| After-sales Service: | Yes |
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| Warranty: | Yes |
| Type: | Seamless |
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P265GH carbon steel pipe is a weldable pressure vessel and boiler steel grade used by the widely by the industrial fabricators
P265GH Steel material is the heat resistant pressure vessel steels defined in the EN 10216-2 system.
en 1.0425 is a carbon non-alloy steel formulated for primary forming into wrought products. It has specified properties are appropriate for the normalized condition. 1.0425 is the EN numeric designation for this material while P265GH is the EN chemical designation.
EN 10216-2 P265GH is ideally suited for elevated temperature service, is commonly found in the chemical, oil & gas and petrochemical industry.
1.0425 P265GH carbon steel seamless tubes is a main fabricating material of boilers and pressurized vessels. 1.0425 steel can be normalized by keeping it against a temperature range of 890 to 950°C without holding; the heat can be passed on through the thickness of it.
P265GH Steel High Pressure Boiler Tubes are mostly water tube boilers in which water is on the tube side while flue gases flow across the tubes thereby transferring heat from flue gases to water using cross flow heat transfer.
P265GH 1.0425 has a moderately high embodied energy among wrought carbon or non-alloy steels. In addition to this it has moderately high electrical conductivity and moderately high base cost.
en 10028 P265GH Seamless boiler tube is usually divided into low and medium pressure seamless tube and high pressure seamless boiler tube. EN 10216-2 P265GH Alloy Steel Seamless Tubes is known for high endurance and quality.
EN 10216-2 P265GH Seamless steel tubes Standard:EN 10216-2 Seamless steel tubes for pressure purposes Technical delivery conditions Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties EN 10216-2 P265GH Sea
Standard:EN 10216-2
Seamless steel tubes for pressure purposes -Technical delivery conditions
Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-2 P265GH Seamless steel tubes for pressure purposes
The steel name of non-alloy steel grades
(1)The capital letter P for pressure purposes;
(2)The symbols GH for elevated temperature.
EN 10216-2 P265GH Seamless steel tubes shall be supplied in the relevant heat treatment conditions as specified in Table 1.
| Steel grade | Heat treatment a |
Austenizing | Tempering | |||
| Steel name |
Steel number |
Temperature °C | Cooling Medium |
Temperature °C | Cooling medium |
|
| P265GH | 1.0425 | +N b | 880 to 940 | Air | - | - |
| a +N = Normalising, +NT = Normalising + Tempering, +QT = Quenching + Tempering (air or liquid), +I = Isothermal Annealing. b Normalising includes Normalising Forming. |
||||||
| Steel grade | Steel number |
C | Si | Mn | P max | S max | Cr | Mo | Ni |
| P265GH | 1.0425 | ≤ 0,20 | ≤ 0,40 | ≤ 1,40 | 0,025 | 0,020 | ≤ 0,30 | ≤ 0,08 | ≤ 0,30 |
| Al tot | Cu | Nb | Timax | V | Cr+Cu+Mo+Ni | Others |
| ≥ 0,020 b | ≤ 0,30 c | ≤ 0,010 d | 0,040 | ≤ 0,02 | ≤ 0,70 | - |
| Steel grade | Upper yield strength or proof strength R eH or Rp 0,2 for Wall Thickness T min. |
Tensile Strength Rm |
Elongation A min. % a |
|||||
| Steel name | Steel number |
T ≤ 16 | 16 < T ≤ 40 | 40 < T ≤ 60 | 60 < T ≤ 100 | l | t | |
| MPa * | MPa * | MPa * | MPa * | MPa * | ||||
| P265GH | 1.0425 | 265 | 255 | 245 | - | 410 to 570 | 23 | 21 |
| Outside Diameter D mm | Tolerances on D |
Tolerances on T for a T/D ratio | |||
| ≤ 0,025 | > 0,025 ≤ 0,050 |
> 0,050 ≤ 0,10 |
> 0,10 | ||
| D ≤ 219,1 | ± 1% or ± 0.5mm whichever is the greater |
± 12,5% or ± 0.4mm whichever is the greater | |||
| D > 219,1 | ± 20% | ± 15% | ± 12,5% | ± 10% a | |
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | |||||
| Tolerances on inside diameter | Tolerances on T for a T/d ratio | |||||
| d | d min | ≤ 0,03 | > 0,03 ≤ 0,06 |
> 0,06 ≤ 0,12 |
> 0,12 | |
| ± 1% or ± 2 mm whichever is the greater | (+ 2% ,0)or (+ 4 mm,0) |
whichever is the greater | ± 20% | ± 15% | ± 12,5% | ± 10% a |
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | ||||||
| Outside diameter D mm | Tolerances on D | Tolerances on T min for a T min /D ratio | |||
| ≤ 0,02 | > 0,02 ≤ 0,04 |
