Home > Products > Seamless Tubes for Boiler &Heat Exchanger > COLD DRAWN SEAMLESS TUBE STEEL small calibers for boilers and petro chemical industry
COLD DRAWN SEAMLESS TUBE STEEL small calibers for boilers and petro chemical industry
- 3000 Ton / Tons per Month
- Tianjin
- T/T Credit Card
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Product Details
| Thickness | 1, 12 | Section Shape | Round | |
| Outer Diameter | 8 - 80 mm | Place of Origin | Hebei, China | |
| Secondary Or Not | Non-secondary | Application | Boiler Pipe | |
| Technique | Cold Rolled | Certification | Other, iso9001 | |
| Surface Treatment | Other, with oil on surface to prevent rust | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
COLD DRAWN SEAMLESS TUBE STEEL small calibers for boilers and petro chemical industry
Main Steel Pipe Model
10, 20, 20G, 20MnG, 25MnG, ST45.8/Ⅲ, 15Mo3 etc.
Standard Size
GB3087 ,GB5310,ASME SA210 ,DIN17175
Diamensional tolerances:
Types of steel tubes | Outer diameters | Wall thickness | ||
Cold-rolled tubes | Tube sizes(mm) | Tolerances(mm) | Tube sizes (mm) | Tolerances(mm) |
>30~50 | ±0.3 | >3~20 | ±10% | |
Application
Used as the pipes on the heated side of low and medium pressure boilers(normally with operating pressure not higher than 5.88Mpa and operating temperature below 450 oC), as the pipes on the heated sides of high·pressure boilers, economizers, overheaters, reheaters and pipes for petrochemical industry(with the operating pressure above 9.8Mpa and operating temperature ranging between 450-650C1
Mechanical properties:
Standard codes | steel | Tensite strength(MPa) | Yield strength(MPa) | Elongation(%) | Hardness |
GB3087 | 10 | 335~475 | ≥195 | ≥24 | / |
20 | 410~550 | ≥245 | ≥20 | / | |
GB5310 | 20G | 410~550 | ≥245 | ≥24 | / |
20MnG | ≥415 | ≥240 | ≥22 | / | |
25MnG | ≥485 | ≥275 | ≥20 | / | |
ASME SA210 | SA210A-1 | ≥415 | ≥255 | ≥30 | ≤143HB |
SA210C | ≥485 | ≥275 | ≥30 | ≤179HB | |
DIN17175 | ST45.8/Ⅲ | 410~530 | ≥255 | ≥21 | / |
15Mo3 | 450~600 | ≥270 | ≥22 | / |
Chemical composition:
Standard codes | steel | Chemical compositions (%) | ||||||
C | Si | Mn | P | S | Cr | Mo | ||
GB3087 | 10 | 0.07~0.13 | 0.17~0.37
| 0.38~0.65 | ≤0.030
| ≤0.030
|
| |
20 | / | |||||||
GB5310 | 20G | 0.17~0.24 | 0.35~0.65 |
| ||||
20MnG | 0.17~0.24 | 0.70~1.00 |
| |||||
25MnG | 0.18~0.24 | 0.80~1.10 |
| |||||
15CrMo | 0.12~0.18 | 0.40~0.70 | 0.80~1.10 | 0.40~0.55 | ||||
ASME SA210 | SA210A-1 | 0.13~0.19 | ≥0.1 | 0.45~0.65 | ≤0.030 | ≤0.030 | ||
SA210C | 0.18~0.24 | 0.80~1.10 | ||||||
DIN 17175 | ST45.8/Ⅲ | ≤0.21 | 0.10~0.35 | 0.40~1.20 | ≤0.040 | ≤0.040 | ||
15Mo3 | 0.12~0.20 | 0.40~0.80 | ≤0.035 | ≤0.035 | 0.25~0.35 | |||
Manufacturer | Hebei Province Gold Mysterious Pipe Co.,Ltd | |
Process | Seamless, Cold drawn | |
size | Outer Diameter | 25.8,31.8,38,50.8mmetv |
Wall Thickness | 1.6-3.5mm | |
Length | max 12m | |
Contact | Elina Wong 86-0312-6721288 skype.....>jinaoguanye3 | |
* How long will it take to produce an order?
It is within 30days for the purchasing and production time with container order and 10days for the sample.
** What is your minimum order?
Usually 5 ton for each size, please contact us when you are trying to purchase less than container load
Your inquiry will be highly appreciated !
Please contact me without any hesitation if you have any problems of our products !
Email:market at
SKYPE:jinaoguanye3
Website:
Contact Us
- Hebei Province Gold Mysterious Pipe Co., Ltd.
- Contact nameKenny Cheng Chat Now
- Phone86-312-6721288
- AddressPangKou Auto Agricultural Machinery Parts Industry Park, Baoding, Hebei
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