| Customization: | Available |
|---|---|
| After-sales Service: | Free |
| Warranty: | 1 Year |
|
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|
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Chemical composition
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Designation of grade
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C | Si | Mn | P | S |
| STPT370 |
0.25 max.
|
0.10 to 0.35
|
0.30 to 0.90
|
0.035 max.
|
0.035 max
|
| STPT410 |
0.30 max.
|
0.10 to 0.35
|
0.30 to 1.00
|
0.035 max. | 0.035 max. |
| STPT480 |
0.33 max.
|
0.10 to 0.35
|
0.30 to 1.00
|
0.035 max. | 0.035 max. |
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Mechanical properties
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| Designation of grade |
Tensile strength
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Yield point or proof stress
|
Elongation
Wall thickness
|
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| Over 1 mm up to and incl. 2mm |
Over 2 mm up to and incl. 3mm
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Over 3 mm up to and incl. 4mm
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Over 4 mm up to and incl. 5mm
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Over 5 mm up to and incl. 6mm
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Over 6 mm up to and incl. 7mm
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Over 7 mm up to and incl. 8mm
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| STPT370 | 370min | 215min | 21min | 22min | 24min | 26min | 27min | 28min | 30min |
| STPT410 | 410min | 245min | 16min | 18min | 19min | 20min | 22min | 24min | 25min |
| STPT480 | 480min | 275min | 16min | 18min | 19min | 20min | 22min | 24min | 25min |
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Minimum hydraulic test pressure Unit: MPa
|
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Nominal wall thickness |
Schedule number: Sch
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| 10 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 140 | 160 | |
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Minimum hydraulic test pressure
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2.0 | 3.5 | 5.0 | 6.0 | 9.0 | 12 | 15 | 18 | 20 | 20 |
| Dimensions and unit mass of carbon steel pipes for high temperature service | ||||||||||||||||||||||
| Nominal diameter | outside diameter | Nominal wall thickness (schedule number: Sch) | ||||||||||||||||||||
| 10 | 20 | 30 | 40 | 60 | 80 | 100 | 120 | 140 | 160 | |||||||||||||
| A | B | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | wall thickness | unit mass | |
| 6 | 1/8 | 10.5 | -- | -- | -- | -- | -- | -- | 1.7 | 0.369 | -- | -- | 2.4 | 0.479 | -- | -- | -- | -- | -- | -- | -- | -- |
| 8 | 1/4 | 13.8 | -- | -- | -- | -- | -- | -- | 2.2 | 0.629 | -- | -- | 3.0 | 0.799 | -- | -- | -- | -- | -- | -- | -- | -- |
| 10 | 3/8 | 17.3 | -- | -- | -- | -- | -- | -- | 2.3 | 0.851 | -- | -- | 3.2 | 1.11 | -- | -- | -- | -- | -- | -- | -- | -- |
| 15 | 1/2 | 21.7 | -- | -- | -- | -- | -- | -- | 2.8 | 1.31 | -- | -- | 3.7 | 1.64 | -- | -- | -- | -- | -- | -- | 4.7 | 1.97 |
| 20 | 3/4 | 27.2 | -- | -- | -- | -- | -- | -- | 2.9 | 1.74 | -- | -- | 3.9 | 2.24 | -- | -- | -- | -- | -- | -- | 5.5 | 2.94 |
| 25 | 1 | 34.0 | -- | -- | -- | -- | -- | -- | 3.4 | 2.57 | -- | -- | 4.5 | 3.27 | -- | -- | -- | -- | -- | -- | 6.4 | 4.36 |
| 32 | 1¼ | 42.7 | -- | -- | -- | -- | -- | -- | 3.6 | 3.47 | -- | -- | 4.9 | 4.57 | -- | -- | -- | -- | -- | -- | 6.4 | 5.73 |
| 40 | 1½ | 48.6 | -- | -- | -- | -- | -- | -- | 3.7 | 4.10 | -- | -- | 5.1 | 5.47 | -- | -- | -- | -- | -- | -- | 7.1 | 7.27 |
| 50 | 2 | 60.5 | -- | -- | -- | -- | -- | -- | 3.9 | 5.44 | -- | -- | 5.5 | 7.46 | -- | -- | -- | -- | -- | -- | 8.7 | 11.1 |
| 65 | 2½ | 76.3 | -- | -- | -- | -- | -- | -- | 5.2 | 9.12 | -- | -- | 7.0 | 12.0 | -- | -- | -- | -- | -- | -- | 9.5 | 15.6 |
Q: Are you trading company or manufacturer?
A: We are professional manufacturer for steel pipes,and our company also is a very professional and technical foreign trade company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.
Q:Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not. Honesty is our company's tenet.
Q: Do you provide samples ? is it free or extra?
A: The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.
Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours,meanwhile,Wechat and WhatsApp will be online in 24 hours. Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.
Q: Do you have any certifications?
A: Yes,that's what we guarantee to our clients. we have IS09000,IATF16949 certinicate,ISO 14001 certificates etc.Our products are of high quality and we have professional engineers and development team.
Q: What is your terms of payment?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipmenit or paid against copy of B/L within 5 working days. 100% Irrevocable L/C at sight is favorable payment term as well.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
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