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ASTM A335 P9 Alloy Seamless Steel Pipe
ASTM A335 P9 seamless alloy steel pipe is a type of ferritic alloy steel pipe for high temperature service. It is usually used for manufacturing of superheater tube, reheater tube, and main steam pipeline in boiler. We offer multiple grades of ASTM A335 standard alloy seamless steel pipe, such as P5, P9, P11, P22, P91, and P92, etc. Welcome to your purchase.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of astm a335 p9 alloy seamless steel pipe in China, featured by quality products and low price. If you're going to wholesale durable astm a335 p9 alloy seamless steel pipe made in China, welcome to get pricelist and free sample from our factory.
Introduction
P9 alloy seamless steel pipe is equivalent to 12Cr9Mo of GB/T 5310 standard. They have high similarities in terms of chemical compositions, mechanical properties and delivery condition, meeting the requirements that is specified by different standards.
ASTM A335 standard specifics strict requirement for the chemical compositions of P9 alloy seamless steel pipe. P9 alloy steel pipe contain multiple alloy elements. Carbon content should be kept below 0.15%, which can achieve the optimal balance between strength the hardness. Suitable silicon element (the content ranging from 0.25% to 1.00%) further improves the strength of P9 alloy steel pipe. Manganese content (0.30% to 0.60%) can effectively improves the hardenability of P9 alloy steel pipe. High Chromium contents (8.00% to 10.00%) and Molybdenum contents (0.90% to 1.10%) play an important role in improving the corrosion resistance, oxidation resistance, and heat resistance of P9 alloy steel pipe.
We have advanced production equipment that can precisely control the contents of each element. Precisely control for each alloy elements gives P9 alloy seamless steel pipe with high strength and excellent mechanical properties.
Specifications
| Product name | Alloy Seamless Steel Pipe |
| Place of origin | China |
| Standard | ASTM 335 |
| Relevant standard | GB/T 5310 ASTM A213 |
| Material grade | P9, 12Cr9Mo, T9 |
| Outside diameter | 26.7mm-762mm (customizable) |
| Wall thickness | 5mm-60mm (customizable) |
| Length | 3m-12m or customized length |
| Pipe ends | Plain ends, Bevel ends |
| Delivery condition | full or isothermal anneal or normalize and temper |
Chemical compositions %
| Steel grade | Equivalent grade | C,max | Mn | P,max | S,max | Si | Cr | Mo |
| P9 | 12Cr9Mo, T9 | 0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.25-1 | 8-10 | 0.9-1.1 |
Mechanical properties
| Steel grade | Tensile strength,min(Mpa) | Yield strength,min(Mpa) | Elongation,min(%) | |
| longitudinal | transverse | |||
| P9 | 415 | 205 | 22 | 14 |
Heat treatment
After undergoing heat treatment, the mechanical properties of P9 alloy seamless steel pipe will further increase. The delivery condition includes full or isothermal anneal or normalized and temper.
| Steel grade | Heat treat type | Subcritical annealing or tempering temperature (℃) |
| P9 | full or isothermal anneal or normalize and temper | 675 |
Product show
The diameter of P9 alloy seamless steel pipe ranging from 26.7mm to 762mm. Common diameter covers 60.3mm, 73mm, 88.9mm, 114.33mm, 219.1mm, 273.1mm, 323.9mm, 406.4mm, 508mm, 609.6mm, 660.4mm, and 762mm, etc. We can customize other sizes of alloy steel pipes according to clients' special requirements, meeting divert project needs.
Applications
In petroleum refining equipment, due to harsh external environments, such as high temperature, high pressure, and explosive environments. There are extremely high requirements for pipeline materials. A335 P9 alloy seamless steel pipe has become an ideal pipeline material due to its excellent heat resistance and corrosion resistance.
Our advantages
Choose the plan that suits you best.
Fast delivery
After receiving your detailed requirements, we can rapidly pick up the steel pipe from other well-known factories. The steel pipes can be shipped in a short time. The delivery is very fast.
01
Large inventory
P9 alloy seamless steel pipes are available in various diameters and wall thicknesses. We can also customize other sizes of alloy seamless steel pipes according to clients' requirements.
02
High quality and low price
We can provide pipe fittings with high quality and best price to clients.
03
Quality control
We have a professional quality test team to control quality.
04
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