Products Categories

Fe-Cr-Al Alloys
- Round Wire
  - 0Cr13Al4
  - 0Cr15Al5
  - 0Cr19Al2
  - 0Cr21Al4
  - 0Cr21Al6
  - 0Cr25Al5
  - 0Cr21Al6Nb
  - 0Cr27Al7Mo2
- Electrothermal strip
  - 0Cr13Al4
  - 0Cr15Al5
  - 0Cr19Al2
  - 0Cr21Al4
  - 0Cr21Al6
  - 0Cr25Al5
  - 0Cr21Al6Nb
  - 0Cr27Al7Mo2
- Flat Wire
  - 0Cr13Al4
  - 0Cr15Al5
  - 0Cr19Al2
  - 0Cr21Al4
  - 0Cr21Al6
  - 0Cr25Al5
  - 0Cr21Al6Nb
  - 0Cr27Al7Mo2
- Electric furnace wire
  - 0Cr13Al4
  - 0Cr15Al5
  - 0Cr19Al2
  - 0Cr21Al4
  - 0Cr21Al6
  - 0Cr25Al5
  - 0Cr21Al6Nb
  - 0Cr27Al7Mo2
- Flat Strip
  - 0Cr13Al4
  - 0Cr15Al5
  - 0Cr19Al2
  - 0Cr21Al4
  - 0Cr21Al6
  - 0Cr25Al5
  - 0Cr21Al6Nb
  - 0Cr27Al7Mo2
- Bar
  - 0Cr13Al4
  - 0Cr15Al5
  - 0Cr19Al2
  - 0Cr21Al4
  - 0Cr21Al6
  - 0Cr25Al5
  - 0Cr21Al6Nb
  - 0Cr27Al7Mo2
Nickel-chromium Alloys
- Wire
  - Cr25Ni20
  - Cr20Ni30
  - Cr20Ni35
  - Cr15Ni60
  - Cr20Ni80
  - Cr30Ni70
- Electrothermal strip
  - Cr25Ni20
  - Cr20Ni30
  - Cr20Ni35
  - Cr15Ni60
  - Cr20Ni80
  - Cr30Ni70
- Flat Wire
  - Cr25Ni20
  - Cr20Ni30
  - Cr20Ni35
  - Cr15Ni60
  - Cr20Ni80
  - Cr30Ni70
- Electric furnace wire
  - Cr25Ni20
  - Cr20Ni30
  - Cr20Ni35
  - Cr15Ni60
  - Cr20Ni80
  - Cr30Ni70
- Flat Strip
  - Cr25Ni20
  - Cr20Ni30
  - Cr20Ni35
  - Cr15Ni60
  - Cr20Ni80
  - Cr30Ni70
- Bar
  - Cr25Ni20
  - Cr20Ni30
  - Cr20Ni35
  - Cr15Ni60
  - Cr20Ni80
  - Cr30Ni70
Cn/Mn-Cu Alloys
- Wire
  - 6J12
  - 6J8
  - 6J13
  - 6J40
  - CuMn7SN
  - CuMn30Ni5
- Flat Wire
  - 6J12
  - 6J8
  - 6J13
  - 6J40
  - CuMn7SN
  - CuMn30Ni5
- Flat Strip
  - 6J12
  - 6J8
  - 6J13
  - 6J40
  - CuMn7SN
  - CuMn30Ni5
- Bar
  - 6J12
  - 6J8
  - 6J13
  - 6J40
  - CuMn7SN
  - CuMn30Ni5
Cu-Ni Alloys
- Wire
  - CuNi1
  - CuNi2
  - CuNi6
  - CuNi8
  - CuNi10
  - CuNi14
  - CuNi19
  - CuNi23
  - CuNi30
  - CuNi34
  - CuNi44
- Flat Wire
  - CuNi1
  - CuNi2
  - CuNi6
  - CuNi8
  - CuNi10
  - CuNi14
  - CuNi19
  - CuNi23
  - CuNi30
  - CuNi34
  - CuNi44
- Flat Strip
  - CuNi1
  - CuNi2
  - CuNi6
  - CuNi8
  - CuNi10
  - CuNi14
  - CuNi19
  - CuNi23
  - CuNi30
  - CuNi34
  - CuNi44
- Bar
  - CuNi1
  - CuNi2
  - CuNi6
  - CuNi8
  - CuNi10
  - CuNi14
  - CuNi19
  - CuNi23
  - CuNi30
  - CuNi34
  - CuNi44
Precision Alloys
- Wire
- Flat Wire
- Flat Strip
- Bar
Ni-Al Alloys
- Wire ＆ Welding
  - Ni95Al5
Pure Nickel Alloys
- Wire
  - N4(Ni201)
  - N6(Ni200)
- Flat Wire
  - N4(Ni201)
  - N6(Ni200)
- Flat Strip
  - N4(Ni201)
  - N6(Ni200)
- Bar
  - N4(Ni201)
  - N6(Ni200)
Monel Alloys
- Wire
- Flat Wire
- Flat Strip
- Steel Bar
- Bolts ＆ Fasteners
- Flange ＆ Ring
- Wire ＆ Welding
Hastelloy Alloys
Inconel Alloys
Incoloy Alloys
Haynes Alloys
- Wire
- Flat Wire
- Flat Strip
- Bar

