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Invar 36 Round Bars & Rods

Invar 36 Round Bar Manufacturers, Invar Alloy 36 Rod Suppliers.

Most Reliable Stockists, Suppliers & Exporters of UNS K93603 Invar 36 Round Bars, Alloy 36 Rods, Hex Bar, Square Bar, Black Bar, Forged Bars, Threaded Bar, Flat Bar in India, UAE, Saudi Arabia, Singapore, Malaysia, US, Philippines, Qatar, Indonesia, Australia, South Africa, UK, Europe, Korea, Thailand.

Buy ASTM F1684 Invar Alloy 36 Polished Bar, Hexagonal Bar, Hot Rolled Round Bar, Cold Drawn Bar, Rectangular Bar, Alloy 36 Bright Bar, Forged Bar, Cold Finished Bars, Invar Alloy 36 Hollow Bar in all Sizes at Market Leading Prices.

Invar 36 Bars & Rods

Invar 36 Round Bar is also known as UNS K93603 Round Bar. It is a nickel-iron, low expansion alloy that contains 36% nickel and possesses a rate of thermal expansion approximately one-tenth that of carbon steel. ASTM F1684 Alloy 36 maintains nearly constant dimensions over the range of normal atmospheric temperatures and has a low coefficient of expansion from cryogenic temperatures to about 500°F. This nickel-iron alloy is versatile, tough and retains good strength at cryogenic temperatures.

To keep the changing trends in the steel industry, Siddhgiri Tubes are largely engaged as manufacturers and stockists of a wide assortment of Invar 36 Hex Bars and Flat Bars in India. A team of our skilled professionals makes use of optimum grade materials for designing a bar and rod. Also, these Invar 36 Square Bars are designed using high-quality resources. Available at market leading prices.

We are PED approved Suppliers and Exporters of UNS K93603 Round Bars, Rods, Hex Bar, Square Bar, Black Bar, Forged Bars, Threaded Bar, Flat Bar, Polished Bar, Hexagonal Bar, Rectangular Bar, Bright Bar, Forged Bar, Hot Rolled Round Bar, Cold Drawn Bar, Cold Finished Bars, Hollow Bar in Iraq, Oman, Qatar, Singapore, Bahrain, Kuwait, India, Saudi Arabia and the United Arab Emirates (UAE).

Popular Product Searches on Siddhgiri:
Square Bars | Forged Round Bar | Steel Hex Bar | Polish Bar | Bright Round Bars | Black Round Bars

Invar 36 Bar Specifications

Product Invar 36 Round Bar
Specification AFNOR NF A54-301 (chemistry only), Werkstoff 1.3912, EN 1.3912, UNS K93600, ASTM F 1684-06, UNS K93603
Round Bars Size Range 8 mm To 160 mm
Tolerance K10, K11, K12, H8, H9, H10, H11, H12, H13K9, or as per clients’ requirements
Finish Black, Rough Turned, Bright Polished, Matt Finish, NO.4 Finish, BA Finish
Form Square, Round, Billet, Hex (A/F), Ingot, Rectangle, Forging Etc.
Condition Hardened & tempered, annealed
Surface Cold Drawn, Bright, Sand Blasting Finished, Hot Rolled Pickled, Hairline, Polished
Price Terms Ex-Works, FOB, CFR, CIF, CNF
Latest Price Call +91 9619406392

Invar 36 Bars Equivalent Grades

Invar 36 1.3912 K93603

Invar 36 Bar & Rod Available Types / Forms

Invar 36 Polished Round Bar Invar Alloy 36 T-Bar
UNS K93603 Square Bar Invar 36 Triangle Bar
DIN 1.3912 Invar Flat Bar Alloy Steel 36 Hex Bar
ASTM F1684 Invar 36 Hollow Bar ASTM F1684 Alloy 36 Rod and Bar
UNS K93603 Precistion Ground Bar WERKSTOFF NR. 1.3912 Threaded Bar
ASTM F1684 Alloy 36 Round Bars ASTM F1684 Invar 36 True Bar
Invar 36 Cold Drawn Bar Alloy 36 Hot Rolled Bar
Cold Finished Invar 36 Bright Bar Invar Alloy 36 Half Round Bar
Alloy 36 Polish Bar Alloy 36 Black Bar
Invar 36 Angle Bar Invar 36 Forged Bar

