Hastelloy Round Bar

Hastelloy Round Bar Manufacturer, Supplier & Stockist

Unifit Fastener provides a high-quality line of Hastelloy round bars which can be used in very corrosive and hot temperatures. Hastelloy is an alloy of nickel, mainly consisting of nickel, chromium and molybdenum, with carefully added tungsten, which has a great impact on the aggressiveness of the media. These qualities make Hastelloy bars one of the most reliable materials in terms of industrial needs that are very demanding.

Unifit Fastener provides products such as Hastelloy flat bars, hex bars and rods that are very resistant to corrosion whether in oxidising or reducing atmospheres. Hastelloy C276 round bar and hastelloy c22 round bar grades are especially useful in combating chlorine-induced stress corrosion cracking, pitting and crevice corrosion. The chemistry of the alloy enables it to resist oxidative chemicals at temperatures of up to 1900°F, which makes it applicable in chemical processing and activities that demand a lot of heat.

Hastelloy C276 round bars contain low carbon levels, and this lowers the amount of carbide that precipitates, thus enhancing high levels of performance even after welding. Although such alloys cannot be hardened with the help of heat treatment, they are susceptible to cold working and exhibit high rates of work hardening in contrast to traditional austenitic steels. Hastelloy X and C4 round bars are also characterised by their great fabricability and are welded with the usual methods.

Werkstoff 2.4819 rectangular bars are a great product in marine and crevice services whereby normal stainless steels have been failing. The reason why Hastelloy bars are commonly employed in sour gas wells is their ability to resist hydrogen sulphide, carbon dioxide, and chlorides. Unifit Fastener can be a reliable supplier of Hastelloy round bars in different industries due to constant quality, competitive prices, and reliable supply.

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Hastelloy Round Bar Material Grades

Specification Chart of Alloy C276 Rod

Parameter Alloy C276 Rod Details
Applicable Standards ASTM B574 / ASME SB574
International Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI
Available Size Range 5 mm to 500 mm
Diameter Range 0.1 mm to 100 mm
Standard Length 100 mm to 3000 mm and longer lengths on request
Surface Finish Options Black, Bright Polished, Rough Turned, No.4 Finish, Matte Finish, BA Finish
Dimensional Tolerance H8 to H13, K9 to K12, or as per customer specifications
Product Forms Round Bars, Square Bars, Hex Bars (A/F), Rectangular Bars, Billets, Ingots, Forged Sections

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Types of Hastelloy Round Bar

Chemical Composition of Hastelloy UNS N10276 Square Bar

Grade C Mn Si Co P Fe Mo Ni Cr S W V
Hastelloy C276 0.010 max 1.00 max 0.08 max 2.5 max 0.04 max 4.0 – 7.0 15.0 – 17.0 Balance 14.5 – 16.5 0.03 max 3.0 – 4.5 0.35 max

Mechanical Properties of Alloy C276 (UNS N10276) Cold Drawn Round Bar

Property Value
Density 8.89 g/cm³
Melting Point 1370°C (2500°F)
Tensile Strength 115,000 psi / 790 MPa
Yield Strength (0.2% Offset) 52,000 psi / 355 MPa
Elongation 40%

Equivalent Material Standards for Hastelloy ASTM B574 Polished Bar

Standard / Grade Werkstoff No. UNS Designation JIS Equivalent EN Designation GOST Grade OR / Other Equivalent
Hastelloy C276 2.4819 UNS N10276 NW 0276 NiMo16Cr15W ХН65МВУ ЭП760

Size Chart of ASTM B574 Hastelloy C276 Bright Bar

Processing Type Metric Size Range (mm) Inch Size Range ISO Tolerance Class
Cold Drawn & Ground 10.00 – 75.00 5/16" – 2.50" h8, h9, h10, h11
Peeled & Polished 40.00 – 150.00 1.50" – 6.00" h11, DIN 1013
Peeled & Ground 20.00 – 50.00 3/4" – 2.00" h9, h10, h11
Cold Drawn & Polished 3.00 – 75.00 1/8" – 3.00" h8, h9, h10, h11

Diameter Availability Chart (mm)

