ASTM A335 / ASME SA335 Grade P5 Pipes Supplier and Exporter | UNS K41545, STPA 22 & DIN 1.7362 | Leoscor Alloy Pipes
ASTM A335 / ASME SA335 Grade P5 Pipes supplied by Leoscor Alloy Pipes are chromium-molybdenum alloy steel pipes designed for high-temperature and high-pressure industrial applications. These pipes provide excellent strength, durability, and resistance against thermal stress under demanding operating conditions.
Grade P5 Alloy Steel Pipes contain chromium and molybdenum as major alloying elements, which improve oxidation resistance, high-temperature stability, and mechanical strength. These properties make them suitable for critical applications where reliable performance is required.
Leoscor Alloy Pipes is a trusted manufacturer, stockist, supplier, and exporter of ASTM A335 P5 Pipes, available in different sizes, schedules, wall thicknesses, and customized specifications according to industrial requirements.
ASTM A335 Grade P5 Pipes are seamless alloy steel pipes manufactured for elevated temperature service. These pipes are commonly used for transporting high-temperature fluids and gases in industrial processing systems.
The chromium-molybdenum composition of SA335 P5 Alloy Steel Pipes provides excellent resistance against oxidation, corrosion, and thermal stress. Due to their strength and long service life, these pipes are widely preferred in power plants, refineries, petrochemical industries, and boiler systems.
The grade is internationally identified through different designations including UNS K41545 Pipes, STPA 22 Pipes, DIN 1.7362 Pipes, and 5Cr-0.5Mo Pipes.
Leoscor Alloy Pipes supplies premium-quality Alloy Steel Pipes with customized dimensions, inspection documents, and technical support. Contact us today to discuss your ASTM A335 P5 Pipes requirements and get a competitive quotation.

Equivalent Names of ASTM A335 Grade P5 Pipes
| Equivalent Name | Standard / Country | Explanation |
|---|---|---|
| UNS K41545 Pipes | USA (Unified Numbering System) | Material designation used for Grade P5 Alloy Steel Pipes. |
| STPA 22 Pipes | Japan (JIS Standard) | Japanese designation used for Grade P5 Pipes. |
| DIN 1.7362 Pipes | Germany / Europe (DIN/EN Standard) | European material number for Grade P5 Pipes. |
| 5Cr-0.5Mo Pipes | Common Alternative Name | Chromium-molybdenum alloy steel description. |
Key Features of ASTM A335 P5 Pipes
- Excellent high-temperature strength
- Good resistance to oxidation
- Superior thermal stability
- High pressure performance
- Good corrosion resistance
- Long service life under demanding conditions
- Suitable for critical industrial applications
ASTM A335 Grade P5 Pipes Specifications
Standard specifications for Alloy ASTM A335/ASME SA335 Grade P5 Pipes. If any specification is not mentioned here, you can contact us. We also manufacture and export any custom specification as per clients requirement.
| Specifications | ASTM A 335 / ASME SA 335 |
| Dimensions | ASTM, ASME and API |
| Size | 15 NB to 300 NB |
| Specialized in | Large Diameter Size |
| Schedule | Sch. 40s To Sch. XXs (heavier on request) |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Alloy ASME SA335 Grade P5 Pipes - Industries & Applications
Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
Get Quote for Your Requirement
Contact Leoscor Alloys Pipes for high quality industrial pipes and tubes. Mail- info@leoscoralloypipes.com
Grade P5 ASTM A335 Pipes Chemical Composition
| Grade | ASTM A335/ASME SA335 Grade P5 | |
|---|---|---|
| min | max | |
| C | 0.05 | 0.15 |
| Mn | 0.30 | 0.60 |
| Si | 0.50 | 1.00 |
| P | – | 0.025 |
| S | – | 0.025 |
| Cr | 4.0 | 6.0 |
| Mo | 0.45 | 0.65 |
ASTM A335 Grade P5 Pipes Mechanical Properties
| Grade | ASTM A335/ASME SA335 Grade P5 | |
|---|---|---|
| Tensile Strength, MPa | 415 min | |
| Yield Strength, MPa | 205 min | |
| Elongation, % | 30 min | |
Alloy ASTM A335 Grade P5 Pipes Equivalent Grades
| Grade | ASTM A335/ASME SA335 Grade P5 | |
| UNS No | K41245 | |
| Old British | BS | – |
| En | – | |
| Euronorm | No | – |
| AFNOR | – | |
| GOST | – | |
| Japanese JIS | – | |
Types of ASME SA335 Grade P5 Pipes
| ASTM A335 Grade P5 Welded Pipes | Grade P5 ASME SA335 Welded Pipes |
| Alloy ASME SA335 Grade P5 Welded Pipes | Grade P5 ASTM A335 Alloy Welded Pipes |
| ASTM A335 Grade P5 Seamless Pipes | Grade P5 ASME SA335 Seamless Pipes |
| Alloy ASME SA335 Grade P5 Seamless Pipes | Grade P5 ASTM A335 Alloy Seamless Pipes |
| ASTM A335 Grade P5 ERW Pipes | Grade P5 ASME SA335 ERW Pipes |
| Alloy ASME SA335 Grade P5 ERW Pipes | Grade P5 ASTM A335 Alloy ERW Pipes |
| ASTM A335 Grade P5 Fabricated Pipes | Grade P5 ASME SA335 Fabricated Pipes |
| Alloy ASME SA335 Grade P5 Fabricated Pipes | Grade P5 ASTM A335 Alloy Fabricated Pipes |
| ASTM A335 Grade P5 CDW Pipes | Grade P5 ASME SA335 CDW Pipes |
| Alloy ASME SA335 Grade P5 CDW Pipes | Grade P5 ASTM A335 Alloy CDW Pipes |
ASME SA335 Grade P5 Alloy Pipes Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for ASTM A335/ASME SA335 Grade P5 Pipes are very competitive.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for Alloy Steel ASTM A335/ASME SA335 Grade P5 Seamless and Welded Pipes.
ASTM A335 Grade P5 Pipe Stock Availability
We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for ASTM A335/ASME SA335 Grade P5 Pipes.
Why Buy ASTM SA335 Grade P5 Pipes from Leoscor Alloys
Leoscor Alloys is a leading stockist, distributor, and supplier of ASTM A335/ASME SA335 Grade P5 Pipes from India. With more than three decades of experience, we understand the steel industry deeply. We have huge experience of supplying to all major industries across the world. Our team of dedicated experts with stringent quality policy ensures that we supply best-in-class products meeting and exceeding our client’s expectations. Below are a few quick points about why buying from Leoscor Alloys will give you an undue advantage:
- Huge inventory of all standard sizes and grades.
- Distributors of all reputed origins and manufacturers.
- Strict quality control policies and highly experienced team.
- Strong logistics & delivery channels.
- Modern Infrastructure with huge storage capacity.
- An ISO 9000:2015 Certified Company.
Prominent Countries where we export ASME SA335 Grade P5 Pipes
Exporting Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.
We are one of the top:
- Pipes exporters to Singapore
- Pipes exporters to Malaysia
- Pipes exporters to Hongkong
- Pipes exporters to Thailand
- Pipes exporters to Indonesia
- Pipes exporters to Taiwan









