BNi-7
Features:
1. Ultra-low melting point: Liquidus temperature is approximately 980℃, significantly reducing the risk of base material thermal deformation. 2. High strength and corrosion resistance: Room temperature tensile strength of the braze joint ≥450 MPa, resistant to high-temperature oxidation and corrosive media. 3. Flexible morphology adaptation: Powder: Fine particle size (10-45μm), good fluidity, suitable for automated powder feeding systems. Paste: Contains low-residue organic binder, uniform coating, suitable for pre-placement of complex structures. 4. Wide compatibility: Suitable for brazing stainless steel, nickel-based alloys, cobalt-based alloys and dissimilar metals.
Application:
High-temperature alloys, refractory metals (such as nickel alloys, cobalt alloys, molybdenum, tungsten, hard alloys)
Sintered diamond products
Packing:
Precision grinding, intelligent manufacturing technology, integrated solutions
Aluminum foil bag, iron drum, plastic drum, woven bag, pallet, customized packaging
Date of delivery:
Precision grinding, intelligent manufacturing technology, integrated solutions
3-15 days
key word:
Product Name: BNi-7 Nickel-based Brazing Filler Metal
Grade】
- BNi76CrP
- Ni 710(ISO)
- BNi-7(AWS)
Chemical composition(wt%)
American Standard (AWS) | Chinese Standard (GB/T10859-08) | Chemical Composition (Wt%) | ||||||||||||
Ni | Cr | B | Si | Fe | C | P | Mn | Cu | W | Co | Mo | Nb | ||
BNi-1 | BNi73CrFeSiB(C) | Balance | 13.0-15.0 | 2.75-3.50 | 4.0-5.0 | 4.0-5.0 | 0.60-0.90 | 0.02 | - | - | - | 0.10 | - | - |
BNi-1a | BNi74CrFeSiB | Balance | 13.0-15.0 | 2.75-3.50 | 4.0-5.0 | 4.0-5.0 | 0.06 | 0.02 | - | - | - | 0.10 | - | - |
BNi-2 | BNi82CrSiBFe | Balance | 6.0-8.0 | 2.75-3.50 | 4.0-5.0 | 2.5-3.5 | 0.06 | 0.02 | - | - | - | 0.10 | - | - |
BNi-3 | BNi92SiB | Balance | - | 2.75-3.50 | 4.0-5.0 | 0.50 | 0.06 | 0.02 | - | - | - | 0.10 | - | - |
BNi-4 | BNi95SiB | Balance | - | 1.50-2.20 | 3.0-4.0 | 1.50 | 0.06 | 0.02 | - | - | - | 0.10 | - | - |
BNi-5 | BNi71CrSi | Balance | 18.5-19.5 | 0.03 | 9.75-10.50 | - | 0.06 | 0.02 | - | - | - | 0.10 | - | - |
BNi-5a | BNi73CrSiB | Balance | 18.5-19.5 | 1.0-1.5 | 7.0-7.5 | 0.50 | 0.10 | 0.02 | - | - | - | 0.10 | - | - |
BNi-5b | BNi77CrSiBFe | Balance | 14.5-15.5 | 1.1-1.6 | 7.0-7.5 | 1.00 | 0.06 | 0.02 | - | - | - | 1.00 | - | - |
BNi-6 | BNi89P | Balance | - | - | - | - | 0.06 | 10.0-12.0 | - | - | - | 0.10 | - | - |
BNi-7 | BNi76CrP | Balance | 13.0-15.0 | 0.02 | 0.10 | 0.20 | 0.06 | 9.7-10.5 | 0.04 | - | - | 0.10 | - | - |
BNi-8 | BNi66MnSiCu | Balance | - | - | 6.0-8.0 | - | 0.06 | 0.02 | 21.5-24.5 | 4.0-5.0 | - | 0.10 | - | - |
BNi-9 | BNi81CrB | Balance | 13.5-16.5 | 3.25-4.00 | - | 1.50 | 0.06 | 0.02 | - | - | - | 0.10 | - | - |
BNi-10 | BNi63WCrFeSiB | Balance | 10.0-13.0 | 2.0-3.0 | 3.0-4.0 | 2.5-4.5 | 0.40-0.55 | 0.02 | - | - | 15.0-17.0 | 0.10 | - | - |
BNi-11 | BNi67WCrSiFeB | Balance | 9.0-11.75 | 2.2-3.1 | 3.35-4.25 | 2.5-4.0 | 0.30-0.50 | 0.02 | - | - | 11.00-12.75 | 0.10 | - | - |
BNi-12 | BNi65CrP | Balance | 24.0-26.0 | 0.02 | 0.10 | 0.20 | 0.06 | 9.0-11.0 | - | - | - | 0.10 | - | - |
BNi-13 | BNi78CrSiBCuMoNb | Balance | 7.0-9.0 | 2.75-3.50 | 3.8-4.8 | 0.40 | 0.06 | 0.02 | - | 2.0-3.0 | - | 0.10 | 1.5-2.5 | 1.5-2.5 |
Note* 1. The single chemical composition value whose range is not listed in the table represents the maximum value. 2. The impurity content (Wt%) of all brazing fillers in the table is: Pb≤0.025;Al≤0.05;Ti≤0.05;Zr≤0.05;Se≤0.005;Maximum impurity content≤0.05; 3. When customers need to place an order, please specify the requirements for the composition and particle size of the powder. 4. Other grades not listed in the table can be customized according to customer requirements. |
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Physical indicators
American Standard (AWS) | Chinese Standard (GB/T10859-08) | Melting Characteristics of Nickel-Based Brazing Filler Metals | ||
Solidus Line/℃ | Liquidus Line/℃ | Brazing Temperature/℃ | ||
BNi-1 | BNi73CrFeSiB(C) | 977 | 1038 | 1066-1204 |
BNi-1a | BNi74CrFeSiB | 977 | 1077 | 1077-1204 |
BNi-2 | BNi82CrSiBFe | 971 | 999 | 1010-1177 |
BNi-3 | BNi92SiB | 982 | 1038 | 1010-1177 |
BNi-4 | BNi95SiB | 982 | 1066 | 1010-1177 |
BNi-5 | BNi71CrSi | 1079 | 1135 | 1149-1204 |
BNi-5a | BNi73CrSiB | 1065 | 1150 | 1149-1204 |
BNi-5b | BNi77CrSiBFe | 1030 | 1126 | 1149-1204 |
BNi-6 | BNi89P | 877 | 877 | 927-1093 |
BNi-7 | BNi76CrP | 888 | 888 | 927-1093 |
BNi-8 | BNi66MnSiCu | 982 | 1010 | 1010-1093 |
BNi-9 | BNi81CrB | 1055 | 1055 | 1066-1204 |
BNi-10 | BNi63WCrFeSiB | 970 | 1105 | 1149-1204 |
BNi-11 | BNi67WCrSiFeB | 970 | 1095 | 1149-1204 |
BNi-12 | BNi65CrP | 880 | 950 | 980-1095 |
BNi-13 | BNi78CrSiBCuMoNb | 970 | 1080 | 1095-1175 |
Application areas

