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Shape & Sizes
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    Flats:

    Major application of long product in flat shape is spring steel that goes into the automobile and railway suspension.The Steel Grades for Spring Steel application include Silico Manganese, Chrome, Moly, Vanadium steel. The Steel is manufactured as per national & international product standard like: DIN, SAE/AISI, BS, IS et cetera. We can also produce steel as per customer specific requirements.

    Sunflag has the capability to supply Flat Steel products in sizes 50-150mm Width, 5-34mm Thick.

    Round Bars & Coils:

    Sunflag manufactures a wide range of round bars of various steel categories like Forging Quality (carbon steel, alloy steel), Free-Cutting steel, Spring Steel, Cold Heading Quality (CHQ) steel, Bearing Steel and Stainless Steel – Ferritic, Austenitic & Martensitic. The Steel is manufactured as per national & international product standards like DIN, SAE/AISI, BS, IS et cetera. We can also produce steel as per customer-specific requirements.

    Sunflag has the capability to supply Round Steel Bars in sizes 15 to 350mm diameter in straight lengths. Wire rods rounds of sizes 5.5 to 38mm dia are also available. 

    Rolled Bars & Wires:

    It can be supplied in Hot Rolled Condition or in Heat Treated Condition (Annealed / Normalized / Sp. Annealed / Solution Annealed / Hardened & Tempered) as per customer’s requirement.

    It also available in various finished conditions like: – Peeled & Ground (sizes – 5 to 100mm dia), Drawn & Ground (sizes – 6 to 34mm dia) and in Spheriodised Annealed – Pickled – Phosphated – Drawn: SAPPD (wire sizes – 5 to 30mm dia).

    Round Cornered Squares (RCS):

    RCS bars of Forging Quality (carbon steel, alloy steel) & Free-Cutting steel are available.

    Sunflag has the capability to supply RCS Bars in sizes 40 to 350mm.

    The Steel is manufactured as per national & international product standards like: DIN, SAE/AISI, BS, IS et cetera. We can also produce steel as per customer specific requirements. 

    Sunflag has the capability to supply Round Steel Bars in sizes 15 to 350mm diameter in straight lengths. Wire rods rounds of sizes 5.5 to 38mm dia are also available. 

    Hexagonals

    Bars & Wire Rods in Hexagonal Cross-section of various categories like – Carbon Steel, Alloy Steel & Free-Cutting Steel are available.

    Sunflag can provide Hex bars of sizes 5.5mm to 38mm A/F and Hex Wire Rods of sizes 15.5 to 25.5mm A/F.

    The Steel is manufactured as per national & international product standards like: DIN, SAE/AISI, BS, IS et cetera. We can also produce steel as per customer specific requirements.

    ECT For Bars

    Acceptance Criteria

    Minimum defect depth and length (FBH)

    • 0.7 mm FBH from 15—60 mm dia
    • 1.2 mm FBH above 60 dia

     
    Minimum defect depth and length (SDH)

    • 0.5 mm x 10 mm {from 15—120 mm dia)
    • 0.3 mm SDH sensitivity can deduced by
      extrapolation depending on material SNR.

    Phased Array Auto Ultrasonic Testing Salient Features

    Phased Array Technology

    Phased Array testing is a specialized type of ultrasonic testing that uses sophisticated multi- element array transducers and powerful instrumentation/software to steer ultrasonic beams through the test piece and map returning echoes.

    No rotating movement, only electronic scanning is done:

    • Depth focalization for bar volume inspection (LW)
    • Electronic steering for bar surface inspection (SW)

    Quality Highlights:

    Capacity — 15 to 120 mm dia. Full bar volume inspection

    Sunflag R&D Lab Is Equipped With Following State Of The Art Equipment

    • Scanning Electron Microscope with Energy Dispersive X—Ray Spectroscope (SEM—EDS) of Make — JOEL
    • Immersion Ultrasonic Testing Facility of Make — Olympus / Blue Star
    • Optical Microscope with Automatic Multiaxis stage Movement and Image Analysis software
    • Micro—hardness tester
    • Ferritometer
    • NABL Certified Testing Lab
    • R & D Centre Recognised DSIR Government of India

    Scanning Electron Microscope With Eds

    • Key Function

    – Microstructure analysis
    – Quantitative 8L qualitative Analysis of Inclusions

    • Failure Analysis
    • Fractography
    • Inclusion with quantitative elemental analysis

    Salient Features

    Dimension of samples that can be tested :

    – Round Bars :

    • Size 15-120 mm die.
    • Length 800mm
    • Round Corner Square Bars:
    • Size 60420 mm

    UST Prob: 10 MHz — 6mm As Per Sep 1927