Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | TT OR LC |
| Supply Ability | 5000T PER MONTH |
| Delivery Time | 30DAYS |
| Packaging Details | Plastic packing, oiling, wooden box |
| OD. Range | 6mm – 137mm |
| Wall thickness | 1mm-36mm |
| Length | Max length 12M |
| Technique | cold drawing, cold rolled |
| Type | Seamless boiler tube |
| Standard | DIN17175 ST35.8 |
| Brand Name | Joyruns |
| Model Number | 6mm --137mm |
| Certification | ISO9000 |
| Place of Origin | CHANGZHOU, CHINA |
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Product Specification
| Payment Terms | TT OR LC | Supply Ability | 5000T PER MONTH |
| Delivery Time | 30DAYS | Packaging Details | Plastic packing, oiling, wooden box |
| OD. Range | 6mm – 137mm | Wall thickness | 1mm-36mm |
| Length | Max length 12M | Technique | cold drawing, cold rolled |
| Type | Seamless boiler tube | Standard | DIN17175 ST35.8 |
| Brand Name | Joyruns | Model Number | 6mm --137mm |
| Certification | ISO9000 | Place of Origin | CHANGZHOU, CHINA |
| High Light | 60.3*8mm Heavy Wall Steel Tube ，DIN17175 Heavy Wall Steel Tube ，DIN 17175 ST35.8 | ||
DIN17175 ST35.8 Cold drawing seamless heavy wall carbon boiler tube
DIN 17175 Seamless steel boiler tubes are specially used as heating surface tubes in low and medium pressure boilers tubes(The working pressure is not more than 5.88 Mpa and the significant temperature is below 450 degrees celsius).
Specifications:
DIN 17175 ST35.8 High-pressure boiler tubes Chemical Analysis
| Standard | Grade | Chemical Components (%) | ||||||
| C | Si | Mn | P | S | Mo | Cr | ||
| DIN17175 | St 35.8 | ≤0.17 | 0.10-0.35 | 0.40-0.80 | ≤0.040 | ≤0.040 | / | / |
| St 45.8 | ≤0.17 | 0.10-0.35 | 0.40-0.80 | ≤0.040 | ≤0.040 | / | / | |
| 15Mo3 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | ≤0.035 | ≤0.035 | 0.25-0.35 | / | |
| 13CrMo44 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.45-0.65 | 0.70-1.10 | |
| 10CrMo910 | 0.08-0.15 | ≤0.50 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 2.0-2.50 | |
| Standard | Grade | Mechanical properties | ||
| Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | ||
| DIN17175 | St 35.8 | 360-480 | ≥235 | ≥25 |
| St 45.8 | 410-530 | ≥255 | ≥21 | |
| 15Mo3 | 450-600 | ≥270 | ≥22 | |
| 13CrMo44 | 440-580 | ≥290 | ≥22 | |
| 10CrMo910 | 450-600 | ≥280 | ≥20 | |
Technical delivery conditions
The tubes shall be supplied suitably heat treated over their entire length. The following heat treatment shall be used, depending on the type of steel:
Normalizing
Subcritical annealing
Hardening and tempering with the isothermal transformation
Hardening and tempering with continuous cooling from the hardening temperature and subsequent tempering.
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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