which means that the global governance system must keep pace with the times,
Product Introduction
Our alloy steel pipes are made of carbon steel mixed with chromium, molybdenum, vanadium and other alloy elements. They feature excellent high temperature resistance, pressure resistance, oxidation resistance and creep resistance. Main grades include 15CrMo, 12Cr1MoV, 42CrMo etc. With uniform metallographic structure and stable mechanical performance, these seamless alloy pipes are widely used in thermal power plants, boiler equipment, petrochemical engineering and high-pressure pipeline systems.
Core Parameters
|
Item |
Specifications |
|
Material |
15CrMo, 12Cr1MoV, 42CrMo, 35CrMo, Cr5Mo, 10Cr9Mo1VNb |
|
Type |
Seamless alloy pipe, high pressure boiler tube, heat resistant tube |
|
Outer Diameter |
10mm - 820mm (Customizable) |
|
Wall Thickness |
2mm - 80mm (Thick wall available) |
|
Length |
6m fixed length / Random length / Custom cutting |
|
Standard |
GB/T 5310, GB/T 3077, ASTM A213, ASTM A387 |
|
Inspection |
Eddy current test, hydrostatic test, ultrasonic test, spectral analysis |
Technical Principle
We add chromium, molybdenum and vanadium to optimize the internal crystal structure of steel. Chromium improves high temperature oxidation resistance; molybdenum enhances creep resistance under extreme pressure and heat. After normalizing and tempering heat treatment, internal stress is eliminated. The pipes keep stable without deformation or rupture under long-term high temperature and high pressure.
Core Advantages
Excellent performance: Stable operation under 450℃-580℃ high temperature and high pressure.
Long service life: Good anti-fatigue and anti-aging property, service life 3 times longer than ordinary carbon steel pipes.
Reliable material: Each batch passes spectral test to meet industry standards.
Strict quality: All products go through three major inspections to ensure no cracks or pores.
Wide application: Professional for boiler, power plant and petrochemical engineering.
Flexible customization: Support thick wall, non-standard size, beveling and chamfering processing.
Application Scenarios
Power Industry: Used for boiler superheater, reheater and main steam pipeline, solving deformation and pipe burst problems of common steel pipes.
Petrochemical Industry: Applied to high temperature reaction pipelines and conveying lines, resistant to high temperature corrosion and pressure impact.
Heat Supply Engineering: Used for high temperature steam pipelines, avoiding aging and leakage.
Mechanical Equipment: Applied to hydraulic cylinders and structural parts, improving overall pressure resistance.
Pressure Vessel: Used for connecting pipes of pressure vessels, meeting safety standards for special equipment.
Project Cases
Power Plant Boiler Project: 12Cr1MoV alloy pipes replaced carbon steel pipes. The service life was extended from 2-3 years to over 10 years, reducing maintenance frequency greatly.
Petrochemical Pipeline Project: 15CrMo alloy pipes were adopted for high temperature pipelines. No leakage or pipe burst occurred all year round.
Central Heating Project: Thickened alloy pipes ensured stable steam transportation, and pipeline failure rate dropped by 80%.
Optional Configurations
Material upgrade: High grade alloy such as Cr9Mo, P91 available.
Custom size: Non-standard outer diameter, wall thickness and arbitrary length.
Deep processing: Cutting, beveling, chamfering, threading and head sealing.
Heat treatment: Normalizing, tempering and solution treatment.
Packaging: Anti-rust oil, waterproof package, steel belt, wooden case for export.
Documents: Spectral report, inspection report, material certificate and factory certificate.
FAQ
Q: What is the difference between alloy steel pipe and carbon steel pipe?
A: Alloy steel pipe contains alloy elements and undergoes heat treatment. It is resistant to high temperature and pressure, specially used for boilers, power plants and petrochemical industry. Ordinary carbon steel pipe is only for normal temperature and low pressure occasions.
Q: What temperature and pressure can alloy steel pipe withstand?
A: Common 15CrMo and 12Cr1MoV pipes can work stably under 450℃-580℃ high temperature and high pressure.
Q: Do you support cutting and processing?
A: Yes, we provide cutting, beveling and chamfering services with no MOQ limit.
Q: Can you provide inspection documents?
A: All products are authentic. Third-party testing is acceptable, and full set of certificates will be provided together with goods.
Q: Will alloy steel pipe get rusty?
A: Alloy steel pipe is based on carbon steel. Slight surface oxidation is normal. It is designed for high temperature and pressure, not for anti-rust.
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