Solve your project's need for durable, reliable, and affordable structural piping. Sourced directly from a leading Chinese manufacturer for 25% lower costs without compromising on quality or delivery speed.
Get Your Free SS40 Pipe Quote & Samples in 24hAs a purchasing or operations manager, you're tasked with sourcing materials that balance performance with budget. The structural pipe market often forces a difficult choice:
The result? Compromised project integrity, blown budgets, and missed deadlines. You need a supplier that acts as a true partner, not just a vendor.
Discover the SS40 pipe solution that eliminates these pain points →
SS40 pipe refers to a specific grade of carbon steel structural tubing known for its excellent strength-to-weight ratio and good weldability. It's a versatile workhorse for frameworks, supports, and mechanical applications.
At Jinzehong, we've manufactured wire mesh and steel tubing for over two decades. Our SS40 pipe is produced under strict quality protocols, offering a superior alternative that doesn't force you to choose between cost and quality.
As a manufacturer, we eliminate middleman markups. Expect average savings of 25-35% compared to local distributors, with transparent, all-inclusive quotes (FOB, CIF, DAP options).
Every batch undergoes chemical analysis and mechanical testing (tensile, yield strength). We provide Mill Test Certificates (MTC) and comply with international standards for traceability and peace of mind.
Need specific OD/wall thickness, cut lengths, galvanized finish, or powder coating? Our engineering team can customize SS40 pipe to your exact prints and specifications, even for smaller batches.
With established partnerships with major shipping lines, we guarantee stable lead times. Sample delivery in 7-10 days, bulk order production in 15-25 days. We handle documentation and customs guidance.

| Parameter | Standard Specification | Typical Range / Value | Notes |
|---|---|---|---|
| Steel Grade | ASTM A53 / A500, S355JR Equivalent | SS40 (Chinese GB Standard) | Good weldability & formability |
| Yield Strength | Min. 245 MPa | 245 - 355 MPa | Ensures structural integrity |
| Tensile Strength | 410 - 550 MPa | ~480 MPa | High load-bearing capacity |
| Outer Diameter (OD) | Customizable | 1/2" to 12" (12.7mm - 323.8mm) | Seamless & Welded options |
| Wall Thickness | Schedule 10 - 80 | 1.5mm - 12.7mm | For various pressure/load needs |
| Standard Length | Fixed or Random | 5.8m, 6m, 12m, or Custom Cut | Minimizes waste on-site |
| Surface Treatment | Black, Oiled, Galvanized | Hot-Dip Galvanized (Zn coating) | Corrosion resistance for outdoor use |
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All specifications are customizable. Contact us with your project requirements for a precise quote.
Building skeletons, mezzanine floors, warehouse racking systems, and support columns.
Hydraulic cylinder barrels, conveyor rollers, agricultural machinery frames, and guard rails.
Trailer chassis components, signposts, highway safety barriers, and utility pole crossarms.
Custom fabrications for OEMs, workbenches, material handling carts, and storage systems.
Not sure if SS40 is right for your application? Our engineers provide free consultation. Describe your project needs here →
Our commitment to quality and service has made us a preferred supplier for global companies.
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