Below are the price list for black iron steel pipes and fittings; seamless or welded.
Black iron pipes remain a top choice in gas lines, fire protection, plumbing, and structural framing. Their strength, affordability, and versatility make them popular in both residential and industrial projects. Therefore, if you’re planning a build, renovation, or system installation, it’s important to stay updated with the latest black iron pipe prices in the Philippines.
What Are Black Iron Pipes?
Black iron pipes, also called black steel pipes, consist of mild steel without any zinc or protective coating. Unlike galvanized pipes, they feature a dark, matte finish due to the absence of galvanization.
Builders and engineers often use them for non-water applications like gas distribution and fire systems. The steel core delivers excellent strength, and the absence of coating simplifies welding and threading.
Available Sizes and Specifications
Suppliers typically offer black iron pipes in nominal diameters from ½ inch to 12 inches, with standard lengths of 6 meters. You can find them in different wall thicknesses:
- Schedule 40 – standard wall thickness
- Schedule 80 – thicker wall for high-pressure systems
You can also choose your end type:
- Plain End (PE)
- Threaded End (TE)
- Beveled End (BE)
This flexibility allows you to match your piping system’s requirements efficiently.
🛠️ Where Are Black Iron Pipes Used?
Black iron pipes are versatile and are used in various construction and utility projects, including:
- Fire protection systems (sprinkler networks)
- Gas distribution lines for residential and industrial buildings
- HVAC systems – chilled or hot water lines (with proper coating)
- Scaffolding and structural support
- Steel framing, racks, and industrial applications
Furthermore, these pipes can be welded, threaded, or joined with flanges, offering flexibility in installation.
Factors That Influence Black Iron Pipe Prices
Several key factors affect the cost of black iron pipes in the Philippines:
- Pipe diameter and wall thickness
- Material grade and specification
- Local vs. imported supply
- Market demand and steel price fluctuations
- Delivery fees and supplier location
- Order quantity (retail vs. wholesale)
As a result, it’s advisable to compare prices across multiple suppliers, especially if you’re purchasing in bulk or for a large-scale project.
For pipe installation man hours reference, please check the link: PIPE INSTALLATION MAN HOURS
For other pipe material price list, check the reference below:
– Stainless Steel Pipes, please check the link: SS PIPE PRICE LIST
– uPVC Pipes, please check the link: uPVC PIPES PRICE LIST
– PPR Pipes, please check the link: PPR PRICE LIST
Seamless Black Iron Steel Pipes
Below is the updated list of black iron steel pipe prices based on the latest market data. Prices may vary depending on the brand, supplier, and transportation costs.
| Seamless Black Iron Steel Pipes | ||||||
|---|---|---|---|---|---|---|
| Item No. | Description | Price per length | Remarks | |||
| 1 | BI Pipe, 1/2″, Sch40, Seamless | 569.43 | 6 meters / length | |||
| 2 | BI Pipe, 3/4″, Sch40, Seamless | 747.08 | 6 meters / length | |||
| 3 | BI Pipe, 1″, Sch40, Seamless | 1,134.66 | 6 meters / length | |||
| 4 | BI Pipe, 1 1/4″, Sch40, Seamless | 1,548.17 | 6 meters / length | |||
| 5 | BI Pipe, 1 1/2″, Sch40, Seamless | 1,793.17 | 6 meters / length | |||
| 6 | BI Pipe, 2″, Sch40, Seamless | 2,386.53 | 6 meters / length | |||
| 7 | BI Pipe, 2 1/2″, Sch40, Seamless | 3,925.34 | 6 meters / length | |||
| 8 | BI Pipe, 3″, Sch40, Seamless | 4,908.96 | 6 meters / length | |||
| 9 | BI Pipe, 4″, Sch40, Seamless | 7,601.64 | 6 meters / length | |||
| 10 | BI Pipe, 5″, Sch40, Seamless | 10,316.69 | 6 meters / length | |||
| 11 | BI Pipe, 6″, Sch40, Seamless | 13,203.99 | 6 meters / length | |||