Sintered diamond products brazing
Sintered diamond products brazing

High temperature alloy, refractory metal brazing
(such as nickel alloy, cobalt alloy, molybdenum、tungsten hard alloy)

Alloy steel, stainless steel brazing
(such as watch straps, valves, joints, honeycomb structures, heat exchangers)
Recommend products
1. High-Temperature Performance Applicable temperature range: -250°C to 700°C, resistant to high-temperature oxidation, creep, and sulfide corrosion. Strength is significantly improved after age hardening (room temperature tensile strength ≥ 1300 MPa). 2. Corrosion Resistance Resistant to acids, alkalis, chlorides, and seawater corrosion, suitable for chemical, marine, and nuclear industries. 3. Process Compatibility High sphericity (≥97%), low oxygen content (≤0.1%), excellent fluidity, compatible with additive manufacturing processes such as SLM (Selective Laser Melting) and EBM (Electron Beam Melting). No tendency for cracking after welding, supports the precision forming of complex structures.
View Details1. High-Temperature and Corrosion Resistance Temperature range: -200°C to 1000°C, oxidation and sulfidation corrosion resistance. Resistant to seawater, chlorides, and acidic media corrosion, suitable for marine and chemical environments. 2. Excellent Processability High sphericity (≥98%), low oxygen content (≤0.1%), good fluidity, reducing 3D printing defects. Strong bonding strength with the substrate, supporting the formation of high-precision complex structures. 3. High Strength and Toughness Room temperature tensile strength ≥900 MPa, maintaining excellent mechanical properties at high temperatures.
View Details1. Superior high-temperature performance: The braze joint can withstand temperatures exceeding 1000℃, exhibiting excellent oxidation resistance and thermal fatigue resistance. 2. Excellent fluidity: Low melting point (liquidus line approximately 1050℃), strong wettability, dense and defect-free weld seam. 3. Diverse forms: Powder: Fine particle size (10-50μm), suitable for automatic powder feeding or pre-placement processes. Paste: Contains low-residue organic carrier, uniform coating, convenient operation. 4. Wide compatibility: Suitable for connecting stainless steel, high-temperature alloys, cemented carbides, and dissimilar metals.
View Details1. Low-temperature brazing: Liquidus temperature is low (approximately 1000℃), reducing the heat affected zone of the base material. 2. High-strength connection: Tensile strength of the braze joint ≥400 MPa, resistant to high-temperature oxidation and thermal fatigue. 3. Morphological adaptability: Powder: Uniform particle size (15-45μm), good fluidity, suitable for automatic powder feeding process. Paste: Contains low-residue organic binder, convenient coating, strong adhesion. 4. Wide compatibility: Suitable for brazing base materials such as stainless steel, nickel-based alloys, and carbon steel.
View Details