High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20M.T. m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Specifications of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
Standard:G3454
OD:10-650mm,WT:1-80mm
Length:5-12m random or be fixed as customers' request
JIS G3454 Carbon Steel Pipes for Pressure Service
1)Standard:JIS G3454
2)Material:STPG 370,STPG410
3)Size:OD.10-650mm,WT.1-80mm
Application of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
Boiler, electricity, mechanical, gas cylinder, chemical, offshore and oil service
Surface Finishing of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
Anti-corrosion and high-temperature resistant with black painting
Packing of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
Bundles, seaworthy wooden cases.With or without end caps, varnish or as per clients requirements.
1. Scope of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
This Japanese Industrial Standard specifies the carbon steel pipes, hereinafter referred to as the "pipes", used for pressure service at an approximate maximum temperature of
350°C. The pipes for high pressure service shall be in accordance with JIS G 3455.
1. Pertaining to the electric-resistance welded steel tubes, when previously agreed upon with the manufacturer, the purchaser may designate the supplementary quality
requirements Z 3 or Z 4 specified in Appendix, in addition to the items specified in this text.
Appendix Z 3 Ultrasonic Examination
Appendix Z 4 Eddy Current Examination
2. The units and numerical values given in { } in this Standard are based on the international System of Units (SI) and are appended for informative reference.
Further, the traditional units accompanied by numerical values in this Standard shall be converted to the SI units and numerical values on Jan. 1, 1991.
2. Grade and Designation of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
The pipe shall be classified into two grades and their letter symbols shall be as given in Table 1-1 .
Letter symbol of grade |
Traditional letters symbol of glade |
STPG 370 |
STPG 38 |
STPG 410 |
STPG 42 |
3.Chemical Composition of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
4.Mechanical Properties of High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
Tensile Strength,Yield Point or Proof Stress and Elongation
- Q: What are the quality control measures for steel pipe production?
- Quality control measures for steel pipe production typically include the inspection of raw materials, monitoring of manufacturing processes, and testing of finished products. These measures ensure that the steel pipes meet the required specifications and standards. Additionally, quality control may involve conducting visual inspections, dimensional checks, non-destructive testing, and mechanical testing to ensure the strength, durability, and overall quality of the pipes.
- Q: What are the common protective coatings used on the inner surface of steel pipes?
- The common protective coatings used on the inner surface of steel pipes include epoxy, polyurethane, and cement mortar coatings. These coatings provide corrosion resistance, prevent the formation of scales, and improve the durability and lifespan of the pipes.
- Q: Are steel pipes resistant to vibration?
- Yes, steel pipes are generally resistant to vibration due to their high strength and rigidity.
- Q: What are the different types of flanges used with steel pipes?
- There are several types of flanges commonly used with steel pipes, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, and blind flanges. These flanges are used to connect and secure steel pipes in various industrial applications, each offering specific advantages depending on the requirements of the piping system.
- Q: Are steel pipes suitable for underground mining applications?
- Yes, steel pipes are suitable for underground mining applications due to their durability, strength, and resistance to corrosion. They can withstand the harsh underground conditions, provide reliable transportation of fluids and materials, and are commonly used for ventilation systems, water supply, and ore extraction in mining operations.
- Q: What is the difference between steel pipes and ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used for conveying fluids and gases, but they have notable differences. The main distinction lies in their composition and properties. Steel pipes are made of an alloy of iron and carbon, providing them with high strength and durability. On the other hand, ductile iron pipes are composed of iron, carbon, and small amounts of other elements such as silicon and manganese, which make them more flexible and resistant to bending. Ductile iron pipes also have superior corrosion resistance compared to steel pipes. Overall, steel pipes are preferred for applications requiring higher strength and pressure resistance, while ductile iron pipes are often chosen for their flexibility and corrosion resistance.
- Q: What are the different methods of protecting steel pipes from corrosion?
- There are several methods of protecting steel pipes from corrosion. One common method is coating the pipes with materials such as epoxy, polyethylene, or fusion bonded epoxy, which create a barrier between the pipe's surface and corrosive elements. Another method is cathodic protection, which involves using sacrificial anodes or impressed current to prevent corrosion. Additionally, applying corrosion inhibitors or using corrosion-resistant alloys for manufacturing the pipes can provide protection. Regular maintenance, including inspections and cleaning, is also crucial to ensure the ongoing protection of steel pipes from corrosion.
- Q: How are steel pipes protected against soil movement or settlement?
- Steel pipes can be protected against soil movement or settlement through various methods. One common method is to use protective coatings on the pipes. These coatings act as a barrier between the steel and the soil, preventing direct contact and reducing the risk of corrosion. Some commonly used coatings include epoxy, polyethylene, and zinc. Another method is to use cathodic protection. This involves the installation of sacrificial anodes along the pipeline. These anodes corrode instead of the steel pipes, protecting them from damage caused by soil movement or settlement. Furthermore, proper design and installation techniques can also help protect steel pipes against soil movement or settlement. For instance, engineers may consider factors such as soil composition, slope stability, and potential for ground movement when designing the pipeline route. Additionally, proper trenching and bedding techniques can help ensure that the pipe is adequately supported and protected against settlement. Regular inspection and maintenance are also crucial for protecting steel pipes against soil movement or settlement. Monitoring the condition of the pipeline, including the protective coatings and cathodic protection systems, can help identify any potential issues and allow for timely repairs or replacements. Overall, a combination of protective coatings, cathodic protection, proper design and installation techniques, and regular maintenance can effectively protect steel pipes against soil movement or settlement.
- Q: What is the difference between seamless and welded steel pipes?
- The main difference between seamless and welded steel pipes lies in their manufacturing process. Seamless steel pipes are made by piercing a solid billet to form a hollow tube, while welded steel pipes are formed by rolling a flat sheet of steel into a tube and then welding the seam. This difference in manufacturing leads to varying characteristics such as strength, appearance, and cost. Seamless pipes are generally considered to have higher strength and are more aesthetically pleasing, but they are also more expensive to produce. Welded pipes, on the other hand, are more cost-effective and suitable for less demanding applications.
- Q: How do steel pipes perform in seismic zones?
- Steel pipes perform well in seismic zones due to their inherent strength and ductility. Their high tensile strength allows them to withstand the horizontal forces exerted during an earthquake, while their ductility allows them to deform and absorb the energy generated by seismic activity. Additionally, steel pipes can be designed and installed with proper reinforcement and bracing systems to further enhance their performance in seismic zones.
1. Manufacturer Overview
| Location | Wuxi, China |
| Year Established | 1991 |
| Annual Output Value | 300,000Tons |
| Main Markets | Europe; Southeast Asia; etc. |
| Company Certifications | API 5L；API 5CT；API Q1；ISO/TS29001 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Wuxi; Shanghai |
| Export Percentage | 41% - 50% |
| No.of Employees in Trade Department | 3900-4000 People |
| Language Spoken: | English; Chinese; Spanish |
| b) Factory Information | |
| Factory Size: | Above 450,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered；Design Service Offered |
| Product Price Range | Average |
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High Quality JIS G3454(Carbon Steel Pipes For Pressure Service)Pressure Service
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20M.T. m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
OKorder Financial Service
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