Stainless Steel Black Round Bars

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Introducing Smruti Steel, your trusted provider of exceptional cold finished Black Bars. We take pride in offering an extensive range of stainless steel grades tailored for various machining and structural applications, ensuring superior quality in every product.

Our state-of-the-art Stainless Steel manufacturing facility boasts a comprehensive range of in-house capabilities. From heat treatment encompassing annealing, solution annealing, hardening, and tempering to pickling, straightening, peeling, drawing, centreless grinding, polishing, and buffing – we have it all covered.

To enhance machinability, our Stainless Steel Black Bars undergo a special calcium treatment and are finished with high sulphur materials. This unique approach results in improved workability and performance.

The outstanding properties of our Black Bars are validated by several key factors:

  • Impeccable chemical composition and mechanical properties.
  • Utilization of the latest cutting-edge technology in our Managed Metallurgical Operations.
  • Thorough inspection to ensure freedom from any internal defects.

    Product Specifications

    Size Range 2 mm to 400 mm (3/16 inch to 16 inch)
    Size Tolerances h8, h9, h10, h11, h12, k12, k13, A-484, EN-10060, DIN-1013 etc.
    Length 2 meters to 8 meters (8 feet to 26 feet)
    Chamfering Available in 30°, 45° & 60° through fully automatic, both-end chamfering machine
    Crack Test Magnetic Particle Inspection (MPI)
    Ultrasonic Test 100% tested through Digital Ultrasonic Flaw Detector, as per ASTM A-388, EN 10308 (class 1 to 4), API 6A/ISO 10423:2003-PSL 3, SEP 1920:1984 (class A, B, C), MIL STD 2154
    Length Tolerance Black Bars available in special cuts with tolerance limits ranging between -0 to +0.5 inch (or 0 to +10mm)
    Surface Finish Centreless Ground & Belt Polished, up to Ra value = 0.2 um (12 RMS), and Grit Polished of up to 180 to 600
    Heat Treatment
    • Solution Annealing
    • Annealing
    • Hardening & Tempering (QT) – QT700, QT800, QT850, QT900
    • Aging/Double Aging

    • Tensile testing machine
    • Hardness testing machine
    • Ultrasonic testing machine with continuous bar feeding facility
    • Surface roughness tester
    • Radiation servo meter
    • Impact testing machine
    • Microscope with image analyzer and micro photo facilities
    • High precision digital laser micrometer
    • Eddy current tester
    • IGC test facilities

    AISI:

    201
    202
    204Cu
    301
    303
    304/304L
    316/316L
    309
    309S
    310
    310S
    316Ti
    317L
    347
    321
    321H
    403
    410
    416
    420
    430
    430F
    431
    630
    17-4PH
    F51
    F60

    DIN:

    WNR1.4597
    WNR1.4301
    WNR1.4305
    WNR1.4306
    WNR1.4307
    WNR1.4401
    WNR1.4404
    WNR1.4571
    WNR1.4541
    WNR1.4828
    WNR1.4841
    WNR1.4845
    WNR1.4418
    WNR1.4449
    WNR1.4435
    WNR1.4438
    WNR1.4310
    WNR1.4550
    WNR1.4541
    WNR1.4878
    WNR1.4006
    WNR1.4005
    WNR1.4021
    WNR1.4028
    WNR1.4016
    WNR1.4104
    WNR1.4105
    WNR1.4057
    WNR1.4542
    WNR1.4462

    The high-quality, sturdy stainless steel that our clients receive come straight from state-of-the-art manufacturing facilities. Our production facilities are laden with modern, technologically-advanced and sophisticated equipment.

    • Electric Melting Furnaces
    • Centerless Grinding
    • Bar-to-Bar Drawing Machines
    • Avante-Garde Mechanical & Chemical Laboratory
    • Heat Treatment Furnaces
    • Polishing Machines For Smooth Steel Surface
    • Schumag Combined Drawing & Polishing Machines
    • Modern Finishing & Inspection Lines

    All the processes are carried out under a single roof which ensures that the products are manufactured and delivered on time. We customize the work schedule of our employees to suit the customized requirements of our clients. Our Company adheres to strict quality check procedures, the inspection of which begins from the designing stage right up to the production. It is inspected whether the materials used are in conformity to the agreed specifications.

    If any internal defect is foreseen, we resort to ultrasonic inspection to rectify the same. The quality control measures help us in delivering what has been promised to the client. We have zero tolerance towards negligence and due to this, we have several happy clients.

    We follow stringent quality measurements for ensuring flawless quality to meet customer requirements. We promise our customers the very best, and no stone is left unturned in our efforts to meet this promise. With a customer centric approach, Smruti Steel fulfils the requirement of delivery and service with no compromise on quality.

    100% inspection for all the products, monitoring system to evaluate quality related factors for each manufacturing process, high tech production facilities for Austenitic, Ferritic, Martensitic, Duplex and Precipitation Hardening Stainless Steel grades

    Our certifications such as ISO 9001-2015 approved by TÜV NORD, AD 2000 Merkblatt WO approved by TÜV NORD, Pressure Equipment Directive - PED 97/23/EC approved by TÜV NORD confirm that quality is at the heart of all manufacturing processes at Smruti Steel.

    Certifications

    Smruti Steel is an ISO 14000:2005 and ISO 9001 2015 certified organization. The industry has rewarded us with the following certifications.

    • AD 2000 MERKBLATT W0
    • BS OHSAS 18001:2007
    • PED 97 23 EC