Hebei Huayang Steel Pipe Co., Ltd.
| Payment Terms | L/C, T/T |
| Delivery Time | 35-40 DAYS |
| Packaging Details | BARE PIPE |
| steel grade | S355JRH |
| OD | 406.4-1219MM |
| THK | 9.53-50MM |
| length | 6-12M |
| package | bare pipe |
| purpose | structural |
| pipe ends | bevel |
| standard | EN 10219 |
| Brand Name | huayang |
| Model Number | OD 406.4-1422MM THK 9.53-50MM |
| Certification | API CE ISO |
| Place of Origin | china |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 35-40 DAYS |
| Packaging Details | BARE PIPE | steel grade | S355JRH |
| OD | 406.4-1219MM | THK | 9.53-50MM |
| length | 6-12M | package | bare pipe |
| purpose | structural | pipe ends | bevel |
| standard | EN 10219 | Brand Name | huayang |
| Model Number | OD 406.4-1422MM THK 9.53-50MM | Certification | API CE ISO |
| Place of Origin | china | ||
| High Light | S355JRH SAW Steel Pipe ，S275JR SAW Steel Pipe ，S355J2H Double Sided SAW Pipe | ||
Double Sided S355J2H S275 S275JR S355JRH SAW Steel Pipe
Longitudinal submerged arc welded pipe (LSAW pipe for short). Longitudinal Submerged Arc Welding (LSAW) is a process of pressing (rolling) steel plate into the billet of die or forming machine, using single plate as raw material. Double-sided submerged arc welding is used to enlarge the diameter. The finished product has complete specifications, good weld toughness, good plasticity, uniformity, compactness, large diameter, thick wall, high pressure, low temperature and corrosion resistance.
The cold expansion diameter also has the effect of improving the straightness of lsaw steel pipe, especially the straightening effect on the smaller diameter straight seam submerged arc welded pipe.
After the cold expansion of the lsaw steel pipe, the diameter of the pipe body and the pipe end will increase by about one percent. The diameter, the roundness and the diameter difference between the two ends of the steel pipe are greatly improved, and the straightness of the steel pipe is also greatly improved. The length is reduced by about 0.5%, and the wall thickness is reduced by about 0.8%. In the development of the lsaw steel pipe process, these changes should be fully considered to determine the width, length and thickness of the pipe sheet and the outer diameter of the steel pipe before the diameter expansion, so as to avoid the geometrical dimension of the steel pipe after the expansion is not up to the final requirements.
Application of LSAW Steel Pipe. The pipes are primarily used as long-distance transportation pipeline for oil, gas, liquid coal, etc. ashore and offshore. And can also be applied as construction pipes on offshore platform, powerhouse, petrochemistry, and town construction, etc
| Usage: | Used for construction field |
| SAW: | Submerged arc welded pipe |
| LSAW: | Longitudinal submerged arc welding pipe |
| SAWL: | Submerged arc welded longitudinal pipe |
| Standard: | EN 10219 |
| Certificate: | ISO 9001, ISO 14001, CE (CPR & PED) |
| Out Diameter: | 406.4mm - 1422.4mm (16"-56") |
| Wall Thk: | 9.53mm-50mm |
| Length: | 6M-12.5M |
| Steel Grade: | EN10210/EN10219: S275, S275JR, S355JRH, S355J0H S355J2H |
| Surface: | Bare pipe |
| Tests: | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (DWT, Guided Bend Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, RT (X-Ray Test) |
| MTC: | EN 10204/3.1B, EN 10204/3.2 (with Third Party Inspection) |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2005
Total Annual:
150 million-200 million
Employee Number:
500~700
Ecer Certification：
Active Member
Hebei Huayang Steel Pipe Company Ltd. is the largest ERW and LSAW steel pipe manufacturer in Northern China. Established in 2005, we have a modern factory covering an area of 666,000 square meters, with over 700 employees and a fixed asset of 200 million USD, annual output capacity is up to 1,000,00... Hebei Huayang Steel Pipe Company Ltd. is the largest ERW and LSAW steel pipe manufacturer in Northern China. Established in 2005, we have a modern factory covering an area of 666,000 square meters, with over 700 employees and a fixed asset of 200 million USD, annual output capacity is up to 1,000,00...
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