The Master Steel

What The Master Steel does

PT The Master Steel Mfg is an Indonesian steel manufacturer founded in 1972 as one of the country's pioneers in steel-making and rolling. The company operates four major production facilities (three in Jakarta and one in Gresik, East Java) occupying over 100 hectares, with a combined capacity of 1.5 million tonnes per annum and a planned expansion to more than 2 million tpa. Its core product line spans eight categories: rebar (including the proprietary BJTS-50 HR earthquake-resistant grade), square bar, flat bar, wire rod, wire mesh, I-beam, UPN channel, and equal angle — all produced to ISO 9001:2008 quality standards and Indonesian National Standard (SNI) specifications. The company's metallurgical differentiation sits in proprietary heat-treatment and high-strength rebar technology that delivers 8-10% steel-cost savings to buyers in seismic zones.

The business model is hardware sales of construction-grade steel via direct enterprise field sales. Distribution runs through a sales office in central Jakarta and direct plant sales to construction contractors, with active export channels to Singapore, Hong Kong, Vietnam, Cambodia, Australia, the USA, and the Middle East. The customer base is concentrated among Indonesia's major construction contractors — including PT Waskita, PT PP, PT Indopora, PT Adhi Karya, PT Total BP, and PT Tatamulia — alongside government infrastructure projects served through products approved by foreign civil-engineering authorities. Pricing is unit-based with minimum order quantities and customized sizing to international standards on request; no specific price lists are publicly disclosed. The company's expansion roadmap centers on equipment modernization (new 600,000 tpa bar mill and 500,000 tpa wire-rod and bar combi-mill), environmental investments under its "Going GREEN-er" campaign, and deeper international commercialization of the BJTS-50 HR grade.

Name

The Master Steel

Legal name

PT The Master Steel Mfg

Website

https://themastersteel.com

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

PT The Master Steel Mfg is an Indonesian steel manufacturer founded in 1972 that produces rebar, wire rod, and structural steel sections (I-beam, channels, angles) across four plants in Jakarta and Gresik with 1.5M tpa capacity. It sells primarily to domestic construction contractors and exports to seven international markets under proprietary BJTS-50 HR seismic-resistant rebar technology.

Ownership category

akta.pro rank

Product category

Steel Manufacturing and Construction Materials

NAICS

Steel Product Manufacturing from Purchased Steel (3312)

SIC

Fabricated Structural Metal Products (3440)

akta.pro primary industry

Long Products Manufacturing (Rebar, Wire Rod, Merchant Bar, Sections/Beams) (IMAKABAH)

akta.pro secondary industry

Steel Plate, Sections & Welded Assemblies (IMADACAD)

Keywords

• Construction steel products
• Rebar steel products
• Structural steel sections
• Merchant bar products
• Wire rod products

Headquarters

HQ city

Jakarta Pusat

HQ country

Indonesia

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Others

Revenue model

1. Steel Products Manufacturing and Sales: PT The Master Steel Mfg manufactures and sells steel products including concrete-reinforced bar, wire-rod, flat bar, square bar, and merchant bar such as equal angle, U-channel, and I-beam. Products are sold domestically throughout Indonesia and exported to international markets including Singapore, Hong Kong, Vietnam, Cambodia, Australia, USA, and Middle East. The company operates four major steel plants with combined capacity of 1.5 million tpa, with expansion plans to reach 2 million tpa capacity by 2014.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

PT The Master Steel Mfg manufactures and sells construction-grade steel products including concrete-reinforced bar (rebar), wire rod, wire mesh, I-beam, UPN channel, equal angle, square bar, and flat bar from four steel plants in Indonesia with combined capacity of 1.5 million tonnes per annum. The company's flagship offering is BJTS-50 HR, a proprietary high-strength earthquake-resistant rebar grade that has become a globally adopted standard, delivering 8-10% steel cost savings while maintaining safety factors in building construction. Products conform to Indonesian National Standards (SNI) and international specifications and are sold to construction contractors and infrastructure developers across Indonesia and in international markets.

Product overview

PT The Master Steel Mfg is a steel manufacturing company established in 1972, operating as one of Indonesia's pioneers in steel-making and rolling. The company's product portfolio consists of eight distinct steel product lines spanning bar products (rebar, square bar, flat bar), wire products (wire rod, wire mesh), and structural/m merchant bar (I-beam, UPN channel, equal angle). These products are produced to Indonesian National Standards (SNI) and international specifications, serving construction projects throughout the Indonesian archipelago and international markets including Singapore, Hong Kong, Vietnam, Cambodia, Australia, USA and the Middle East. The company operates four major steel plants with a combined capacity of 1.5 million tpa across Jakarta and Gresik (East Java), with expansion plans targeting over 2 million tpa capacity.

