
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: | TP405, TP410, TP429, TP430 Etc | OD: | 4-230mm |
WT: | 1-30mm | Length: | Customer's Requirement |
Surface: | Oiled | End Protector: | Plain |
High Light: | stainless steel round tube,stainless tube steel |
Product Description
Standard
|
ASTM A268
|
Matrial
|
TP405, TP410, TP429, TP430, TP443, TP446-1, TP446-2, TP409
|
Size
|
OD: 4-230mm WT: 1-30mm Length: According to Customer's Requirement
|
Manufacture
|
Tubes are made by seamless process.
At the manufacturer's option,, tubing may be furnished either hot finished or cold finished. |
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
|
TP405
|
TP410
|
TP429
|
TP430
|
TP443
|
TP446-1
|
TP446-2
|
-
|
TP409
|
UNS
|
S40500
|
S41000
|
S42900
|
S43000
|
S44300
|
S44600
|
S40800
|
S40900
|
|
C, max
|
0.08
|
0.15
|
0.12
|
0.12
|
0.20
|
0.20
|
0.12
|
0.08
|
0.08
|
Mn, max
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
P, max
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.045
|
0.045
|
S, max
|
0.03
|
0.03
|
0.03
|
0.03
|
0.03
|
0.03
|
0.03
|
0.045
|
0.045
|
Si, max
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
1.00
|
Ni, max
|
0.05
|
-
|
-
|
-
|
0.75max
|
0.75max
|
0.50max
|
0.80max
|
0.50max
|
Cr
|
11.5-14.5
|
11.5-13.5
|
14.0-16.0
|
16.0-18.0
|
18.0-23.0
|
23.0-27.0
|
23.0-27.0
|
11.5-13.0
|
10.5-11.7
|
Mo
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
Al
|
0.10-0.30
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
Cu
|
-
|
-
|
-
|
-
|
0.90-1.25
|
-
|
-
|
-
|
-
|
N
|
-
|
-
|
-
|
-
|
-
|
0.25
|
0.25
|
12xC min
|
6xC
min
|
Ti
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
1.10max
|
0.75max
|
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 TP405 TP410 Seamless Ferritic and Martenstic Stainless Steel Tube
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