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Les tubes doivent être fournis dans les formes suivantes: sections rondes, carrées, rectangulaires et spéciales. Une analyse de la chaleur doit être effectuée pour déterminer les pourcentages des éléments spécifiés. Si des processus de fusion secondaire sont utilisés, l'analyse de la chaleur doit être obtenue à partir d'un lingot rappelé ou le produit d'un lingot relant de chaque fusion primaire. Le tube doit être recouvert d'un film d'huile avant de se façonner pour retarder la rouille lorsqu'il est spécifié
| 1. Out Diameter: | 13.7mm-914mm |
| 2. Wall Thickness: | 2mm-120mm |
| 3. Length: | 3m-12m |
| 4. Producing Standard: | American ASME B36.10M, ASTM, API 5L, API 5CTJapanese JISGerman DINChinese GBBS standard |
| 5. Main Material:(Carbon Steel & Low Alloy steel) | ASTM A53, A106, A210, A252, A333 etc;X42, X46, X52, X60, X65, X70 etc;JIS STPG42, G3454, G3456 etc;German St37, St42, St45, St52, DIN1626, DIN17175Chinese 20#, Q345, 16Mn etc |
| 6. Special specifications: | Available according to customer’s requirements and quantity. |
| 7. End Shape: | Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements |
| 8. Surface treatment: | Painted, Oiled, galvanized, phosphate etc |
| 9. Usage: | Widely used in the mechanical treatment field, petrochemical industry, transport and construction fieldOrdinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etcCan be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc |
| 10. Certificates: | ISO,CE, API 5L certificate |
| 11. Third party inspection: | Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products. |
Composition chimique ( % ) :
|
The Chemical Composition for Carbon steel |
||||
|
Grade |
Chemical composition (%) |
|||
|
C |
Mn |
P |
S |
|
|
1010 |
0.08-0.13 |
0.30-0.60 |
=0.040 |
=0.050 |
|
1020 |
0.18-0.23 |
0.30-0.60 |
=0.040 |
=0.050 |
|
1045 |
0.43-0.50 |
0.30-0.90 |
=0.040 |
=0.050 |
|
1518 |
0.15-0.21 |
1.10-1.40 |
=0.040 |
=0.050 |
|
The Chemical Composition for Alloy Steel |
||||||||
|
Grade |
Chemical composition (%) |
|||||||
|
C |
Mn |
P max |
S max |
Si |
Ni |
Cr |
Mo |
|
|
4118 |
0.18-0.23 |
0.70-0.90 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.40-0.60 |
0.08-0.15 |
|
4130 |
0.28-0.33 |
0.40-0.60 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.80-1.10 |
0.15-0.25 |
|
4135 |
0.32-0.39 |
0.65-0.95 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.80-1.10 |
0.15-0.25 |
|
4140 |
0.38-0.43 |
0.75-1.00 |
0.04 |
0.04 |
0.15-0.35 |
- |
0.80-1.10 |
0.15-0.25 |
Propriétés mécaniques :
|
Grade |
State |
Tensile Strength |
Yield Strength |
Elongation |
Hardness |
||
|
Ksi |
Mpa |
Ksi |
Mpa |
% |
(HB) |
||
|
1020 |
HR |
50 |
345 |
32 |
221 |
25 |
55 |
|
CW |
70 |
483 |
60 |
414 |
5 |
75 |
|
|
SR |
65 |
448 |
50 |
345 |
10 |
72 |
|
|
A |
48 |
331 |
28 |
193 |
30 |
50 |
|
|
N |
55 |
379 |
34 |
234 |
22 |
60 |
|
|
1045 |
HR |
75 |
517 |
45 |
310 |
15 |
80 |
|
CW |
90 |
621 |
80 |
552 |
5 |
90 |
|
|
SR |
80 |
552 |
70 |
483 |
8 |
85 |
|
|
A |
65 |
448 |
35 |
241 |
20 |
72 |
|
|
N |
75 |
517 |
48 |
331 |
15 |
80 |
|
|
4130 |
HR |
90 |
621 |
70 |
483 |
20 |
89 |
|
SR |
105 |
724 |
85 |
586 |
10 |
95 |
|
|
A |
75 |
517 |
55 |
379 |
30 |
81 |
|
|
N |
90 |
621 |
60 |
414 |
20 |
89 |
|
|
4140 |
HR |
120 |
855 |
90 |
621 |
15 |
100 |
|
SR |
120 |
855 |
100 |
689 |
10 |
100 |
|
|
A |
80 |
552 |
60 |
414 |
25 |
85 |
|
|
N |
120 |
855 |
90 |
621 |
10 |
100 |
|
Peint, huilé, galvanisé, phosphate, etc.
| Unités de vente | : | Piece/Pieces |
|---|---|---|
| Type de colis | : | en bulle + sac tissé + capuchon en plastique aux deux extrémités |
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Détails d'emballage: en bulle + sac tissé + capuchon en plastique aux deux extrémités
transport: Ocean
Lieu d'origine: Foshan City, Guangdong Provi
Soutenir: Within 30 days and Depends on your order quantity
Hafen: g,u,a
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