06)Extra hard460 – 505
SH (H08)Spring485 – 525
ESH (H10)Extra spring505 – 550

Values follow the limits of the governing standard. The mill test certificate for each lot states the measured values.

Supply range

ItemValue
ThicknessTO CONFIRM
WidthTO CONFIRM
FormCoil, slit to width
Minimum orderTO CONFIRM
Lead timeTO CONFIRM

Questions buyers ask

Is C19400 suitable for plated terminals?

Yes. It takes tin, nickel and silver plating well and is routinely supplied for reel-to-reel plated terminals and lead frames.

What documents come with each shipment?

The original mill test certificate for the heat lot, a packing list with coil numbers, and RoHS and REACH declarations.

Request a quotation

Send us the grade, temper, thickness, width and quantity. We reply within one working day.

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