

Different steel pipe would have its special production method, so that they would have multifarious characters. Today, we would like to talk about black ERW steel pipe among welded steel pipe. 1)It is a kind of steel pipe made by hot-rolled coil through the molding machine; 2)Main production method would be high-frequency; 3)Compared with ordinary welding steel pipes production technology, black steel pipe has better technical on body melting, mechanical strength; 4)Black ERW steel pipe has features of smooth appearance, high precision, low cost welding seam height and so on.
Key Specifications: HS Code: 7306.30 | Brand: EximNext | Material: Carbon Steel Q195 - Q345 / Mild Steel (Hot-Rolled or Cold-Rolled Coil) | Grade/Type: Q195, Q215, Q235, Q345 / ASTM A53 Grade A & B / API 5L | Purity/Composition: Carbon steel with trace amounts of Mn, Si, S, P (≤0.05% S, ≤0.045% P) | Size/Dimensions: 1/2 inch to 24 inches NPS; OD 21.3mm to 610mm; Wall thickness 2.0mm to 20mm; Length 6m, 9m, 12m (or random length) | Standard: ASTM A53, API 5L, ISO 65, EN 10219, GB/T 3091, BS 1387 | Application: Water transmission, structural framing, low-pressure oil and gas lines, scaffolding, fencing, construction infrastructure | Packaging: Bundled with steel strips, hexagonal bundles, or loose shipping; both ends beveled or threaded | Origin: China (Tianjin / Hebei), India, Turkey (common export origins)
Supply & Ordering: Minimum Order Quantity: 1 Bags
HS Code: 7306.30 — classified under Metal & Metal Products.
Ideal for: Importers, wholesalers, distributors, and manufacturers looking for quality metal & metal products products with verified suppliers and competitive pricing on EximNext.
| HS Code | 7306.30 |
| Brand | EximNext |
| Material | Carbon Steel Q195 - Q345 / Mild Steel (Hot-Rolled or Cold-Rolled Coil) |
| Grade/Type | Q195, Q215, Q235, Q345 / ASTM A53 Grade A & B / API 5L |
| Purity/Composition | Carbon steel with trace amounts of Mn, Si, S, P (≤0.05% S, ≤0.045% P) |
| Size/Dimensions | 1/2 inch to 24 inches NPS; OD 21.3mm to 610mm; Wall thickness 2.0mm to 20mm; Length 6m, 9m, 12m (or random length) |
| Standard | ASTM A53, API 5L, ISO 65, EN 10219, GB/T 3091, BS 1387 |
| Application | Water transmission, structural framing, low-pressure oil and gas lines, scaffolding, fencing, construction infrastructure |
| Packaging | Bundled with steel strips, hexagonal bundles, or loose shipping; both ends beveled or threaded |
| Origin | China (Tianjin / Hebei), India, Turkey (common export origins) |
Black ERW steel pipe is manufactured using electric resistance welding on hot-rolled or cold-rolled steel coils, producing a cost-effective welded tube widely used in water distribution, gas lines, structural support, and low-pressure plumbing applications. Available in grades Q195 to Q345 with sizes ranging from 1/2 inch to 24 inches OD and wall thicknesses between 2.0mm and 10mm, black ERW pipe is a preferred choice for import/export contracts due to its high strength-to-weight ratio and competitive pricing. Common standards include API 5L, ASTM A53, BS 1387, and EN 10255, making it essential merchandise for construction, oil and gas, and infrastructure projects worldwide.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Black Erw Steel Pipe is available for wholesale import from Threeway Steel Co., Ltd., a verified Supplier based in China. The current FOB price is 12. Minimum order quantity starts at 1 Bags. HS Code: 7306.30 — used for customs classification and import duty calculation. Key product specifications include 7306.30, EximNext, Carbon Steel Q195 - Q345 / Mild Steel (Hot-Rolled or Cold-Rolled Coil).
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