Manufacturer, Supplier & Exporter of Carbon Steel Forged Boss

Carbon steel forged bosses are specialized fittings used in piping systems to provide a threaded or socketed branch connection point — often called “bosses” or “welding bosses.” They are typically forged from solid carbon steel billets to ensure strength, integrity, and resistance to stress. A company like Riddhi Siddhi Impex may position itself as a manufacturer and supplier of carbon steel forged bosses, offering both socket weld bosses and threaded bosses, built according to standards such as ANSI / ASME B16.11, MSS, or BS. Indeed, Riddhi Impex’s product listing mentions their ability to manufacture forged socket weld boss and forged threaded bosses in various pressure classes (2000 lb to 9000 lb) and to custom drawing..

In the Indian domestic market, Riddhi Siddhi Impex aims to serve a wide footprint of cities across states, including industrial hubs such as Mumbai, Delhi, Bengaluru, Chennai, Hyderabad, Kolkata, Pune, Ahmedabad, Surat, and onward to cities like Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Dahej, Ankleshwar, Navsari, Valsad, Rajpipla, and more. Because of its broad national presence, the supplier may maintain distribution partnerships, warehousing, or logistics tie‑ups to ensure timely delivery across India..

Riddhi Impex (or a similar supplier) would employ standard manufacturing practices: selecting certified carbon steel forging stock, forging or upsetting the part, machining the boss geometry (internal bore, external shape, weld preparation or threading), finishing threads or socket surfaces, and then subjecting the parts to dimensional inspection, non-destructive testing (if required), hardness testing, and final marking/packing. On their product page, they claim to produce bosses per MSS, SAE, and BS standards, in pressure classes from 2000 lb up to 9000 lb, for both socket weld bosses and threaded bosses.

Typical applications for carbon steel forged bosses include providing a branch connection for instrumentation taps, pressure gauges, drain or vent lines, small side lines off a main pipeline, or connecting auxiliary piping. In high‑pressure systems (oil & gas, petrochemical, power generation, refinery piping), a forged boss provides a robust and safe branching point. Because forged bosses are integral and strong, they can resist mechanical stresses and minimize leak risk compared to flanged or welded add‑ons in some scenarios..

In terms of materials, the carbon steel grades commonly used for bosses include ASTM A105 / SA105, ASTM A350 (for low temperature service), or sometimes higher alloy carbon steels. The boss may be specified to match the material of the adjoining piping, so compatibility and mechanical strength are essential. Some suppliers support exotic or corrosion‑resistant materials as options as well..

Carbon Steel Forged Boss - Specification & Technical Details

1. Specification Overview

Product Name	Carbon Steel Forged Boss
Manufacturer & Supplier	Riddhi Siddhi Impex
Material	Carbon Steel (ASTM A105, A350 LF2)
Type	Socket Weld Boss, Threaded Boss
Standard	ASME B16.11, MSS SP-97, BS 3799
Pressure Ratings	2000 lbs, 3000 lbs, 6000 lbs, 9000 lbs
Size Range	1/8” to 4” (custom sizes on request)
Applications	Oil & Gas, Petrochemicals, Power Plants, Refineries, Boilers

2. Chemical Composition (ASTM A105)

Element	Composition (%)
Carbon (C)	≤ 0.35
Manganese (Mn)	0.60 – 1.05
Phosphorus (P)	≤ 0.035
Sulfur (S)	≤ 0.040
Silicon (Si)	0.10 – 0.35
Copper (Cu)	≤ 0.40
Nickel (Ni)	≤ 0.40

3. Mechanical Properties (ASTM A105)

Property	Value
Tensile Strength	≥ 485 MPa (70,000 psi)
Yield Strength	≥ 250 MPa (36,000 psi)
Elongation	≥ 22%
Hardness	≤ 187 HB

4. Dimension Chart (Sample Sizes)

Nominal Size (in)	Outer Diameter (mm)	Wall Thickness (mm)	Thread Type	Pressure Class
1/8"	10.3	1.73	NPT	3000 lbs
1/4"	13.7	2.24	BSPT	3000 lbs
1/2"	21.3	2.77	NPT	6000 lbs
1"	33.4	3.38	BSP	6000 lbs
2"	60.3	3.91	NPT	9000 lbs

5. Equivalent Grades & Standards

Standard	Equivalent Grade
ASTM	A105
ASME	SA105
EN	C22.8
DIN	1.0460
IS (India)	IS 1875

6. Other Types of Forged Boss

Type	Description
Threaded Boss	Internally threaded to connect threaded piping
Socket Weld Boss	Socketed for weld joints with piping
Flat Boss	Machined flat surface for custom welding
Radius Boss	Curved to fit around cylindrical piping
Reducing Boss	For connecting smaller diameter branches

Quality assurance is critical. A supplier like Riddhi Siddhi Impex may provide material test certificates (MTC), dimensional inspection reports, and non‑destructive testing (e.g. penetrant or magnetic particle) especially for critical or pressured services. Traceability markings (heat number, size, standard) are typically stamped or etched. Compliance to third‑party inspection (by client or certifying agency) can also be part of the offering..

Frequently Asked Questions (FAQs)

Q1: What are Carbon Steel Forged Bosses used for?

A1: They are used to create a branch outlet in a piping system and are suitable for high-pressure and high-temperature applications.

Q2: Can you supply custom sizes or pressure classes?

A2: Yes, Riddhi Siddhi Impex offers custom dimensions, thread types, and pressure ratings based on client specifications.

Q3: What standards do you follow?

A3: We manufacture forged bosses as per ASME B16.11, MSS SP-97, BS 3799, and other international standards.

Q4: Do you offer delivery across India?

A4: Yes, we supply to all major cities including Mumbai, Delhi, Chennai, Kolkata, Hyderabad, Pune, Bengaluru, and more.