
Fabricated directly at Patna Central Works. Supplied with Mill Test Certificates (MTC) certifying tensile yield and dimensional tolerances.
20inch MS Expansion Joint
Heavy-duty industrial grade 20inch MS Expansion Joint manufactured by JMK Engineering & Developers to IRC, MORTH, and IS compliance standards. Optimized for bridges, flyovers, commercial infrastructure, and heavy civil construction projects.
Verified Technical Specifications
| Material Standard | Gauge / Thickness | Design Load Capacity | Standard Dimensions |
|---|---|---|---|
| IS 2062 Grade E250 / Fe 410 | 2.0mm - 4.0mm | 20.0 Tonnes (Proof Loaded) | Standard Industrial Sizes (Customizable on Order) |
| Mild Steel | 14kg/m |
| 400% | 20inch |
| Bridges And Highways | EN8 |
Turnkey Project Uses (Civil Engineering Context)
Designed for heavy monolithic pours, floor 4+ slab staging, retaining walls, and high-pressure culvert formwork with zero plate deflection.
Tested for extreme dynamic load distribution across elevated metro rail corridors, flyovers, and expressway segment assemblies.
Multi-Tenant Stock & Logistics Hubs
| Regional Logistics Node | Allocated Buffer | Dispatch Status | Site Lead Time (ETA) |
|---|---|---|---|
Delhi NCR Logistics Depot IMT Manesar / Dwarka Expressway Corridor | 5.2 Tons | In Stock | 2 Days Delivery |
Patna HQ Central Works Didarganj Industrial Zone, Patna | 12.8 Tons | Direct Works Buffer | Immediate Dispatch (0 Days) |
Kolkata Eastern Depot Dankuni Multi-Modal Terminal | 7.0 Tons | In Stock | 4 Days Delivery |
Mumbai Western Hub MIDC Taloja / JNPT Expressway Node | 6.4 Tons | In Stock | 3 Days Delivery |
Complementary Formwork & Structural Components

Ss Expansion Joints
Heavy-duty Ss Expansion Joints manufactured by JMK Engineering & Developers to IRC, MORTH, and IS standards for bridge and infrastructure projects.

Strip Seal Expansion Joint
Heavy-duty Strip Seal Expansion Joint manufactured by JMK Engineering & Developers to IRC, MORTH, and IS standards for bridge and infrastructure projects.

7inch Bitumen Expansion Joint
Heavy-duty 7inch Bitumen Expansion Joint manufactured by JMK Engineering & Developers to IRC, MORTH, and IS standards for bridge and infrastructure projects.