Minimum Diameter (mm) Maximum Diameter (mm)
5.0 45.0
6.0 50.0
7.0 55.0
8.0 60.0
9.0 65.0
10.0 70.0
12.0 75.0
16.0 80.0
20.0 90.0
25.0 100.0
30.0 130.0
35.0 160.0
40.0 200.0

Tolerances for Cold Drawn Hastelloy Alloy C276 Bars (BS 970-3)

Shape / Section Size Range (mm) Permissible Variation (mm)
Round Bar ≥6 to ≤18 +0 / −0.070
>18 to ≤30 +0 / −0.085
>30 to ≤50 +0 / −0.100
>50 to ≤80 +0 / −0.120
>80 to ≤100 +0 / −0.140
Flat Bar (Thickness) <18 +0 / −0.110
>18 to ≤30 +0 / −0.130
>30 to ≤50 +0 / −0.250
>50 to ≤80 +0 / −0.350
Flat Bar (Width) <18 +0 / −0.110
>18 to ≤30 +0 / −0.130
>30 to ≤50 +0 / −0.160
>50 to ≤80 +0 / −0.190
>80 to ≤100 +0 / −0.220
>100 to ≤130 +0 / −0.350
>130 to ≤160 +0 / −1.00
>160 to ≤320 ±1.00
Square & Hexagon Bar ≥6 to ≤18 +0 / −0.090
>18 to ≤30 +0 / −0.110
>30 to ≤50 +0 / −0.130
>50 to ≤80 +0 / −0.160
>80 to ≤105 +0 / −0.250

Tolerances of Turned ASTM B574 Alloy C276 Round Bar (BS 970-3)

Round Bar Diameter Range (mm) Permissible Dimensional Variation (mm)
≥ 6 to ≤ 18 +0 / −0.070
> 18 to ≤ 30 +0 / −0.085
> 30 to ≤ 50 +0 / −0.100
> 50 to ≤ 80 +0 / −0.120
> 80 to ≤ 120 +0 / −0.140
> 120 to ≤ 180 +0 / −0.160
> 180 to ≤ 250 +0 / −0.185
> 250 to ≤ 315 +0 / −0.210
> 315 to ≤ 400 +0 / −0.230
> 400 +0 / −0.250

Precision Tolerances of WERKSTOFF NR. 2.4819 Round Bars (BS 970-3)

Section Type Diameter Range (mm) Class A Tolerance (mm) Class B Tolerance (mm) Class C Tolerance (mm)
Round Bar ≥ 6 to < 75 ±0.050 ±0.025 ±0.013

ISO "H" Series Tolerances for Alloy C276 (UNS N10276) Bright Round Bars

Nominal Diameter Range (mm) h5 h6 h7 h8 h9 H10 H11 h12
Up to 3 +0.004 / 0 +0.006 / 0 +0.010 / 0 +0.014 / 0 +0.025 / 0 +0.040 / 0 +0.060 / 0 +0.100 / 0
Over 3 to 6 +0.005 / 0 +0.008 / 0 +0.012 / 0 +0.018 / 0 +0.030 / 0 +0.048 / 0 +0.075 / 0 +0.120 / 0
Over 6 to 10 +0.006 / 0 +0.009 / 0 +0.015 / 0 +0.022 / 0 +0.036 / 0 +0.058 / 0 +0.090 / 0 +0.150 / 0
Over 10 to 18 +0.008 / 0 +0.011 / 0 +0.018 / 0 +0.027 / 0 +0.043 / 0 +0.070 / 0 +0.110 / 0 +0.180 / 0
Over 18 to 30 +0.009 / 0 +0.013 / 0 +0.021 / 0 +0.033 / 0 +0.052 / 0 +0.084 / 0 +0.130 / 0 +0.210 / 0
Over 30 to 50 +0.011 / 0 +0.016 / 0 +0.025 / 0 +0.039 / 0 +0.062 / 0 +0.100 / 0 +0.160 / 0 +0.250 / 0
Over 50 to 80 +0.013 / 0 +0.019 / 0 +0.030 / 0 +0.046 / 0 +0.074 / 0 +0.120 / 0 +0.190 / 0 +0.300 / 0
Over 80 to 120 +0.015 / 0 +0.022 / 0 +0.035 / 0 +0.054 / 0 +0.087 / 0 +0.140 / 0 +0.220 / 0 +0.350 / 0
Over 120 to 180 +0.018 / 0 +0.025 / 0 +0.040 / 0 +0.063 / 0 +0.100 / 0 +0.160 / 0 +0.250 / 0 +0.400 / 0
Over 180 to 250 +0.020 / 0 +0.029 / 0 +0.046 / 0 +0.072 / 0 +0.115 / 0 +0.185 / 0 +0.290 / 0 +0.460 / 0

