Stainless Steel Flat Elliptical Steel Tubing / Thick Wall Welded Oval Steel Tubing
Product Details
alloy steel seamless pipe
,structural steel square tubing
Product Description
TORICH Flat Sided Tube Elliptical Thin Wall Small Diameter Decorative Handrail Wardrobe Welded Stainless Steel 304 316 Oval Tube
Steel Grade/Steel Material:
| Steel Grade | TP304 | TP304L | TP304LN | TP316 | TP316L |
| UNS | S30400 | S30403 | S30453 | S31600 | S31603 |
| C, max | 0.08 | 0.035 | 0.035 | 0.080 | 0.035 |
| Mn, max | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
| P, max | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 |
| S, max | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
| Si, max | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Ni | 18.0-20.0 | 18.0-20.0 | 18.00-20.00 | 16.0-18.0 | 16.0-18.0 |
| Cr | 8.0-11.0 | 8.0-13.0 | 8.00-12.00 | 11.0-14.0 | 10.0-14.0 |
| Mo | 2.00-3.00 | 2.00-3.00 |
Delivery Condition:
Pickled and Annealed, or as customer's requirement
Size Range:
OD: 8-100mm*6-70mm
WT: 1-8mm
Length: max 12000mm
Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Production Processs:
The tubes shall be made from flat-rolled steel by an automatic welding process with no addition of the filler metal----cold drawn to oval shape tube----cut to the required length----deburr
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.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of honed tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not 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.
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