S M METAL IMPEX
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Gunmetal Products

Unlock the advantages of our Valves, designed and manufactured by a seasoned manufacturer, supplier, and trader with over 7 years of industry expertise. Perfectly suited for applications across India, our selection of Swing Check Valve, Butterfly Valve, and Industrial Valves is engineered to deliver outstanding reliability and performance. When you compare our range, you will find special features such as unmatchable leak-proof construction, top-tier resistance to corrosion, and unparalleled durability that set our products apart from ordinary alternatives. Our valves boast low maintenance requirements and exceptional adaptability across various industrial settings, offering unparalleled operational longevity. Backed by a proven supply ability throughout the domestic market, we assure prompt availability and support, ensuring that you experience the best product quality and after-sales service. Choose our valves for applications that demand only the finest, and discover why clients continue to favour our industry-leading solutions!

Gunmetal Bush

Gunmetal Bush

Alloy
Yes (Copper alloyed with Tin and Zinc)

Application
Other, Wear-resistant mechanical fittings

Chemical Composition
Copper 85-89%, Tin 4-6%, Zinc 4-6%, Lead up to 5%

Color
Golden Bronze

Dimension (L*W*H)
Available in custom sizes

Grade
Gunmetal (LG2, LG4 or as per customer specification)

Hardness
60-90 HB (Brinell Hardness)

Material
Gunmetal Bronze

Moisture
Nil (Dry solid metal component)

Product Type
Other, Flanged/Straight Bush

Purity
Typically 99% pure metals used in alloy (Copper, Tin, Zinc)

Shape
Other, Cylindrical Bush

Standard
IS 318, BS 1400, ASTM B62 or equivalent

Strength
Tensile strength 200-270 MPa

Surface
Polished, Machined

Temper
Annealed/As Cast

Thickness
Customizable as per requirements

Width
As per customer specification

Gunmetal Flat Bar

Gunmetal Flat Bar

Alloy
Yes (Copper Alloy)

Application
Other, General engineering, hydraulic systems, marine hardware

Chemical Composition
Cu: 85%, Sn: 5%, Zn: 5%, Pb: 5% (Typical composition. May vary by grade.)

Color
Golden Bronze

Dimension (L*W*H)
Customizable lengths (1m - 6m standard), various widths and thicknesses

Grade
Gunmetal (commonly LG2, LG4, or as per IS: 318)

Hardness
60-80 HB (Brinell Hardness)

Material
Gunmetal (Copper, Tin, Zinc alloy)

Moisture
Nil

Product Type
Other, Flat Bar

Purity
Typically 85-88% Copper, 4-8% Tin, 2-6% Zinc

Shape
Other, Flat Bar

Standard
IS: 318, BS1400, ASTM B584

Strength
Tensile Strength: 200-320 MPa

Surface
Smooth, Machined

Temper
Annealed/As Cast

Thickness
3 mm to 50 mm (customizable)

Width
10 mm to 200 mm (customizable)

Gunmetal Pipe

Gunmetal Pipe

Alloy
Yes, Copper, Tin, Zinc

Application
Other, Used for fluid conveying, valves, pipe fittings

Chemical Composition
Cu: 85-88%, Sn: 4-10%, Zn: 2-5%, Pb: <1%

Color
Bronze/Golden Brown

Dimension (L*W*H)
Length as per requirement, typical 3m to 6m

Grade
Gunmetal (Red Brass)

Hardness
80-100 BHN (Brinell Hardness Number)

Material
Gunmetal (Copper Alloy)

Moisture
Nil (metallic solid)

Product Type
Other, Hollow Pipe/Tube

Purity
Typically 85-88% copper, 4-10% tin, 2-5% zinc

Shape
Other, Round Pipe

Standard
ASTM B62, IS 318

Strength
Tensile Strength: 270-430 MPa

Surface
Semi-polished

Temper
Annealed or As rolled

Thickness
Custom as per requirement (standard: 2 mm to 20 mm)

Width
Not applicable (round section)

Gunmetal Round Bar

Gunmetal Round Bar

Alloy
Yes, Gunmetal

Application
Other, Heavy-duty engineering, marine, and general industrial applications

Chemical Composition
Copper: 85-88%, Tin: 4-6%, Zinc: 4-6%, Lead: 2-5%

Color
Golden Brown

Dimension (L*W*H)
Custom length, Diameter as required

Grade
LG2, LB2, or as per customer specification

Hardness
65-80 HB (Brinell Hardness)

Material
Gunmetal (Copper-Tin-Zinc-Lead Alloy)

Moisture
Dry, No moisture content (metal rod)

Product Type
Other, Round Bar

Purity
Typically 99% (as per alloy standards)

Shape
Other, Round Bar

Standard
ASTM B584, IS 318, BS 1400

Strength
320-400 MPa (Tensile Strength)

Surface
Polished, Smooth Finish

Temper
As cast / Hardened / Annealed

Thickness
10 mm to 300 mm (may vary as per requirement)

Width
Not Applicable (Round Shape)

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