Boron carbide powder for welding electrodes made in China

Black Powder
Molecular Formula
B4C
Density & phase
2.52g/cm3Solid
Solubility In Water
Insoluble
Melting Point
2450°C
Boiling point
3500°C
Crystal Structure
Rhombohedra
Mohs Hardness
9.6
Micro Hardness
4950kgf/mm2Size(μm)
ChemicalComposition
B%
C%
Fe2O3%
BC%
60#
315-215
78-81
17-22
0.2-0.4
97-99
80#
200-160
100#
160-125
120#
125-100
78-80
17-22
0.2-0.4
96-98
150#
100-80
180#
80-63
240#
60-50
77-80
17-22
0.3-0.5
96-97
280#
50-40
320#
40-28
W40(360#)
35-28
76-79
17-21
0.3-0.6
95-97
W28(400#)
28-20
W20(500#)
20-14
75-79
17-21
0.4-0.8
94-96
W14(600#)
14-10
W10(800#)
10-7
74-78
17-21
0.4-0.9
92-94
W7(1000#)
7-5
W5(1200#)
5-3.5
74-78
17-21
0.5-0.9
90-93
W3.5(1500#)
3.5-2.5
-325#
<45
74-79
17-22
<0.4
92-97
0-44μm
<45
-200#
<90
74-80
17-22
<0.3
94-97
-100#
<150
-25μm
<25
74-79
17-21
<0.3
92-96
-10μm
<10
74-78
17-21
<0.3
91-95
60#-150#
250-75
77-81
17-22
<0.3
95-98
40#-120#
315-106
30#-60#
355-250
Boron carbide
block
Low-mid-high
carbon
92-80
17-23
<0.3
90-99 2) Make chemical ceramic,glass ,or nozzle; 3) Nuclear reactor and shielding material; 4) Produce bullet proof armor; 5) Improve the service lift of mechanical parts; 6) As additive filler for boron chemical materials; 7) Essential filler for refractory materials.



Our Packing & Delivery:



Frequently Asked Questions:


1. Payment: T/T, Western Union, Money Gram, PayPal; 30% deposits; 70% balance before delivering, Or any other Payments if possible.

2. Delivery Time: No inventory, 10-15 days; in stock, 1-2 days.

3. MOQ: 1 ton or as customer request.

4. Package Information:

Packing with Kraft paper bag with liner;

Packing with Bowie with liner;

Palletized when loading in container;

As customer request.

5. The nearest port: Tianjin and Qingdao port

6. The time for the cargo to the nearest port: 1-2 days.

7. Whether to buy insurance for goods? Yes. We will buy insurance for each goods of every shipment .There enclosed with a policy.


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How to Contact Us?

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