
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 |
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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 |
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Certification: | ISO9001, ISO14001, TS16949 | Model Number: | ASTM A268 |
Detail Information |
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Keyword: | Stainless Steel Tubes | Standard: | ASTM A268 |
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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 |
Product Description
Standard
|
ASTM A268
|
Matrial
|
TP405, TP410, TP430, TP446-1, TP446-2, 26-3-3
|
Size
|
OD: 4-230mm WT: 1-30mm Length: According to Customer's Requirement
|
Applications
|
For general corrosion-resisting and high-temperature service.
|
Manufacture
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Tubes are made by the welded process with no filler metal added.
|
Surface Condition
|
The finished tubes are free of scale., slight amount of oxidation is not considered as scale
|
Test and Inspection
|
Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test
|
Heat treatment
|
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. |
Grade
|
UNS
|
C
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
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
|
0.030 max
|
1.0-2.5
|
13.5-15.5
|
---
|
0.30-0.50
|
TP430
|
S43000
|
0.12 max
|
1.00 max
|
0.040 max
|
0.030 max
|
---
|
16.0-18.0
|
---
|
---
|
TP446-1
|
S44600
|
0.025 max
|
1.50 max
|
0.040 max
|
0.030 max
|
≤0.75
|
23-27
|
---
|
0.025 max
|
TP446-2
|
S44600
|
0.012 max
|
1.50 max
|
0.040 max
|
0.030 max
|
≤0.50
|
23-27
|
---
|
0.025 max
|
26-3-3
|
S44660
|
0.030 max
|
1.50 max
|
0.040 max
|
0.030 max
|
1.0-3.5
|
25-28
|
---
|
0.040 max
|
Mechanical Properties
Grade
|
UNS
|
Tensile Strength, min ksi MPa
|
Yeild Strength, min ksi MPa
|
Elongation in 2 in or 50mm, min %
|
Rockwell Hardness B Scale
|
TP410
|
S41000
|
60 (415)
|
30 (205)
|
20
|
95
|
|
S42035
|
80 (550)
|
55 (380)
|
16
|
88
|
TP430
|
S43000
|
60 (415)
|
35 (240)
|
20
|
90
|
TP446-1
|
S44600
|
70 (485)
|
40 (275)
|
18
|
95
|
TP446-2
|
S44600
|
65 (450)
|
40 (275)
|
20
|
95
|
26-3-3
|
S44660
|
85 (585)
|
65 (450)
|
20
|
25
|
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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