Invar 36 Bar Chemical Composition

Grade C Mn P S Si Ni Cr Fe W Co
Invar 36 .15 max .60 max .006 max .004 max .40 max 36.0 nom .25 max Bal .50 max

Invar 36 Bar Mechanical Properties

Tensile Strength ksi 75
MPa 518
Yield Strength ksi 40
MPa 276
Elongation % in 2 in. 34
Typical Hardness Ann. Rockwell HRB 80
Modulus of Elasticity Mpsi 20.5
kMPa 141

Why Choose Us To Buy Invar 36 Bars & Rods?

  • Proven execution of small as well as large batch orders of Hot & Cold Rolled Invar 36 Round Bar.
  • Our adherence to principles of Total Quality Management(TQM) has helped us in receiving ISO 9001:2015 Certification.
  • Well-furnished infrastructural facility.
  • Well-designed Invar 36 Round Bars and Rods.
  • Timely delivery of Invar 36 Bright Round Bars.
  • Industry-leading prices.
  • Ethical business policies.
  • We exercise stringent quality control measures for ensuring the accurate dimensions and mechanical properties of Alloy 36 Round Bar & Rod.
  • Transparent business dealing.
  • Modern infrastructure and dedicated team.
  • High-quality raw material used.
  • Rich vendor base.
  • Wide recognition in steel market & industries.
  • Customized Manufacturing of Invar 36 Round Bars.
  • Online Customer Support (Use live chat option on website).
  • Professional packaging ensures that your Invar Alloy 36 Bar is received in top condition.

Invar 36 Round Bars and Rods Applications

  • Condensers
  • Gas Processing
  • Petrochemicals
  • Pharmaceuticals
  • Power Generation
  • Chemical Equipment
  • Sea Water Equipment
  • Specialty Chemicals
  • Pulp and Paper Industry
  • Boiler & Heat Exchangers
  • High Pressure Applications
  • off-Shore Oil Drilling Companies
  • Food Processing and Dairy Industries
Industrial Applications

Invar 36 Bar & Rod Testings

  • Micro test
  • Macro test
  • Flaring test
  • Chemical test
  • PMI Testing
  • IGC test and hardness test
  • Mechanical test and flattening test
Material Testings


Documents like QAP Packaging list
NABL approved lab test report Guarantee letter
Buyers report Third-party test report
Raw material test report Material Traceability report
Commercial invoice to buyers The TC like MTC as per EN 10204/3.1B

Invar 36 Bars and Rods Packaging

Siddhgiri Tubes is focusing on every procedure to assure quality. Invar Alloy 36 Round Bars are subject to surface wash and cleaning to remove all impurities. After that bars and rods are wrapped in thin plastic. Then an outer rope is tied to protect the Invar Round Bars and they are packed in a container or wooden box.

Countries We Supply & Export Invar 36 Bars & Rods

Afghanistan, Albania, Algeria, Armenia, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Bulgaria, Cameroon, Canada, Chile, Colombia, Congo, Costa Rica, Denmark, Egypt, Finland, France, Georgia, Germany, Ghana, Greece, Greenland, Haiti, Hong Kong, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Korea, Kuwait, Lebanon, Macao, Malaysia, Mexico, Monaco, Myanmar, Nepal, Netherlands, New Zealand, Nigeria, Norway, Oman, Peru, Philippines, Poland, Portugal, Qatar, Romania, Saudi Arabia, Serbia, Singapore, Slovakia, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Tanzania, Thailand, Tunisia, Turkey, Turkmenistan, Uganda, Ukraine, UAE, United Kingdom, USA, Uzbekistan, Viet Nam, Yemen.

Worldwide Exporters of Bars and Rods
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