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Ohmalloy Material Co.,Ltd

Good quality Bimetallic Strip for sales
Good quality Bimetallic Strip for sales
I search for Nichrome plate long time, and successfully bought it from Ohmalloy material. OHMALLOY provide real good service in alloy service and can always help me in finding the correct resistance alloy.

—— Mike Harness

OHMALLOY can provie me only 1kg Kovar alloy wire 1.0mm with short time, that is really amazing. Thanks

—— Janey

Really professional in thermocouple wire and cable, what i want just can get from OHMALLOY

—— Chris

Enamelled Constantan 0.08mm, i never expect to get only 2kg of it. But OHMALLOY supply it to me with good quality. God Jesus! Such a reliable supplier from china

—— Aaron

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Type K Bare Thermocouple Wire CHROMEL vs ALUMEL

China Type K  Bare Thermocouple Wire CHROMEL vs ALUMEL supplier
Type K  Bare Thermocouple Wire CHROMEL vs ALUMEL supplier Type K  Bare Thermocouple Wire CHROMEL vs ALUMEL supplier

Large Image :  Type K Bare Thermocouple Wire CHROMEL vs ALUMEL

Product Details:

Brand Name: Ohmalloy

Payment & Shipping Terms:

Minimum Order Quantity: 5kgs
Price: USD 25-USD35/KGS
Packaging Details: spool+ctn
Delivery Time: 10work days
Payment Terms: T/T, L/C, Western Union
Supply Ability: 2000kgs/7days
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Detailed Product Description
Material: NiCr+NiAl Application: Thermocouple Wire
Type: K Surface: Bright
Size: All Size Available Standard: ASTM,ANSI,JIS,IEC,IEC584

TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.

1. Chemical Composition


Material Chemical composition (%)
Ni Cr Si Mn Al
KP(Chromel) 90 10      
KN(Alumel) 95   1-2 0.5-1.5 1-1.5



2. Physical properties and Mechnical properties









Melting point℃)


Tensile Strength(Mpa)


Volume resistivity(μΩ.cm)


Elongation rate (%)

KP(Chromel) 8.5 1427 >490 70.6(20℃) >10
KN(Alumel) 8.6 1399 >390 29.4(20℃) >15


3. EMF Value range at different temperature


Material EMF value Vs Pt(μV)
100℃ 200℃ 300℃ 400℃ 500℃ 600℃
KP(Chromel) 2816~2896 5938~6018 9298~9378 12729~12821 16156~16266 19532~19676
KN(Alumel) 1218~1262 2140~2180 2849~2893 3600~3644 4403~4463 5271~5331


EMF value Vs Pt(μV)
700℃ 800℃ 900℃ 1000℃ 1100℃
22845~22999 26064~26246 29223~29411 32313~32525 35336~35548
6167~6247 7080~7160 7959~8059 8807~8907 9617~9737

Contact Details
Ohmalloy Material Co.,Ltd

Contact Person: Jiang

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