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+86 15030157877
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sales@galvanizedmetalmesh.com
+86 15030157877
sales@galvanizedmetalmesh.com
I’ve walked more than a few perimeters—from farms in the Midwest to solar farms in North Africa—and one thing still holds true: for fast, visible deterrence, Barbed Wire (and its tougher cousin, razor barbed wire) remains the go-to. Origin matters too. Much of the global supply still comes from Anping County, Hebei, China—specifically South Industrial Zone 07—where wire-drawing and galvanizing have been perfected over decades.
| Parameter | Typical Range (≈/real use may vary) |
|---|---|
| Core wire | Low-carbon steel (Q195), Galv. steel, or SS304/316 |
| Wire gauge | BWG 12–16 (2.7–1.6 mm) |
| Barb spacing/length | 76–150 mm spacing; 13–25 mm barb length |
| Razor types | BTO-10/22/30, CBT-60/65 |
| Tensile strength | 350–550 MPa (mild) / 700–900 MPa (high-tensile) |
| Coating | Zn 80–275 g/m²; Zn-Al alloy; PVC 0.4–0.7 mm |
| Coil length | 100–500 m (barbed); 450–900 mm coil dia. (razor) |
| Standards | ASTM A121/A641, EN 10223-1, ASTM F2548 |
| Service life | ≈10–25 yrs (coastal sites choose Zn-Al or SS) |
Materials come in as wire rod, get pickled, drawn, annealed (when needed), then galvanized—hot-dip for heavier coat, electro for uniformity, or Zn-Al alloy. Razor tape is slit and cold-formed, then crimped onto a core. Coils are pressed and tied for safe handling. QC is not just a box-tick: coating mass (ASTM A121/EN 10223-1), tensile pull tests, adhesion, and salt spray (ASTM B117) are routine. Honestly, better factories also run elongation and blade hardness checks. Typical acceptance: ≤3% coil deformation, no red rust in 240–500 h salt spray depending on finish.
Case notes—Solar EPC, MENA: BTO-22, 730 mm coil, Zn-Al core. Result: ≈18% fewer cut attempts vs. prior chain-link only, after 9 months (site security report). Ranch, AU: BWG 12, 100 mm spacing; 4-line fence survived two storms with minor retensioning.
| Vendor Type | Typical Lead Time | Certs/Tests | Notes |
|---|---|---|---|
| Anping factory (origin) | 10–20 days | ISO 9001; ASTM/EN mill certs; salt-spray data | Best for custom gauges, heavy Zn |
| Regional trader | 2–6 weeks | Varies; request lot traceability | Convenient MOQs, mixed loads |
| OEM security brand | 3–8 weeks | In-house QA; often ASTM F2548 for razor | Higher price, strong documentation |
Ask for heat/batch numbers, coating mass reports, tensile data, and salt-spray hours. For public tenders, I’d align specs to ASTM A121 (barbed), EN 10223-1 (EU barbed), and ASTM F2548 (razor). For galvanizing, ISO 1461 language keeps everyone honest.
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