GB/T 31940 Stainless Steel Tube Bi-Metal Composite Corrosion Resistance For Fluid Transportation
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
| Minimum Order Quantity : | 5Tons | Price : | negotiable |
|---|---|---|---|
| Packaging Details : | Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing. | Delivery Time : | 30-45 work days |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 2000Tons per Year |
| Place of Origin: | ZHEJIANG, CHINA | Brand Name: | TORICH |
|---|---|---|---|
| Certification: | ISO9001, ISO14001, TS16949 | Model Number: | ASTM A268 |
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Detail Information |
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| Keyword: | Stainless Steel Tubes | Standard: | ASTM A268 |
|---|---|---|---|
| Material: | TP410, TP430, TP446 Etc | OD: | 4-230mm |
| WT: | 1-30mm | Length: | Customer's Requirement |
| Surface: | Oiled | Usage: | General Corrosion Resisting Service |
| High Light: | stainless steel round tube,stainless tube steel |
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Product Description
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Standard
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ASTM A268
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Matrial
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TP405, TP410, TP430, TP446-1, TP446-2, 26-3-3
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Size
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OD: 4-230mm WT: 1-30mm Length: According to Customer's Requirement
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Applications
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For general corrosion-resisting and high-temperature service.
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Manufacture
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Tubes are made by the welded process with no filler metal added.
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Surface Condition
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The finished tubes are free of scale., slight amount of oxidation is not considered as scale
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Test and Inspection
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Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test
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Heat treatment
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As a final treatment, tubes shall be reheated to a temperature of 1200℉(650℃) or higher and cooled (as appropriate for the grade) to meet the requirements of this specification.
The martensitic grade UNS S41500 shall be reheated to a temperature of 950℉ (510℃) or higher and cooled as appropriate to meet the requirements of this specification. |
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Grade
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UNS
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C
|
Mn
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P
|
S
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Ni
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Cr
|
Mo
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N
|
|
TP410
|
S41000
|
0.15 max
|
1.00 max
|
0.040 max
|
0.030 max
|
---
|
11.5-13.5
|
---
|
---
|
|
|
S42035
|
0.08 max
|
1.00 max
|
0.045 max
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0.030 max
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1.0-2.5
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13.5-15.5
|
---
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0.30-0.50
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TP430
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S43000
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0.12 max
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1.00 max
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0.040 max
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0.030 max
|
---
|
16.0-18.0
|
---
|
---
|
|
TP446-1
|
S44600
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0.025 max
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1.50 max
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0.040 max
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0.030 max
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≤0.75
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23-27
|
---
|
0.025 max
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|
TP446-2
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S44600
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0.012 max
|
1.50 max
|
0.040 max
|
0.030 max
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≤0.50
|
23-27
|
---
|
0.025 max
|
|
26-3-3
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S44660
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0.030 max
|
1.50 max
|
0.040 max
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0.030 max
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1.0-3.5
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25-28
|
---
|
0.040 max
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Mechanical Properties
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Grade
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UNS
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Tensile Strength, min ksi MPa
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Yeild Strength, min ksi MPa
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Elongation in 2 in or 50mm, min %
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Rockwell Hardness B Scale
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|
TP410
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S41000
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60 (415)
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30 (205)
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20
|
95
|
|
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S42035
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80 (550)
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55 (380)
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16
|
88
|
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TP430
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S43000
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60 (415)
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35 (240)
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20
|
90
|
|
TP446-1
|
S44600
|
70 (485)
|
40 (275)
|
18
|
95
|
|
TP446-2
|
S44600
|
65 (450)
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40 (275)
|
20
|
95
|
|
26-3-3
|
S44660
|
85 (585)
|
65 (450)
|
20
|
25
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Production Show
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: 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 of carbon seamless steel tube ? 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 ASTM A268 Welded Stainless Steel Tube For General Corrosion Resisting Service
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| TORICH INTERNATIONAL LIMITED |
| Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China |
| 86-574-88086983 |
| sales@steel-tubes.com |