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Welding Tube Mill

RLT Group | Updated: May 19, 2018

Process Flow

Slit Coil ---- Un-Coiler ---- Shearing And Butter Welder ---- Storage/ Accumulator ---- Forming ---- Welding ---- Cooling ---- Sizing ---- Cutting Saw ---- Run Out Table ---- Finishing ---- Pipe Collecting and Packaging

Machine Photos for Reference 

1.Single Side Decoiler 

2.Horizontal Accumulator

3.Forming

4.Sizing

5.Flying Cutting Saw (Hot Type)

Solid State HF Welder and Control box

Optional Configurations:

6.Auto Shear & Butt-Welder

7.Cassette Quick Change

8.Flying Cutting Saw (Cold Type)

Rolls

Rolls.jpg

Process

(1) Raw material preparation – forge piece: inconel

(2) Semi-finishing; Numerical control cutting machining 

(3) Numerical control finishing machining

(4) Product inspection – dimensions, form and position tolerance

(5) Product inspection – hardness

(6) Customer inspection

(7) Finished-parts storage – shipshape

(8) Packing

DesignationChemical Composition (%)

ChinaUSAJapanCSiMnCrMoVPS

Cr12Mo1V1D2SKD111.45~1.70≤0.40≤0.4011.00~12.500.40~0.600.15~0.30≤0.030≤0.030

Cr12D3SKD12.00~2.30≤0.40≤0.4011.00~13.00--≤0.030≤0.030

GCr15S2100SUJ20.95~1.050.15~0.350.25~0.451.40~1.65--≤0.025≤0.025 

Zinc Spraying Device

It is the professional device for spraying the zinc for galvanized welding tube after welding.  

Inkjet Printer

It is the professional device for printer the marks in the profile sheets or tubes.