Product Introduction
Manufactured via hot piercing + hot rolling or cold drawing without any welded seam, this carbon steel pipe eliminates hidden leakage risk common in welded tubes, balancing reliable mechanical performance and favorable procurement cost compared with higher-grade X52/X60 alternatives. Many global engineering contractors prefer our stocked & customized X46 Seamless Pipe for legacy pipeline renovation and medium-scale onshore gathering line construction, thanks to stable raw material control and full third-party inspection before shipment from our Wuxi factory.
Full PMI & NDT Test
Mill Certificate EN10204 3.1
Senior Pipeline Engineers
Custom Coating Solution Team
Ready Stock Tons
Fast Dispatch Within 7 Days
Overseas Cooperated Territories
Oil & Gas End Client Base
Chemical Composition & Mechanical Properties
Chemical Composition & Mechanical Property Table (API 5L Standard, wt% Max & Core Mechanical Index)
| Item | Element/Property | PSL1 Specification | |
|---|---|---|---|
| Chemical Composition | C (Carbon) | ≤0.28% | |
| Si (Silicon) | ≤0.40% | ||
| Mn (Manganese) | ≤1.40% | ||
| P (Phosphorus) | ≤0.030% | ||
| S (Sulfur) | ≤0.030% | ||
| Nb/V/Ti | Trace ≤0.15% total | ||
| Mechanical Performance | Minimum Yield Strength | 317MPa (46000PSI) | |
| Tensile Strength Range | 435~655MPa | ||
| Elongation | ≥22% | ||
| Charpy Impact(-20℃) | ≥50J |
Detailed Product Application Scenarios
Our Global Cooperation Business Scope
As a professional export-focused manufacturer, Cunrui's business covers full one-stop steel service for worldwide buyers:
Product Supply: Full series API 5L seamless pipe(X42/X46/X52/X60), stainless seamless tube, alloy steel bar & plate, customized precision machining parts; support bulk stock order and small trial order with MOQ flexible;
Processing Service: Custom cutting, threading, bending, anti-corrosion coating(3LPE, FBE, black varnish) and end-bevel processing per client drawing;
Global Logistics Solution: Cooperate with main freight forwarders for FCL/LCL shipment from Shanghai/Tianjin/Ningbo port to North America, Southeast Asia, Middle East, Latin America and Africa; provide door-to-door delivery quotation upon request;
Custom Technical Support: Material alternative recommendation, third-party inspection arrangement, project material list optimization for engineering contractors and pipeline distributors;
Payment Terms: Flexible T/T, L/C at sight, DP payment to match different regional buyer's local trade habit.
Extra Exclusive Section: Our QC & Pre-Shipment Inspection Standard (New customized part)
We set three-layer strict inspection flow for every batch X46 seamless pipe to avoid quality discrepancy:
Raw Billet Inspection: Chemical composition spectrometer test before rolling, reject unqualified steel billet directly;
In-process Production Inspection: Online dimension tolerance & wall thickness random sampling, ultrasonic non-destructive testing for inner crack;
Finished Product Final Check: Mechanical performance tensile/impact lab test, surface defect visual inspection, mark printing & packaging confirmation before loading container. All inspection reports are archived for 5 years for client traceback.
Packing & Container Loading Solution
Custom packing for X46 Seamless Pipe prevents transit damage by sea: small pipes strapped + PP wrap, large pipes capped with rubber end protectors.
Expert container stowage optimizes space to lower FCL/LCL freight to NA, SEA & Latin America.
Pre-loading QC verifies marking/quantity, filing full 100% PMI & NDT reports + EN10204 3.1 MTC.
FAQs
Q1: Can you supply X46 seamless pipe in both PSL1 and PSL2 grade?
A: Yes, our factory produces both grades; PSL1 is for general low-mid pressure conventional pipeline to save cost, PSL2 with stricter chemical & impact test is recommended for cold-region and high-risk oil&gas projects, we can produce per your specified grade requirement.
Q2: What is your usual lead time for bulk order?
A: Standard stocked specifications can deliver within 7~10 working days; customized non-standard OD/WT production takes 20~30 working days after receiving your advance deposit.
Q3: Could you offer free sample for quality verification?
A: Small-length free samples are available, clients only need to bear international courier freight; sample length within 300~500mm per specification.
Q4: What anti-corrosion coating options can you provide?
A: Black paint, 3LPE external coating, FBE coating and internal epoxy coating are all optional per pipeline service environment; we also supply bare black seamless pipe without coating.
Q5: Is OEM brand marking acceptable on pipe body?
A: Custom client logo, project number, API grade mark can be printed on pipe surface via stencil or laser marking for bulk orders.
