USAI Forge specializes in high-precision empty bomb shell production for the Artillery & Ammunition industry. Our facility is equipped to manufacture bomb shells in various sizes and types, including 51 mm, 60 mm, 81 mm, 105 mm, 120 mm, 122 mm, 130 mm, 152 mm, and 155 mm, adhering to stringent quality standards required by defence clients. Design and development of various sizes and variants of Bomb Shells as per the Customer requirements is part of the engineering and manufacturing activity at USAI Forge.

USAI Forge is strategically positioned to supply the large calibre artillery shells, mainly 155 mm shells, with its state-of-the-art forging and machining capabilities. Our strengths in zero-defect manufacturing with rigorous quality assurance, cost effective production, export oriented production aligned with international standards and NATO specifications, international compliance, and scalable infrastructure to meet surge demands and long-term contracts makes us a trusted partner in strengthening regional and allied defence ecosystems.

Usai Forge Product range includes Tool Joints for Drill Pipe & Heavy Weight Drill Pipe manufactured meeting the API specifications and also can supply Drill Pipes for Oil & Exploration, Water Well, Mining, Construction, Heavy Weight Drill Pipes, Drill Collars, Kellys, Subs, Crossovers, and many other Oil Field accessories.

USAI Forge has a complete Automated Facility for Tool Joint Forgings and can supply the Tool Joints covering NC26 to 5 1/2” FH connections either in Forged, Blanked & Bored, Blanked Bored & Heat-treated, or Blanked Bored Heat-treated & Threaded (Finished) condition.

All API Tool Joint Connections as per API Specification 5DP can be supplied with different OD and ID combinations and with Standard Tong Space or Extra Long Tong Space.

	C	Si	Mn	P	S	Cu	Ni	Cr	Mo	Ca	N
4137 H Modified	0.35	0.15	0.85	max.	max.	max.	max.	0.90	0.28	max.	max.
	0.38	0.35	1.00	0.015	0.008	0.25	0.25	1.20	0.33	0.006	0.009

	Yield Strength psi		Tensile Strength psi	Hardness BHN
	minimum	maximum	minimum
Tool Joint	1,20,000	1,65,000	1,40,000	285 - 341