> 0,04 ≤ 0,09 |
> 0,09 | ||
| D ≤ 219,1 | ± 1% or ± 0.5mm whichever is the greater |
(+ 28%,0) or (+ 0.8 mm,0) whichever is the greater | |||
| D > 219,1 | + 50% 0 |
+ 35% 0 |
+ 28% 0 |
+ 22% a 0 |
|
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | |||||
| Tolerances on inside diameter |
Tolerances on T min for a T min /d ratio |
|||
| d | d min | ≤ 0,05 | > 0,05 ≤ 0,1 |
> 0,1 |
| ± 1% or ± 2 mm whichever is the greater |
(+2%,0) or (+ 4 mm,0) whichever is the greater | + 35% 0 |
+ 28% 0 |
+ 22% a 0 |
| a For outside diameters D ≥ 355,6 mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T | ||||
| Length L | Tolerance on exact length |
| L ≤ 6000 | +10 0 |
| 6000 < L ≤ 12 000 | +15 0 |
| L > 12 000 | + by agreement 0 |
MANUFACTURING PROCESS
(1)Steel making process
Steels shall be fully killed.
(2)Tube manufacture and delivery conditions
The tubes shall be manufactured by a seamless process.
The tubes can be either hot or cold finished.
1. Materials: Take the raw materials out of the raw material warehouse or procurement channels, and conduct inspection and sorting;
2.temperature control: according to the required performance of the product, choose the appropriate temperature, and control it within a certain range;
3. Heating: Use hot blast stove or other heating methods to heat raw materials to the required temperature;
4.annealing: the heated raw materials into the torch box for annealing treatment, in order to improve the mechanical properties of raw materials;
5. Hot rolling: Put the heated raw materials into the hot rolling mill, and process the raw materials through pressure to obtain the required products;
6.cooling: hot rolled products with water or other coolant for cooling, to ensure the stability of the product structure;
7.detection: physical and chemical performance test to determine whether it meets the requirements;
8. Finishing: Organize the products, label them, and prepare them for loading and delivery.
Our company was established in 2012, is a comprehensive company integrating industry and trade. The company has successively won the honorary titles of provincial integrity enterprise and municipal excellent enterprise. We are mainly engaged in various metal related products. Such as pipes, pipe fittings, rods, coils, profiles, medium and heavy plates, narrow strips and other types of materials. The warehouse has a variety of products of different specifications and materials, and the capacity is maintained at 30,000-50,000 tons/month. Products are widely used in petroleum, chemical, electric power, coal, machinery, high and low pressure boiler tubes, hydraulic props, ships and other industries. We make full use of the advantages of self-operated export rights and enter the international market. Our customers are located in South Korea, Canada, Iran, Pakistan, Indonesia, Vietnam, South America and other countries, and we have offices in Indonesia and Vietnam. The quality of our products is enjoyed at home and abroad. high reputation. We adhere to the business philosophy of "integrity service, win-win cooperation, customer first", and provide one-stop steel solutions for global customers. Welcome friends from all over the world to visit our company. We are looking forward to establishing business relationships and personal friendships with you.
Q:How do you control quality?
A:Mill test certification is supplied with shipment,third party inspection is avaliable.
Q:What are the advantages of your company?
A:We have many professionals,technical personnel,more competitive prices and best after-sales service than other stainless steel companies
Q:How many coutries you already exported?
A:Exported to more than 50 countries mainly from Arab, Kuwait, Egypt, Turkey, Jordan, Brazil, India, Indonesia, Korea, etc
Q:Can you provide sample?
A:Small sample in store and can provide the sample for free.Customized samples will take about 5-7days
Q:Why should you buy from us not from other suppliers?
A:Diversified products, direct supply from manufacturer.
Q:What is your terms of payment ?
A:we accept T/T ,L/C ,D/A,D/P, Western union, paypal ,The payment method can be negotiated by both parties according to the actual situation.
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