| 12 | BI Pipe, 8″, Sch40, Seamless | 17,358.75 | 6 meters / length | |||
| 13 | BI Pipe, 10″, Sch40, Seamless | 29,106.60 | 6 meters / length | |||
| 14 | BI Pipe, 12″, Sch40, Seamless | 37,711.03 | 6 meters / length | |||
Welded Black Iron Steel Pipes
| Welded Black Iron Steel Pipes | ||||||
|---|---|---|---|---|---|---|
| Item No. | Description | Price per length | Remarks | |||
| 15 | BI Pipe, 1/2″, Sch40, Welded | 452.99 | 6 meters / length | |||
| 16 | BI Pipe, 3/4″, Sch40, Welded | 597.41 | 6 meters / length | |||
| 17 | BI Pipe, 1″, Sch40, welded | 905.75 | 6 meters / length | |||
| 18 | BI Pipe, 1 1/4″, Sch40, Welded | 1,235.32 | 6 meters / length | |||
| 19 | BI Pipe, 1 1/2″, Sch40, Welded | 1,430.71 | 6 meters / length | |||
| 20 | BI Pipe, 2″, Sch40, Welded | 1,909.97 | 6 meters / length | |||
| 21 | BI Pipe, 2 1/2″, Sch40, Welded | 3,141.05 | 6 meters / length | |||
| 22 | BI Pipe, 3″, Sch40, Welded | 3,923.92 | 6 meters / length | |||
| 23 | BI Pipe, 4″, Sch40, Welded | 6,080.43 | 6 meters / length | |||
| 24 | BI Pipe, 5″, Sch40, Welded | 8,253.53 | 6 meters / length | |||
| 25 | BI Pipe, 6″, Sch40, Welded | 10,553.34 | 6 meters / length | |||
| 26 | BI Pipe, 8″, Sch40, Welded | 13,895.50 | 6 meters / length | |||
| 27 | BI Pipe, 10″, Sch40, Welded | 23,244.45 | 6 meters / length | |||
| 28 | BI Pipe, 12″, Sch40, Welded | 30,174.15 | 6 meters / length | |||
BI Steel Fittings
If you will buy the fittings and want to be hot-dip galvanized, the galvanization cost is usually 27.00 Php per kilogram. For example, the weight of the flange is 2 kg, that is 54.00 Php additional cost on top of the flange cost. Below are the links where you can find the standard weight of steel pipes and fittings:
STEEL PIPES STANDARD WEIGHT – the weights are in kg/meter
STANDARD WEIGHT OF STEEL FITTINGS
STEEL FLANGE STANDARD WEIGHT – the weights are in lbs / piece
90 DEGREE BI ELBOW PRICES
| Black Iron Steel Fittings – 90 DEGREE ELBOW | ||||
|---|---|---|---|---|
| Item No. | Description | Price per length | Remarks | |
| 29 | BI 90deg Elbow, 1/2″, Sch40 | 38.96 | Threaded connection | |
| 30 | BI 90deg Elbow, 3/4″, Sch40 | 59.01 | Threaded connection | |
| 31 | BI 90deg Elbow, 1″, Sch40 | 85.38 | Threaded connection | |
| 32 | BI 90deg Elbow, 1 1/4″, Sch40 | 140.02 | Threaded connection | |
| 33 | BI 90deg Elbow, 1 1/2″, Sch40 | 174.91 | Threaded connection | |
| 34 | BI 90deg Elbow, 2″, Sch40 | 260.20 | Threaded connection | |
| 35 | BI 90deg Elbow, 1 1/4″, Sch40 | 31.57 | Butt weld connection | |
| 36 | BI 90deg Elbow, 1 1/2″, Sch40 | 36.89 | Butt weld connection | |
| 37 | BI 90deg Elbow, 2″, Sch40 | 58.96 | Butt weld connection | |
| 38 | BI 90deg Elbow, 2 1/2″, Sch40 | 87.39 | Butt weld connection | |
| 39 | BI 90deg Elbow, 3″, Sch40 | 164.39 | Butt weld connection | |
| 40 | BI 90deg Elbow, 4″, Sch40 | 303.51 | Butt weld connection | |
| 41 | BI 90deg Elbow, 5″, Sch40 | 472.87 | Butt weld connection | |
| 42 | BI 90deg Elbow, 6″, Sch40 | 551.70 | Butt weld connection | |
| 43 | BI 90deg Elbow, 8″, Sch40 | 1,198.77 | Butt weld connection | |
| 44 | BI 90deg Elbow, 10″, Sch40 | 2,300.55 | Butt weld connection | |
| 45 | BI 90deg Elbow, 12″, Sch40 | 4,300.95 | Butt weld connection | |
TEE BI PRICES
| Black Iron Steel Fittings – TEE | ||||
|---|---|---|---|---|
| Item No. | Description | Price per length | Remarks | |
| 46 | BI Straight Tee, 1/2″, Sch40 | 38.99 | Threaded connection | |
| 47 | BI Straight Tee, 3/4″, Sch40 | 54.73 | Threaded connection | |
| 48 | BI Straight Tee, 1″, Sch40 | 85.30 | Threaded connection | |
| 49 | BI Straight Tee, 1 1/4″, Sch40 | 135.78 | Threaded connection | |
| 50 | BI Straight Tee, 1 1/2″, Sch40 | 172.86 | Threaded connection | |
| 51 | BI Straight Tee, 2″, Sch40 | 253.89 | Threaded connection | |
| 52 | BI Straight Tee, 1 1/4″, Sch40 | 242.36 | Butt weld connection | |
