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Haynes 188 Sheet

What is Haynes 188 Sheet?

HAYNES 188 alloy (UNS R30188) is a cobalt-nickel-chromium-tungsten alloy that combines excellent high-temperature strength with outstanding resistance to oxidizing environments up to 2000°F (1095°C) for prolonged exposures and excellent resistance to sulfate deposit hot corrosion. Our haynes 188 sheets are known for durability and top-grade performance in extreme temperatures. Parag Metal is a trusted haynes 188 sheet supplier, offering quality products for high-stress environments. These sheets also offer reliable mechanical strength, stable composition, and consistent physical properties. 

 

Alloy 188 sheets are widely used in gas turbines, combustors, and exhaust systems. It performs well in heat-heavy setups like flame holders, liners, and transition ducts. We supply this alloy in various forms, like coils, foils, rolls, shim sheets, plain sheets and perforated sheets. Based on the need, haynes 188 sheets are available in soft, hard, half hard, quarter hard, and spring hard tempers.

Haynes 188 sheet, Alloy 188 sheet, HS 188 alloy, Haynes 188 alloy sheet, Haynes 188 sheets, Haynes 188 sheet suppliers in India, Haynes 188 sheet suppliers in Mumbai, and AMS 5608 Haynes 188.

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We supply haynes 188 alloy sheets made to AMS 5608, GE B50A712, GE B50TF59, and PWA 1042 specifications. These match industry needs for safety and strength. We also stock UNS S66286 bars to support different industrial needs with matching performance standards. 

 

Every HS 188 alloysheet comes with test certificates to verify quality. These include lab test reports, raw material checks, and third-party inspections on request. We focus on quality, transparency, and customer trust with every order.

Advantages of Haynes 188 Sheet

  • Excellent high-temperature strength, retaining stability up to 1095°C.

  • Outstanding oxidation resistance at elevated temperatures.

  • Superior resistance to carburization and sulfidation in harsh environments.

  • High creep resistance under prolonged thermal exposure.

  • Exceptional fatigue and thermal fatigue strength.

  • Good corrosion resistance across a wide range of industrial applications.

  • Maintains mechanical properties during continuous and cyclic heating.

Uses of Haynes 188 Sheet

  • Used in gas turbine engines for combustor liners, transition ducts, and afterburner parts.

  • Applied in aerospace exhaust systems and high-temperature structural components.

  • Utilized in industrial furnace hardware and heat-treating fixtures.

  • Used in power generation turbines operating under extreme heat.

  • Applied in chemical processing equipment exposed to carburizing or sulfidizing conditions.

  • Used in nuclear reactor systems requiring high thermal stability.

Specification of Haynes 188 Sheet

Specification : AMS 5608 / AMS 5609
Standard : AMS, AMS, API
Specialize sheets : Shim, Perforated Sheet, B. Q. Profile.
Size : 0.5 MM TO 200 MM THICK IN 1000 MM TO 2500 MM WIDTH & 2500 MM TO 12500 MM LENGTH
Finish : Cold rolled sheet (CR), 2D, Hot rolled plate (HR), 2B, BA NO(8), SATIN (Met with Plastic Coated)
Hardness : Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc.
Grade : Haynes 188 (UNS R30188)

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Available Types of Haynes 188 Sheet

Haynes 188 Sheet Equivalent Grades

STANDARD Material No UNS Alloy
Haynes 188 R30605 188

Chemical Composition Of Haynes 188 Sheet

Grade C Mn P S Si Ni Cr Fe W B Mo Co
Haynes 188 0.05 – 0.15 1.25 max 0.020 max 0.015 max 0.20 – 0.50 20.0 – 24.0 21.0 – 23.0 3.0 max 13.0 – 15.0 0.015 max 0.03 – 0.15

Haynes 188 Sheet Mechanical Properties

Yield Strength Tensile Strength Elongation
ksi MPa ksi MPa %
65 446 140 963 55

Haynes 188 Sheet Sizes

Size (in mm)
Size (in inches)
3.40mm
.134″
3.18mm
.125″
4.75mm
.187″
3.96mm
.156″
7.92mm
.312″
6.35mm
.250″
12.7mm
.500″
9.53mm
.375″
19.1mm
.750″
15.9mm
.600″
25.4mm
1″
22.2mm
.875″
31.8mm
1.250″
28.6mm
1.125″
44.5mm
1.750″
38.1mm
1.500″
63.5mm
2.500″
50.8mm
2″
76.2mm
3″
Tolerance over and under nominal thickness t (mm)
Width w (mm) 2.5<t <4.5 4.5<t <6.0 6.0<t <8.0 8.0<t <10.0 10.0<t <12.5 12.5<t <16.0 16.0<t <20.0 20.0<t <25.0 25.0<t <30.0 30<t <40.0
w < 1200 0.20 0.23 0.30 0.32 0.35 0.80 0.80 0.80 1.0 1.4
1200< w <1500 0.20 0.25 0.30 0.35 0.38 0.80 0.80 0.90 1.0 1.4
1500< w <1800 0.20 0.28 0.32 0.38 0.40 0.80 0.80 0.90 1.1 1.5
1800< w <2100 0.20 0.30 0.36 0.40 0.45 0.80      0.80      0.90      1.1         1.5        
2100< w <2400 0.80 0.80 0.80 0.80 0.80 0.90 1.0 1.1 1.5
2400< w <2700 0.80 0.80 0.80 0.80 0.90 1.0 1.1 1.3 1.7
2700< w <3000 0.80 0.90 1.0 1.0 1.0 1.1 1.3 1.4 1.8
Weight of Hastelloy C22 PlatesThickness in inches
0.08 lbs/in²56.245568 kg/m²1/4
0.06000 lbs/in²42.184176 kg/m²3/16
0.161 lbs/in²113.1942056 kg/m²1/2
0.121 lbs/in²85.0714216 kg/m²3/8
0.391 lbs/in²274.9002136 kg/m²1 1/4
0.235 lbs/in²165.221356 kg/m²3/4
0.196 lbs/in²137.8016416 kg/m²5/8
0.313 lbs/in²220.0607848 kg/m²1
0.627 lbs/in²440.8246392 kg/m²2
0.941 lbs/in²661.5884936 kg/m²3
0.274 lbs/in²192.6410704 kg/m²7/8
0.862 lbs/in²606.0459952 kg/m²2 3/4
0.549 lbs/in²385.9852104 kg/m²1 3/4
0.47 lbs/in²330.442712 kg/m²1 1/2
0.784 lbs/in²551.2065664 kg/m²2 1/2
0.705 lbs/in²495.664068 kg/m²2 1/4

Application Industries of Haynes 188 Sheet

Export Countries for Haynes 188 Sheet

  • 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