Featured Module

Nickel-chromium Alloys Flat Wire Cr30Ni70

Place of Origin Jiangsu,China
Model Number Nickel-chromium Alloys Flat Wire Cr30Ni70
Trade Names Ultra-High Temp Industrial Material
Dimensions Customized Size
Delivery Conditions Grinding. Polished. Bright.
Avaliable Shapes Wire.Customized
MOQ 50~200 (KG)
Production Standards GB/T 1234-2010
Packaging Details Wooden Case, or as per Client's request
Payment Terms L/C, T/T, Western Union, MoneyGram
Trade Terms FOB, CIF, DDP, DAP, EXW
Delivery Time 20~60 days

product details

Overview

Cr30Ni70 Nickel-Chromium Alloy Flat Wire delivers exceptional corrosion resistance and ultra-high temperature stability (up to 1250°C) with a high nickel content (70% Ni), tensile strength ≥780 MPa, and low resistivity (1.05 μΩ·m at 20°C). Featuring customizable surface finishes (bright annealed/pickled) and precision dimensions (thickness 0.1-12mm, width 5-200mm), it is engineered for chemical processing, industrial furnaces, aerospace, and new energy applications under extreme conditions.

Limiting Chemical Composition, %

Chromium..................................................................................................................................30.0

Aluminum..................................................................................................................................70.0

Fe & trace elements

Material Characteristics

Density	about 8.3g/cm³
Resistivity	1.05 μΩ·m (20°C)
Temperature Range	Continuous Service 1100°C~1250°C, Short-Term Peak ≤1400℃

Material Properties

● Ultra-High Temp & Creep Resistance:

Stable operation at 1100~1250°C with superior creep resistance.

● High-Nickel Corrosion Resistance:

Resists acids, alkalis, and salt spray corrosion.

● Low Resistivity & High Efficiency:

1.05 μΩ·m (20°C) for energy-saving performance.

● Custom Surface Finish:

Bright annealed, pickled, brushed, or polished.

Core Advantages

● Broad Sizing Range:

Thickness 0.1-12mm, width 5-200mm (±0.01mm tolerance).

● Self-Healing Oxide Layer:

Extends lifespan in high-temperature applications.

● Eco-Certified:

Compliant with RoHS, REACH, ISO 9001, and AS9100.

Typical Applications

● Chemical Equipment:

Acid bath heaters, corrosive gas reactor elements.

● Industrial Furnaces:

Sintering furnace ribbons, metal heat treatment wires.

● Aerospace:

Rocket nozzle heaters, high-temp test bench modules.

● New Energy:

Nuclear heating systems, energy storage thermal controls.

Technical Specifications

Parameter	Numeric	Unit
Melting Point	1370-1400	℃
Tensile Strength	≥780	MPa
Elongation	≥20	%
Surface Finish	Bright Annealed / Pickled	-
Thickness Range	0.1-12.0	mm
Width Range	5-200	mm

Target Industries

● Chemical & Petrochemical

● Industrial High-Temp Processing

● Aerospace & Defense

● New Energy & Nuclear

Packaging & Certifications

● Anti-Corrosion Packaging:

Vacuum aluminum foil bags with desiccants.

● Certifications:

ISO 9001, AS9100, RoHS, REACH, SGS reports.

Why Choose Us?

● Technical Excellence:

25+ years in NiCr alloy R&D and high-temp solutions.

● Fast Turnaround:

72-hour sample delivery, 10-18 days for custom orders.

● Global Reach:

Serving 80+ countries with localized logistics hubs.

Available Forms

We provide you with a variety of product forms, including but not limited to

● Strip & Foil

● Round Wire &Flat Wire

● Bar & Rod

● Electrothermal Strip

● Flange & Ring

● Wire & Welding

● Reststance Wire

● Electric Alloy Wire

● Electric Furnace Bar

● Customize

description2

Strip ＆ Foil

Round Wire

Bar ＆ Rod

Electrothermal Strip

Bolts ＆ Fasteners

Flange ＆ Ring

Wire ＆ Welding

Reststance Wire ＆ Flat Wire

Electric Alloy Wire

Electric Furnace Wire

Nickel-chromium Alloys Flat Wire Cr30Ni70

Overview

Typical Applications

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Fe-Cr-Al Alloys Round Wire 0Cr13Al4

Fe-Cr-Al Alloys Electrothermal strip 0Cr15Al5

Fe-Cr-Al Alloys Flat Wire 0Cr19Al2

Fe-Cr-Al Alloys Electric furnace wire 0Cr21Al4

Fe-Cr-Al Alloys Flat Strip 0Cr21Al6

Fe-Cr-Al Alloys Bar 0Cr25Al5