Black Steel Pipe
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Black Steel Pipe supplier
Black Steel Pipe is carbon steel pipe supplied with a black, ungalvanized surface. It is commonly produced by ERW welding or seamless pipe production, and can be supplied in black, oiled, painted, varnished, or anti-rust treated finish according to project requirements.
SKSTEEL supplies Black Steel Pipe with full sizes available, multiple steel grades, stable quality, smooth surface finish, mill test certificates, and fast delivery for construction, structure, fire protection, gas, oil, water, and general engineering projects.
Black Steel Pipe supplier
| Item | Description |
|---|---|
| Product | Black Steel Pipe / Black Carbon Steel Pipe |
| Standard | API 5L, ASTM A53, ASTM A500, ASTM A795, EN10219, EN10255, BS1387, JIS G3444, GB/T |
| Steel Grade | Q195, Q235B, Q355B, S235JR, S355JR, ASTM A53 Gr.A/Gr.B, API 5L Gr.B or Customized |
| Production Method | ERW Welded, Seamless, LSAW, SSAW or Customized |
| Outside Diameter | 21.3mm-3048mm or Customized |
| Wall Thickness | 1.0mm-100mm or Customized |
| Length | 5.8m, 6m, 9m, 12m or Customized |
| Surface | Black, Oiled, Painted, Varnished, Anti-rust Coated or Customized |
| Certificate | MTC EN10204 3.1 Available |
Chemical composition depends on the selected base pipe steel grade and project standard. The following table is a common reference for carbon steel black pipe materials.
| Element | Content (%) |
|---|---|
| C | According to steel grade requirement |
| Si | According to steel grade requirement |
| Mn | According to steel grade requirement |
| P | Controlled by applicable standard |
| S | Controlled by applicable standard |
| Property | Value |
|---|---|
| Yield Strength | According to grade and standard |
| Tensile Strength | According to grade and standard |
| Elongation | According to grade and standard |
| Pressure Performance | Inspected by size, straightness, corner radius, surface and project requirements |
Applications
Black steel pipe enquiries should identify the intended structural, fabrication, or piping application. The black surface designation does not establish the manufacturing method, pressure rating, or service suitability; confirm the product standard, grade, dimensions, and testing requirements for the intended use.
Challenges & Needs
For black steel pipe procurement, confirm the manufacturing method, outside diameter, wall thickness, dimensional tolerances, end condition, surface protection, and required inspection.
Dimensional Accuracy
Confirm outside diameter, wall thickness, straightness, ovality, and length tolerances against the applicable product standard and purchase specification.
Internal Residual Stress
Poor Coating Adhesion
Our Supply Solutions
SKSTEEL supports black steel pipe sourcing as a steel stockist and supply chain partner. Specify the manufacturing method, product standard, steel grade, outside diameter, wall thickness, length, and inspection requirements for your enquiry.
Where processing or surface protection is required, provide the cutting, end preparation, coating, and packing requirements. Availability and delivery terms are confirmed in the quotation and order documents.
Black Steel Pipe Supply Support from SKSTEEL
- Large Ready Stock
- Full Size Range Available
- Multiple Steel Grades Available
- ERW, Seamless, LSAW, and SSAW Options
- Competitive Export Pricing
- Cutting and Processing Services
- Mill Test Certificates Available
- Fast Global Delivery
- Professional Export Support
Value-Added Services
Include any black steel pipe processing, surface protection, inspection, and packing requirements in your enquiry. Specific services and their acceptance criteria are subject to quotation and order confirmation.
Precision End-Processing
Surface Protection
Bending & Forming
Transparent Delivery
Collaboration with SKSTEEL
FAQ for Steel Supply Services
What is Black Steel Pipe?
Black Steel Pipe is carbon steel pipe supplied without zinc galvanizing. It usually has a black oxide, oiled, painted, or varnished surface and is widely used in construction, structure, fire protection, gas, oil, and general engineering applications.
What is the difference between Black Steel Pipe and Galvanized Steel Pipe?
Black Steel Pipe is not coated with zinc, while Galvanized Steel Pipe has a zinc coating for improved corrosion resistance. Black Steel Pipe is commonly used where galvanizing is not required or where painting, coating, or indoor service is suitable.
What standards can SKSTEEL supply for Black Steel Pipe?
SKSTEEL can supply Black Steel Pipe according to API 5L, ASTM A53, ASTM A500, ASTM A795, EN10219, EN10255, BS1387, JIS G3444, GB/T and other project standards.
Can Black Steel Pipe be painted or coated?
Yes. SKSTEEL can supply black, oiled, painted, varnished, anti-rust coated, epoxy coated, 3PE coated, and other surface treatments according to project requirements.
Can SKSTEEL provide customized processing for Black Steel Pipe?
Yes. Cutting, threading, grooving, beveling, drilling, coating, marking, packing, and custom length services are available.