Differentiator

Problem solved

Functional benefit

Products and services

• Rebar High quality round bars produced in different sizes, grades, and standards (SNI 07-2052-2002). Used as concrete-reinforced bar in commercial and residential buildings, warehouses, and infrastructure. Also suitable for pump shafts, scaffolding, cold drawing, and fastener applications. The BJTS-50 HR earthquake-resistant grade variant offers 8-10% steel cost savings.
• I-beam Superior quality steel I-beams produced to international specifications (SNI 07-0329-2005) in various sizes. Lightweight structural beams primarily used in commercial and residential building structures and warehouses requiring strong framework.
• UPN Channel High quality, lightweight UPN steel channels in various sizes produced per SNI 07-0052-2006. Built to international specifications with close dimensional tolerances, best suited for applications requiring a strong steel framework such as warehouses and pre-engineered buildings.
• Equal Angle Wide range of equal steel angles in various sizes, thicknesses and grades produced per SNI 07-2054-2006, including high tensile steel angles suited to critical applications in transmission towers. Customized sizes based on other international standards available upon request with minimum order requirement.
• Wire Rod High quality wire rod in different sizes, grades, and standards produced per SNI 07-0053-2006 to international specifications for various industrial applications including downstream wire mesh and fastener production.
• Wire Mesh High quality round-bar wire mesh in different sizes, grades, and standards produced per SNI 07-0663-1995. Primarily used in commercial and residential building structures and warehouses as concrete reinforcement.
• Square Bar Steel square bars in different sizes and grades maintaining close dimensional tolerances and required mechanical properties. Ideal for pump shafts, scaffolding, cold drawing, and fastener applications.
• Flat Bar Wide range of flat bars in various sizes, thicknesses, and grades including high tensile flat bars suited to critical applications in pre-engineered buildings. Produced to international specifications with close dimensional tolerances and accurate mechanical properties.

Quantifiable outcome

• 80% improvement in safety performance in 2010
• +2 more outcomes

Named customers8 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Tata Steel: One of the world's largest steel producers with deep long-products exposure (Tata Steelium rebar, structural sections). Comparable as a global incumbent in rebar and merchant bar with proprietary earthquake/corrosion-resistant grades competing in similar Asian and seismic-zone markets.
• POSCO: Major South Korean integrated steel producer with significant long-products, rebar, and structural section capacity. Competes in Southeast Asian export markets including Indonesia and Singapore, overlapping with Master Steel's export footprint.
• Nippon Steel Corporation: Global steel incumbent with broad long-products, structural steel, and seismic-grade rebar offerings. Active across Asia and the Middle East, competing for the same infrastructure and high-rise construction customers.
• Hyundai Steel: South Korean integrated steel producer with strong rebar, structural section, and merchant bar offerings. Active across ASEAN and the Middle East with proprietary high-strength and seismic-resistant grades overlapping Master Steel's BJTS-50 HR positioning.
• ArcelorMittal: The world's largest steel producer with broad long-products and structural steel capabilities. Competes with Master Steel through global rebar supply chains and serves construction customers across Southeast Asia and the Middle East.

Emerging players

• JSW Steel: India's largest long-products steel producer with growing rebar, structural, and coated steel capacity. Comparable emerging-market producer targeting Southeast Asian export markets and competing on cost-effective seismic-grade rebar.

Direct peers

• Krakatau Steel (PT Krakatau Steel Tbk): Indonesia's largest state-owned steel producer and the most direct domestic competitor to Master Steel. Both manufacture long products and serve Indonesian construction and infrastructure markets, with overlapping product portfolios in rebar, wire rod, and structural sections.
• Gunung Steel Group: Indonesian long-products steel manufacturer producing rebar, wire rod, and sections for domestic and regional construction markets. Directly comparable in product mix, customer base (Indonesian contractors), and geographic focus.
• PT Gunung Raja Paksi: Indonesian steel manufacturer producing hot-rolled steel plate, sheet, and structural sections for construction and infrastructure. Overlaps with Master Steel in structural sections (I-beam, UPN) and serves similar Indonesian contractor customers.

Regional players

• G Steel Public Company: Thai long-products steel manufacturer serving ASEAN construction markets with rebar and sections. Operates in a similar regional geography and competes indirectly with Master Steel across Southeast Asian export corridors.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/themastersteel
• Facebookfacebook.com/Master-steel-100067346032799
• LinkedInlinkedin.com/company/the-master-steel-manufactory

Compliance14 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about The Master Steel