70/30 Brass TubesBrass Tube Manufacturer in India

Name: 70/30 Brass Tubes
Brand: BK Industries

Seamless round and square 70/30 brass tubes with high strength, durability and excellent machinability — ideal for sanitary fittings, valves and industrial applications.

Overview

Seamless brass tubes — strong, durable and machinable

BK Industries is a brass tube manufacturer in Palghar, Maharashtra, near Mumbai, supplying 70/30 brass tubes to buyers across India. Round brass tubes run from 1/4" to 4" OD with 0.25–5 mm wall, and square brass tubes from 3/8" to 2". All our brass tube grades are suitable for chrome plating (supplied not polished), and sanitaryware has been our core market for many years. We also make brass bangle tubes.

Our seamless brass tubes combine high strength and durability with excellent machinability and a surface suitable for chrome plating — ideal for sanitary fittings, faucets, valves, bangle making and industrial applications. For heat exchangers, condensers and marine service, see our Copper Alloy Tubes — Admiralty brass (CuZn28Sn1) and aluminium brass.

We supply round and square brass tubes in straight lengths or cut pieces, in the alloy and temper suited to your forming, bending or machining process.

Seamless brass tubes with high strength & durability
Excellent machinability
70/30 brass; Admiralty & aluminium brass under Copper Alloy Tubes
Round 1/4" to 4" OD (6.35–101.6 mm), 0.25–5 mm wall; square 3/8" to 2" (9.52–50.8 mm)
Soft (annealed), half-hard and hard tempers — as per client requirements
Surface suitable for chrome plating
Straight lengths up to 18 ft (approx. 5.5 m), or cut-to-length pieces
In-house hardness and hydrostatic pressure testing

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Seamless 70/30 brass tubes made by BK Industries, Palghar

Applications

Where our brass tubes are used

Sanitaryware & faucetsSpouts, bodies and extension tubes for bath and kitchen fittings.

Fittings & valvesValve bodies, connectors, nipples and fitting components for sanitaryware and water lines.

Bangle tubesBrass tubes for bangle making, supplied in the sizes and tempers bangle manufacturers need.

Heat exchangers & condensersSee Copper Alloy Tubes — Admiralty brass tubes for condensers and shell-and-tube heat exchangers.

Engineering componentsBushes, sleeves and machined parts.

Decorative & hardwareRailings, furniture, lighting and architectural hardware — in round or square profiles.

Electrical & instrumentationTubular parts for electrical and instrument assemblies.

Specifications

Brass Tubes — technical specifications

All specifications confirmed by BK Industries. Don’t see your size? Special sizes can be discussed.

Parameter	Specification
Alloys	70/30 brass (cartridge brass, C26000 / CuZn30); other alloys on request. Admiralty brass and aluminium brass: see Copper Alloy TubesConfirmed
Profile / shape	Round; Square – 3/8" to 2" (9.52–50.8 mm); special sizes only if MOQ is metConfirmed
Outside diameter (OD) – round	1/4" to 4" (6.35 mm to 101.6 mm)Confirmed
Wall thickness	0.25 mm to 5 mmConfirmed
Temper	Soft (annealed), half-hard and hard — as per client requirementsConfirmed
Length	Straight lengths up to 18 ft (approx. 5.5 m); longer lengths on special request; cut-to-length pieces availableConfirmed
Standards	ASTM B135 (seamless brass tube), ASTM B111 (condenser/HX tube), IS 407, EN 12449Confirmed
Finish	Suitable for chrome plating (not polished)Confirmed

All specifications above are confirmed by BK Industries. Special sizes and requirements can be discussed against your enquiry.

Common sizes enquired (indicative OD × wall combinations within our range)

6.35 × 0.5 mm (1/4")9.52 × 0.8 mm (3/8")12.7 × 1.0 mm (1/2")19.05 × 1.2 mm (3/4")25.4 × 1.5 mm (1")38.1 × 1.5 mm (1-1/2")50.8 × 2.0 mm (2")76.2 × 3.0 mm (3")101.6 × 3.0 mm (4")

See the full size chart →Buyer FAQs: MOQ, tempers, lengths →

Request a quote for brass tubes

Mention OD, wall thickness, temper, length/coil size, standard and quantity for the fastest response.

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