Frequently Asked Questions
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General Questions
These oxy-fuel flame gas cutting machine are well used in shipbuilding, oil production, metallurgy, metal structure and other manufacturers etc.
Different sizes of the cutting tips, different cutting thickness. First confirm the needed cutting thickness, then select the corresponding cutting nozzles. See below detailed parameter of G02 （acetylene）and G03 （propane）tips.
Type | No. | Gas cutting | Cutting | Cutting speed | Oxygen | Acetylene |
Acetylene | #00 | 0.8 | 5-10 | 600-450 | 0.2-0.3 | >0.03 |
#0 | 1.0 | 10-20 | 480-380 | 0.2-0.3 | 0.03 | |
#1 | 1.2 | 20-30 | 400-320 | 0.25-0.35 | 0.03 | |
#2 | 1.4 | 30-50 | 350-280 | 0.25-0.35 | 0.03 | |
#3 | 1.6 | 50-70 | 300-240 | 0.3-0.4 | 0.04 | |
#4 | 1.8 | 70-90 | 260-200 | 0.3-0.4 | 0.04 | |
#5 | 2 | 90-120 | 210-170 | 0.4-0.6 | 0.04 | |
#6 | 2.4 | 120-160 | 180-140 | 0.5-0.8 | 0.05 | |
#7 | 2.8 | 160-200 | 150-110 | 0.6-0.9 | 0.05 | |
#8 | 3.2 | 200-280 | 90-60 | 0.6-1.0 | 0.05 | |
#9 | 3.6 | 270-350 | 90-60 | 0.7-1.1 | 0.05 | |
#10 | 4 | 350-400 | 70-50 | 0.7-1.2 | 0.06 |
Type | No. | Gas cutting | Cutting | Cutting speed | Oxygen | Acetylene |
Propane | #0 | 0.7 | 5-10 | 800-450 | 0.2-0.3 | >0.03 |
#1 | 0.9 | 10-20 | 480-300 | 0.2-0.3 | 0.03 | |
#2 | 1.2 | 20-35 | 400-320 | 0.3-0.4 | 0.03 | |
#3 | 1.5 | 35-60 | 350-280 | 0.3-0.4 | 0.03 | |
#4 | 1.8 | 60-90 | 300-240 | 0.4-0.6 | 0.04 | |
| #5 | 2.1 | 90-130 | 260-200 | 0.4-0.6 | 0.04 |
#6 | 2.5 | 130-180 | 220-180 | 0.4-0.6 | 0.04 | |
#7 | 2.7 | 180-250 | 200-160 | 0.5-0.7 | 0.05 | |
#8 | 3.1 | 250-330 | 180-140 | 0.5-0.7 | 0.05 | |
#9 | 3.5 | 330-380 | 130-90 | 0.6-0.8 | 2.05 | |
#10 | 4.0 | 380-450 | 90-50 | 0.6-0.8 | 0.05 |
Yes, they can. Our standard machines are with the circling-parts to do extra circling cutting, including their main straight-line cutting function. What’s more, the plasma cutting also is available.
The main differences between CG1-30A and CG1-30B is the working rail. 30A is with “H” rail, 30B is with hole rail. You can select the wanted rail before confirm the order. The rail is different, the price will be different.
MIG welders, TIG welders, MMA welders, hand spot welding machines, welding carriage and portable spot welding machines, stud welding machines and so on.
Generally, our machines are with 1 year warranty time. During these guaranty time, if machines with some problems, here can supply free spare parts for replacement.
About Our Services
If the cutting & welding machines fail to work properly during guarantee time, kindly contact us and free replacements will be supplied for maintenance.
ODM and OEM are available to meet customers’ appointed requirements. Different countries, different plugs. Here can make customized plugs according to different countries’ customers. Show us your own logo and we’ll print your unique logo on products to make your unique welder and gas cutting machines.
With a group dedicated and competent engineers and technicians, Qigao can help your concerns with proactive and professional support 24/7.
We’re online from 8:00 AM to 20:00 PM. Any questions or comments, please contact us freely, here will try our best to resolve the problems with great patience.
When our welders and gas cutting machines can not do normal work during the guaranteed time, show us the purchasing time and the problematic pictures for checking. Then we’ll give you a feedback in 1-3 business days and try to resolve the problems as soon as possible.
