Export Snapshot

Minimum order

1 Centimetre

HSN Code

722220

Origin

India

Lead time

On request

Port of dispatch

On request

Packaging

Standard export packaging

Shelf life / storage

As per product specification

Export markets served

Global markets

Ability to customise

As per OEM brief

Values shown are for Bhansali Stainless.

Company Bhansali Stainless

Bhansali Stainless

Registered address: Mumbai, India. Industry: Metals, Minerals & Resources › Metals, Metal Products & Alloys.

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Established

Not shared

Employees

–

GST

27AAZFB6679F1ZN

IEC code

Not shared

Export markets

Global markets

Member since

Apr 2025

Turnover

On request

Incorporation type

On request

Product details

🔧 What are SS Black Round Bars?

SS Black Round Bars are hot-rolled, solid stainless steel bars with a black/mill scale finish — meaning they haven't been pickled, polished, or surface-treated after rolling.

✅ Key Characteristics:

Rough surface (mill scale/oxidation layer)

Excellent strength and corrosion resistance

Ideal for forging, machining, and industrial applications

📏 Standard Size Range

Property Range

Diameter (OD) 12 mm to 350 mm (1/2" to 14")

Length 1 meter to 6 meters (standard: 5–6 m)

Tolerance h9, h11, or as per customer spec

🧬 Common Grades

Grade Features Common Uses

SS 304 General corrosion resistance Forging, machine parts

SS 316 Molybdenum = saltwater & chemical resistance Marine, pharma

SS 303 Excellent machinability Precision machining

SS 410 / 416 High hardness, magnetic Tools, shafts

SS 420 Hardenable Knives, dies

Duplex 2205 / 2507 High strength + corrosion Oil & gas, marine

🏗️ Applications

Forging stock

Machined components (shafts, pins, bushings)

Valve and pump parts

Rollers & gears

Description provided by Bhansali Stainless.

Hot-rolled solid stainless steel

Black/mill scale finish (unpolished, untreated)

12 mm to 350 mm (1/2" to 14")

1 meter to 6 meters (standard 5–6 meters)

h9, h11 or customer specifications

SS 304, SS 316, SS 303, SS 410/416, SS 420, Duplex 2205/2507

Excellent, varies by grade

High strength and hardness grades available

Forging stock, machined components, valve & pump parts, gears & rollers

Specifications

Diameter (Outer Diameter)

12 mm to 350 mm

Length

1 meter to 6 meters (standard 5-6 meters)

Surface Condition

Black/mill scale finish (no surface treatment)

Manufacturing Process

Hot rolling

Tolerance Class

h9, h11 or customized

Grades Available

SS 304, SS 316, SS 303, SS 410, SS 416, SS 420, Duplex 2205, Duplex 2507

Common Uses

Forging, machining, manufacturing industrial components

Corrosion Resistance

Grade dependent, excellent overall

Magnetic Properties

Present in grades SS 410/416 (magnetic), non-magnetic in SS 304/316

Use cases

Category

Metals & Alloys > Stainless Steel Products > Stainless Steel Bars > Black Round Bars

Primary application

Brand

Not specified

Product type

Product

Logistics & handling

Lead time

On request

Packaging

As per buyer requirement

Storage condition

As recommended by supplier

Origin

India

Form

As listed by supplier

Commercials Bhansali Stainless

Minimum order

1 Centimetre

Lead time

On request

Payment terms

As per negotiated commercial agreement

Frequently asked by buyers

What is the significance of the black/mill scale finish on SS Black Round Bars?

The black/mill scale finish indicates the bar surface is untreated and has not been polished or pickled post hot rolling, retaining a rough surface that can improve adhesion during forging but may require additional surface preparation for applications needing a smooth finish.

Can SS Black Round Bars be supplied in custom lengths and tolerances?

Yes, SS Black Round Bars can be customized to specific length requirements from 1 meter up to 6 meters and can meet tolerance classes such as h9, h11, or customer-defined specifications.

Which SS grade is recommended for marine applications when using black round bars?

Grade SS 316 is highly recommended for marine and chemical environments due to its molybdenum content that enhances resistance to saltwater and corrosive chemicals.

Are these round bars magnetic, and does it depend on the grade?

Magnetic properties depend on the grade; for instance, SS 410 and 416 grades are magnetic, whereas SS 304 and 316 are generally non-magnetic.

What are typical industrial uses for SS Black Round Bars?

Typical uses include forging stock, machining into shafts, pins, bushings, manufacturing valve and pump parts, rollers, and gears requiring high strength and corrosion resistance.

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