Alloy properties:

UM19900/UM19910 is a steel alloy material or a blue steel material, which is a typical time-hardening high-strength high-strength steel alloy, which gives mechanical and physical performance to the steel alloy. Has excellent anti-slip, anti-fatigue, abrasion resistance, heat rot resistance, and cold heat processing performance. Replacement parts for electrical equipment, electrical terminals, high-end electrical connections, electrical connection cables, high-speed terminal internal cables, electrical appliances, etc.

Chemical Composition:

Standard

Copper (Cu)

Steel (Ti)

Iron

Y + La

Other

UNS Standard

Surplus

2.9-3.5%

0.17-0.23%

--

--

Corporate Standards

Surplus

3.0-3.3%

0.19-0.21%

≤ 0.12

≤1.0

Physical performance:

Density g/ ^cm3

8.7

Elasticity model GPa

125

Thermal expansion coefficient x10 ^-6 / K

--

Conductivity %IACS

10

Heat conductivity W/(m k )

67

Mechanical performance:

Bending performance

Item

Status

Virus hardness HV

Extension test

90°R/T(Thickness ≤ 0.5mm)

Stretch resistance MPa

Yield strength MPa

Elongation %( _A50 )

Good way

Bad way

Japan RK

H

300

900-1000

800-900

≥12

0

0

Corporate Standards

H

280-310

880-1000

780-900

≥12

0

0

Japan RK

E.H.

310

920-1020

850-950

≥10

0

0.5

Corporate Standards

E.H.

300-320

920-1020

850-950

≥10

0

1

Japan RK

SH

320

970-1100

900-1000

≥6

0

1

Corporate Standards

SH

310-330

970-1100

900-1000

≥6

0

1.5

Japan RK

ESH

340

1010-1200

950-1050

≥3

1

2

Corporate Standards

ESH

≥340

1010-1200

950-1050

≥3

1

2