| 53 | BI Straight Tee, 1 1/2″, Sch40 | 266.52 | Butt weld connection | |
| 54 | BI Straight Tee, 2″, Sch40 | 285.46 | Butt weld connection | |
| 55 | BI Straight Tee, 2 1/2″, Sch40 | 315.04 | Butt weld connection | |
| 56 | BI Straight Tee, 3″, Sch40 | 442.13 | Butt weld connection | |
| 57 | BI Straight Tee, 4″, Sch40 | 508.68 | Butt weld connection | |
| 58 | BI Straight Tee, 5″, Sch40 | 788.28 | Butt weld connection | |
| 59 | BI Straight Tee, 6″, Sch40 | 945.47 | Butt weld connection | |
| 60 | BI Straight Tee, 8″, Sch40 | 1,771.56 | Butt weld connection | |
| 61 | BI Straight Tee, 10″, Sch40 | 2,954.50 | Butt weld connection | |
| 62 | BI Straight Tee, 12″, Sch40 | 4,921.33 | Butt weld connection | |
UNION PATENTE BI PRICES
| Black Iron Steel Fittings – UNION PATENTE | ||||
|---|---|---|---|---|
| Item No. | Description | Price per length | Remarks | |
| 63 | BI Union Patente, 1/2″, Sch40 | 128.53 | ||
| 64 | BI Union Patente, 3/4″, Sch40 | 155.80 | ||
| 65 | BI Union Patente, 1″, Sch40 | 187.40 | ||
| 66 | BI Union Patente, 1 1/4″, Sch40 | 262.28 | ||
| 67 | BI Union Patente, 1 1/2″, Sch40 | 349.89 | ||
| 68 | BI Union Patente, 2″, Sch40 | 535.05 | ||
| 69 | BI Union Patente, 2 1/2″, Sch40 | 3,814.45 | ||
| 70 | BI Union Patente, 3″, Sch40 | 5,597.78 | ||
| 71 | BI Union Patente, 4″, Sch40 | 13,634.19 | ||
SLIP-ON BI FLANGE PRICES
| Black Iron Steel Fittings – SLIP-ON FLANGES | ||||
|---|---|---|---|---|
| Item No. | Description | Price per length | Remarks | |
| 72 | BI Slip-on Flange, 1/2″, ANSI #150 | 126.40 | ||
| 73 | BI Slip-on Flange, 3/4″, ANSI #150 | 164.25 | ||
| 74 | BI Slip-on Flange, 1″, ANSI #150 | 176.93 | ||
| 75 | BI Slip-on Flange, 1 1/4″, ANSI #150 | 227.45 | ||
| 76 | BI Slip-on Flange, 1 1/2″, ANSI #150 | 240.30 | ||
| 77 | BI Slip-on Flange, 2″, ANSI #150 | 404.15 | ||
| 78 | BI Slip-on Flange, 2 1/2″, ANSI #150 | 454.85 | ||
| 79 | BI Slip-on Flange, 3″, ANSI #150 | 556.25 | ||
| 80 | BI Slip-on Flange, 4″, ANSI #150 | 732.83 | ||
| 81 | BI Slip-on Flange, 5″, ANSI #150 | 884.91 | ||
| 82 | BI Slip-on Flange, 6″, ANSI #150 | 1,073.78 | ||
| 83 | BI Slip-on Flange, 8″, ANSI #150 | 1,732.47 | ||
| 84 | BI Slip-on Flange, 10″, ANSI #150 | 2,412.66 | ||
| 85 | BI Slip-on Flange, 12″, ANSI #150 | 3,918.33 | ||
In addition, some hardware stores and depots offer volume discounts or bundled pricing when pipes are purchased with fittings and accessories.
Accessories and Installation Notes
When planning a black iron piping system, don’t forget the necessary components for a complete installation:
- Elbows, tees, reducers, and unions
- Thread sealants (Teflon tape or pipe dope)
- Flanges and gaskets (if required)
- Pipe supports and hangers
- Welding or threading tools (depending on the joint type)
Moreover, proper handling and storage are essential since black iron pipes can rust when exposed to moisture. Therefore, applying anti-rust primer or protective coating is recommended for outdoor or damp environments.
Conclusion
In summary, black iron steel pipes are a cost-effective and structurally reliable option for a wide range of piping and framing applications. Their strength, availability, and ease of installation make them a staple material in many Philippine construction projects.
Therefore, staying informed about current market prices, proper usage, and installation practices ensures that you make efficient and economical decisions for your project.
HELP US
We want to improve this website so we need your help. Please send us your recommendations, suggestion, and request. Click this for the SUGGESTION FORM PAGE.
Dont forget to hit Like and Share if this blog helped you.
FOLLOW US!
Please like and follow our facebook page for social media updates.
https://www.facebook.com/theprojectestimate
Please check this post for more reference: