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Haynes 188 Bar

What is Haynes 188 Bar ?

Haynes 188 bar is a high-performance cobalt based alloy made of cobalt, nickel, chromium and tungsten. It handles heat and corrosion better than most materials in extreme conditions. With strong resistance to oxidation up to 2000°F and protection against sulfate corrosion, it performs well under stress. Parag Metal offers top-quality Haynes 188 round bars that meet demanding mechanical needs. In annealed form, it delivers a tensile strength of 125 ksi. In spring, it reaches a temperature of up to 200 ksi. It’s used in both low and high temperatures, ranging from -300°F to 2000°F.

 

This alloy resists hot corrosion, even in harsh environments like those with molten chloride salts or sulfation gases. It maintains its strength at high temperatures and does not degrade quickly when subjected to heat or stress over time.  It is dependable for heavy-duty industrial applications and versatile enough to be bent and cut without losing strength.

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Haynes 188 Round Bar

Haynes 188 bar is used in gas turbines, heat exchangers, aerospace parts, and furnace components. Its high heat tolerance makes it great for aircraft engine parts. It meets standards like ASTM 5772 and ASME S5772. It is available in dimensions such as EN, DIN, JIS, ASTM, BS, ASME, and AISI. Haynes 188 round bar comes in sizes from 3 mm to 800 mm with tolerances like H8 to H13 and K9 to K12. Finishes include black, polished, rough-turned, matte, or bright.

 

Every alloy 188 bar undergoes chemical, mechanical, and non‑destructive testing. We maintain a ready stock of bright, cold‑finished round bars. As a round bar supplier in India, we conduct various tests such as tensile strength, hardness, and composition, and ship promptly worldwide. For reliable and certified Haynes 188, contact us today to discuss stock availability, pricing, and custom finishes.

Advantages of Haynes 188 Bar

  • Excellent high-temperature strength, maintaining performance up to 2100°F (1150°C).

  • Outstanding oxidation and corrosion resistance, even in aggressive environments.

  • Superior creep and fatigue resistance, ideal for gas turbines and aerospace components.

  • Dimensional stability under thermal cycling.

  • Durable and long-lasting, reducing maintenance and replacement costs.

Uses of Haynes 188 Bar

  • Used in aerospace for gas turbine components exposed to high temperatures.

  • Applied in power generation for turbine blades, discs, and combustion chamber parts.

  • Used in chemical and petrochemical industries for high-temperature process equipment.

  • Employed in furnace and heat treatment applications requiring resistance to oxidation and creep.

  • Used in marine engineering for engine components operating under extreme heat and corrosive conditions.

Specification of Haynes 188 Bar

Standards ASTM 5772, ASME S5772
Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI
Wire Thickness starting from 0.05mm
Round Bar Size Diameter: 3 ~ 800mm
Hex Bar Size 2 – 100mm A/F
Flat Bar Size Thickness: 2 – 100mm / Width: 10 to 500mm
Square Bar Size 4 to 100mm
Rectangular Bars Size 33 x 30mm to 295 x 1066mm
Hollow Bar 32mm OD x 16mm ID to 250mm OD x 200mm ID
Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finish Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish

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Available Types of Haynes 188 Bar

Haynes Square Bar

Haynes 188 Square Bar

Haynes Flat Bar

Haynes 188 Flat Bar

Haynes Hex Bar

Haynes 188 Hex Bar

Haynes Hollow Bar

HHaynes 188 Hollow Bar

Haynes Rectangular Bar

Haynes 188 Rectangular Bar

Haynes Polished Bar

Haynes 188 Polished Bar

Haynes 188 Round Bar Equivalent Grades

STANDARD WERKSTOFF NR. UNS
Haynes 188 2.4683 R30188

Chemical Composition Of Haynes 188 Bar

C MN P S Si Cr Ni Mo Cu Co Cb Ti B Fe
.05 -.15 1.25 max .020 max .015 max 20- .50 21.0 -23.0 20.0 -24.0 bal .015 max 3.0 max

Haynes 188 Bar Mechanical Properties

Tensile Strength Yield Strength (0.2%Offset) Elongation
ksi – 65 , MPa – 446 ksi – 140 , MPa – 963 55 %

Haynes 188 Bar Round Bar Sizes

Size (in.) WT / ft
5/16″ 0.290
9/16″ 0.930
7/16″ 0.560
13/16″ 1.950
1″ 2.90
15/16″ 2.625
1-1/16″ 3.30
1-1/4″ 4.625
1-1/8″ 3.700
1-5/16″ 5.100
3/16″ 0.104
1-7/16″ 6.100
1-3/8″ 5.625
1-1/2″ 6.625
1-3/4″ 9.030
1-5/8″ 7.800
1-7/8″ 10.400
2-1/4″ 14.920
2″ 11.80
2-3/8″ 16.920
3″ 26.53
2-1/2″ 18.42
Size Kgs / Mtr
1″ 3.0970
24 mm 3.0543
20 mm 2.0470
25 mm 3.0871
27 mm 4.0490
26 mm 4.0170
1 to 1/8″ 5.0033
1 to 1/4″ 6.0349
30 mm 5.0548
32 mm 6.0314
1 to 3/8″ 7.0550
35 mm 7.0553
36 mm 7.0999
7/8″ 3.0038
38 mm 8.0903
22 mm 2.0979

Application Industries of Haynes 188 Bar

Export Countries for Haynes 188 Bar

  • ASIA – China, Thailand, Singapore, Sri lanka, Bangladesh, Japan, Philippines, Vietnam, Nepal, Bhutan
  • Middle East – Kuwait, Dubai, Saudi Arabia, Qatar, Oman, Bahrain, Jordan
  • Europe – United Kingdom, Italy, Belgium, France, Croatia, Spain, Germany, Russia, Denmark
  • South America – Argentina, Chile, Brazil, Colombia, Paraguay
  • Africa – Ghana, South Africa