Seven Star Speciality Steel
Seven Star Speciality Steel
Girgaon, Mumbai, Maharashtra
GST No. 27AAAPD4930E1Z9
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Steel Round Bar

Manufacturer of a wide range of products which include carbon steel round bars, k310 rounds rod, round bar (c-45), hot die steel bar (h13 grade), hot-tool steel bar (kda 1) and steel roller round bars.

Carbon Steel Round Bars

Carbon Steel Round Bars
  • Carbon Steel Round Bars
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Approx. Price: Rs 50 / PieceGet Latest Price

Product Details:

Material GradeC-45 (En-8)
BrandSeven Star
Usage/ApplicationConstruction
Single Piece Length6 meter
Test CertificateMTC
FeaturesCarbon %
Finishsmooth
Thickness/Diameter150-330 mm
Size6000mm

We are one of the leading importer and stockiest of C45 Round Bar (EN8) which is used in construction 


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K310 Rounds Rod

K310 Rounds Rod
  • K310 Rounds Rod
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Approx. Price: Rs 90 / PieceGet Latest Price

Product Details:

Material Grade310
Single Piece Length6 meter
BrandSeven Star
Usage/ApplicationConstruction
ShapeRound
Size150mm to 430mm
Surface FinishPolished
Thickness/Diameter150-235 mm
MaterialCarbon Steel

Alloy steel rounds grade K310 Rounds For Rolls imported make Forged annealed VD route  Prime virgin material with mill approved by quality rolls manufacturers across India.
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Round Bar (C-45)

Round Bar (C-45)
  • Round Bar (C-45)
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Approx. Price: Rs 50 / PieceGet Latest Price

Product Details:

Material GradeC45
Usage/ApplicationManufacturing
Single Piece Length6 meter
Test CertificateMill Tc
BrandSeven Star
MaterialCarbon Steel
UsageIndustrial
Thickness3-15 mm

We offer our client an excellent quality range of non-alloy steel Round Bar (C-45) which are manufactured from high-grade quality raw materials. These steel round bar can be customized as per our precious customer's specifications. These steel round bars are widely known for its durability and quality. Our steel round bar can be availed at industrial leading price.
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Hot Die Steel Bar (H13 Grade)

Hot Die Steel Bar (H13 Grade)
  • Hot Die Steel Bar (H13 Grade)
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Approx. Price: Rs 250 / PieceGet Latest Price

Product Details:

Material GradeH13
Single Piece Length6 meter
BrandSeven Star
Usage/ApplicationIndustrial
ShapeRound
Size150mm to 430mm
Surface FinishPolished
MaterialCarbon Steel
Thickness/Diameter4-25 mm

We are offering our clients, a wide range of Hot Die Steel Bar (H13 Grade) that is deigned in compliance with international quality standards. Our range is procured from the reliable vendors of the market who manufactured the range by using high -quality raw material with better processing and servicing properties.

Specification :
AMS 6408
ASTM A681 (H-13)
SAE J437 (H13)
SAE J438 (H13)
SAE J467 (H13)
UNS T20813

 

Chemistry Data
Carbon0.32 - 0.45
Chromium4.75 - 5.5
Manganese0.2 - 0.5
Molybdenum1.1 - 1.75
Phosphorus0.03 max
Silicon0.8 - 1.2
Sulphur0.03 max
Vanadium0.8 - 1.2

 

Physical Data
Density (lb / cu. in.)0.283
Specific Gravity7.8
Melting Point (Deg F)2600
Modulus of Elasticity Tension29

 

General Description :

Principal Design Features:

  • This alloy is one of the Hot Work, Chromium type tool steels. It also contains molybdenum and vanadium as strengthening agents. The chromium content assists this alloy to resist softening if used at higher temperatures.


Applications:

  • H13 finds applications for hot die work, die casting and extrusion dies.


Machinability:

  • Machinability of H13 is medium to good. It rates as 75% that of the W group water-hardening tool steels which are low alloy and of generally good machinability.


Forming:

  • H13 has good ductility and may be formed by conventional means.


Welding:

  • This alloy is weldable. Contact the alloy supplier for information on welding procedures.


Heat Treatment:

  • Preheat to 1500 f and then heat to 1850 F. Hold at 1850 f for 15 to 40 minutes and then air cool (air quench).


Forging:

  • Forge at 1975 F down to 1700 F. Do not forge below 1650 F.


Hot Working:

  • No data are given other than for "Forging".


Cold Working:

  • This alloy may be cold worked by conventional methods.


Annealing:

  • Anneal at 1600 F followed by slow furnace cooling at a maximum of 40 F per hour.


Aging:

  • Not applicable to this alloy.


Tempering:

  • Temper at 1000 F to 1200 F for Rockwell C of 53 to 38. It is advisable to do a double temper by repeating the process and use 1 hour at temperature each time.


Hardening:

  • See "Heat Treating" and "Tempering".

 

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Hot-Tool Steel Bar (KDA 1)

Hot-Tool Steel Bar (KDA 1)
  • Hot-Tool Steel Bar (KDA 1)
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Approx. Price: Rs 280 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity1000 Kilogram
ApplicationIndustrial
Material GradeKDA1
ShapeRound
Tolerance+ - 10%
Thickness2-30 mm
BrandSeven Star
MaterialHot Die Steel

Hot-Tool Steel (KDA 1) imported and supplied by us is general-purpose hot-tool steel. These products are known to have a higher strength at high temperature and tenacity than the general-purpose hot-tool steel KDS (equivalent to SKD61). We have built an advanced quality testing facility, wherein we stringently test these products before dispatching to the market.

Features:

Superior heat-check resistance:

  • Hard to crack in comparison with the SKD61, and has a finer structure. Has superior heat-check resistance equivalent to the KDA1S and offers a longer service life


Superior Tenacity:

  •  80% or higher tenacity than the SKD61 (in the T direction) Good tenacity equivalent to the KDA1S.

 
 Superior heat-softening resistance:

  • Twice as high heat-softening resistance as the SKD61 maintains high hardness for a long time

 

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Steel Roller Round Bars

Steel Roller Round Bars
  • Steel Roller Round Bars
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Approx. Price: Rs 80 / onwardsGet Latest Price

Product Details:

Material GradeAlloy
BrandSeven Star
Usage/ApplicationConstruction
Single Piece Length6 meter
Test CertificateMill Tc
Thickness/Diameter5-25 mm
MaterialAlloy Steel

Grade: 52100 (En-31) Hot Forged, Sp Annealed, Rough Turned this process makes it more suitable for making rollers. Material Quality is proven and approved by many companies across PAN India.
Specialty for making Steel Roller Round Bars, rolling mill rollers.
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Reach Us
Pranav Vinod Doshi (Proprietor)
Seven Star Speciality Steel
No. 105/106, Building No. 9, Coover Mansion, 1st Parshiwada, Nanubhai Desai Road
Girgaon, Mumbai - 400004, Maharashtra, India


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