Carbon steel hydraulic oil pipes for fluid transportation are mainly composed of iron and carbon, and a small amount of manganese, silicon and other elements are added to make the pipe more durable and have better mechanical properties. During production, hot rolling, cold rolling or cold drawing processes are used, and there are seamless and welded ones. This kind of pipe has high mechanical strength, is easy to make, and is affordable. It also performs stably in harsh environments with high pressure and high temperature.
They are widely used in oil and gas transportation, chemical processing, water pipelines, boiler manufacturing, mechanical engineering and building structures. Whether it is used to transport fluids, steam, gas, or used as structural parts, the effect is good.
For surface treatment, it can be blackened, painted, galvanized, or coated with anti-rust oil, all of which can make the pipe more corrosion-resistant. There are also many options for size, wall thickness and brand, whether it is ASTM, DIN, EN or GB standards, it can be customized according to different engineering requirements.
In general, this type of pipe is both reliable and affordable, and is quite popular in many fields.
Product Name
Carbon steel hydraulic oil pipe
ASTM, DIN, EN, JIS, GB and other international standards
Material Grades
10#, 20#, 45#, Q235, Q345, 16Mn, 20G, L245, L290, A106 Gr.B, A53 Gr.B, ST37, ST52, etc.
Surface Finish
Black (as-rolled), phosphated, painted, anti-rust oiled, galvanized, bright, etc.
Hot rolled seamless pipe, cold drawn seamless pipe
Outer Diameter: 6mm – 630mm
Wall Thickness: 1mm – 100mm
Length: Fixed or random (5.8m, 6m, 11.8m, 12m), customizable
According to ASTM A53, ASTM A106, EN 10210, EN 10216 or customer specifications
Mechanical Properties
Tensile strength, yield strength, elongation as per applicable standards
Chemical Composition
Meets specific grade requirements, e.g., Q235: C≤0.22%, Mn: 0.30–0.65%, Si≤0.30%, S≤0.050%, P≤0.045%
Testing & Inspection
Hydrostatic test, eddy current, ultrasonic testing, dimension and surface checks
Applications
Oil & gas pipelines, chemical industry, boiler tubes, machinery, construction, pressure vessels, heat exchangers
Price Terms
FOB, CIF, CFR, CNF, EXW, negotiable
Payment Terms
T/T, L/C, D/P, cash, etc.
Delivery Time
Immediate for stock; based on quantity for custom orders
Standard export packing: bundles with steel strips, plastic film, moisture-proof paper, wooden cases or pallets
Frequently Asked Questions
Q: Can you provide a certificate of origin (CO) for customs clearance?
A: Yes, we can provide CO, as well as other documents like commercial invoices and packing lists required for customs.
Q: How do you pack the products to avoid damage during shipping?
A: We use seaworthy packaging: small products in cartons or wooden crates, and large ones in steel frames or pallets with waterproof film.
Q: What is your policy for product returns or replacements?
A: If products have quality issues caused by us, we'll arrange replacements or refunds within 30 days of receipt.
Q: Is there a warranty period for your products? How long is it?
A: Yes, all products have a 12-month warranty. During this period, we'll handle any quality-related issues free of charge.
