Torich GB/T13793 Q195 Welded Steel Tube ERW Precision Steel Tube
| Product name: | Torich GB/T13793 Q195 Welded Steel Tube ERW Precision Steel Tube |
| Standard: | GB/T13793 |
| Grade: | 10#, 20#, 45#, Q195, Q215A, Q215B, Q235A, Q235B, Q235C, Q275A, Q275B, Q275C, Q345B, Q345C, Q390A, Q390B, Q390C, Q420A, Q420B, Q420C, etc. |
| Technical: | ERW |
| Size Range: | OD: 4-200 mm WT: 0.5-22 mm Or according to customers' actual application and production. |
| Manufaturing Method | Steel tubes shall be made of hot-rolled steel strips or cold-rolled steel strips by high-frequency resistance welding. When the purchaser designates the raw material in a certain rolling state, it shall be indicated in the contract. |
| Galvanized Method | Hot dip galvanizing |
| Delivery Condition | Welded or Heat treatment |
| Application: | Structural, Machinery,etc. |
Surface Quality:
Cracks, scarring, folding, layering, lap welding and overburning defects are not allowed on the internal and external
surfaces of steel pipes. Scratches, weld dislocations, burns, oxide skin and external burr removal marks not greater
than the negative deviation of wall thickness are allowed.
Tests Catogeries
A. Melting analysis
B. Finished product analysis
C. Tensile test
D. Weld tensile test
E. Impact test
F. Flattening test
G. Bending test
H. Flaring test
I. Hydraulic testing
J. Ultrasonic testing
K. Eddy current testing
L. Galvanizing coating uniformity testing
M. Galvanizing coating weight testing
N. Galvanizing coating adhesion test
Special Requirements
shall be negotiated by both parties and indicated in the contract.
The demander may choose from the following requirements :
A) hydraulic test;
B) Manufacturing accuracy;
C) Pipe end state;
D) Remove internal burrs;
E) Galvanized layer weight;
F) Other requirements.
Product Display:
Company Introduction:
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
FAQ:
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
Torich GB/T13793 Q195 Welded Steel Tube ERW Precision Steel Tube
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