B Class MS Pipe Thickness – Size & Wall Chart by Udhhyog
B Class MS Pipe Thickness – Size & Wall Chart by Udhhyog
B Class MS Pipes are widely used in construction, fabrication, and fluid transportation due to their ideal wall thickness and affordable pricing. In this guide by Udhhyog, we’ll explain the size range, thickness chart, comparison with other pipe classes, and help you choose the right pipe based on use-case and budget.
What is B Class MS Pipe?
B Class MS Pipe refers to medium thickness grade pipes defined under IS 1239 Part 1 standards. These pipes are stronger than A Class and lighter than C Class. They’re the most commonly used MS (Mild Steel) pipes in India across fabrication, scaffolding, water lines, and general-purpose structure work.
B Class MS Pipe Thickness Chart (in mm)
| Nominal Bore (NB) | Outer Diameter (OD) | Wall Thickness (mm) |
|---|---|---|
| 15 mm (½") | 21.3 mm | 2.65 mm |
| 20 mm (¾") | 26.9 mm | 2.65 mm |
| 25 mm (1") | 33.7 mm | 3.25 mm |
| 32 mm (1¼") | 42.4 mm | 3.25 mm |
| 40 mm (1½") | 48.3 mm | 3.25 mm |
| 50 mm (2") | 60.3 mm | 3.65 mm |
| 65 mm (2½") | 76.1 mm | 3.65 mm |
| 80 mm (3") | 88.9 mm | 4.05 mm |
| 100 mm (4") | 114.3 mm | 4.5 mm |
Where is B Class MS Pipe Used?
- Fabrication of metal structures, racks, handrails
- Scaffolding and shuttering in construction
- Water supply and general pipeline systems
- Conveyor support and lightweight framework
B Class vs C Class vs A Class MS Pipes
| Class | Wall Thickness | Weight | Use-Case |
|---|---|---|---|
| A Class | Thin | Light | Low-pressure water flow |
| B Class | Medium | Moderate | General purpose, scaffolding |
| C Class | Thick | Heavy | Heavy-duty, high pressure lines |
Why Choose Udhhyog for B Class MS Pipe?
- Verified thickness as per IS 1239 standards
- Competitive pricing with bulk order discounts
- Delivery available across India
- Unsecured credit up to ₹50 lakhs for MSMEs
- Expert consultation for selection & supply
Pricing of B Class MS Pipe (2025 Estimate)
- ½" – ₹65 to ₹80 per meter
- 1" – ₹95 to ₹120 per meter
- 2" – ₹160 to ₹200 per meter
- 4" – ₹280 to ₹340 per meter
Note: Prices vary based on location, length, and coating (bare or painted).
FAQs – B Class MS Pipe
Q. What is the standard for B Class MS Pipe?
A: IS 1239 Part 1 is the Indian Standard covering dimensions and tolerances.
Q. Can I use B Class MS Pipe for plumbing?
A: Yes, for medium-pressure water lines in housing or industrial sites.
Q. What’s the difference between B and C Class?
A: C Class pipes are thicker, heavier, and more expensive than B Class.
Q. Do you offer B Class MS Pipe in painted finish?
A: Yes. We offer black painted, red oxide coated, and bare finish options.
Order Now – B Class MS Pipe by Udhhyog
Looking to buy high-quality B Class MS Pipe? Udhhyog offers full range with size-wise weight chart, standard IS compliance, and PAN India delivery.
→ Send Enquiry for B Class MS Pipe Price
Comments : 0