Dimensions Chart of C22 Flat Bar

Metric Bar Size Diameter (mm) US Bar Size Diameter (Inch) ASTM / Canadian Bar Cross-Section (mm²) Japanese Bar Size Diameter (mm)
5 5 #2 0.250 10M 100 5.5 5.5
6 6 #3 0.375 15M 200 10 10
6 6 #4 0.500 20M 300 13 13
7 7 #5 0.625 25M 500 16 16
8 8 #6 0.750 30M 700 19 19
9 9 #7 0.875 35M 1000 22 22
10 10 #8 1.000 45M 1500 25 25
11 11 #9 1.125 55M 2500 29 29
12 12 #10 1.250 32 32
14 14 #11 1.375 35 35
16 16 #12 1.500 38 38
18 18 #13 1.625 41 41
20 20 #14 1.750 44 44
22 22 #15 1.875 48 48
25 25 #16 2.000 51 51
28 28 #18 2.250 57 57
32 32
36 36
40 40
44 44
50 50

Hot Rolled DIN 2.4819 Round Bar – Size & Weight Chart

Bar Size Unit Weight (Kg/Foot) Weight (Kg/Meter)
3 mm 0.017 0.055
4 mm 0.030 0.098
5 mm 0.047 0.154
6 mm 0.068 0.223
7 mm 0.091 0.298
8 mm 0.120 0.398
9 mm 0.152 0.498
10 mm 0.189 0.620
12 mm 0.271 0.889
14 mm 0.368 1.207
16 mm 0.481 1.578
18 mm 0.610 2.001
20 mm 0.753 2.470
22 mm 0.908 2.979
24 mm 1.080 3.543
25 mm 1.180 3.871
30 mm 1.691 5.548
32 mm 1.894 6.314
35 mm 2.390 7.553
40 mm 3.009 9.872
45 mm 3.807 12.555
50 mm 4.698 15.414
60 mm 6.768 22.205
1/8" Inch 0.019 0.062
1/4" Inch 0.076 0.249
3/8" Inch 0.170 0.557
1/2" Inch 0.303 0.994
5/8" Inch 0.473 1.551
3/4" Inch 0.682 2.237
1" Inch 1.210 3.970
1-1/4" Inch 1.924 6.349
1-1/2" Inch 2.715 8.951
2" Inch 4.848 15.906
2-1/2" Inch 7.576 24.856
3" Inch 10.900 35.762
4" Inch 19.306 63.340
5" Inch 30.461 99.940
6" Inch 43.860 143.900
8" Inch 77.586 254.550
10" Inch 121.048 397.140

Hastelloy Round Bar Price List

Product / Bar Type Unit / Measurement Price Range (USD)
Hastelloy C276 Rod per Kilogram $29.00 – $30.00
Hastelloy C22 Flat Bars per Ton $1,000.00 – $2,000.00
Hastelloy C276 Hex Bars per Ton $400.00 – $550.00
ASTM B574 C276 Bright Bars per Kilogram $20.00 – $70.00
Hastelloy GOST ХН65МВУ Triangular Bar per Kg / Ton Contact for Quote

Applications of Hastelloy Round Bars

Hastelloy bars are widely used in industries where corrosion resistance and high-temperature strength are critical. Key applications include:

  • Chemical Processing Industry – Pipes, valves, and reactor components exposed to harsh acids and oxidizing agents.
  • Marine Applications – Components in seawater equipment due to excellent resistance to chloride-induced corrosion.
  • Oil & Gas Industry – Sour gas handling, offshore platforms, and hydrogen sulfide (H₂S) environments.
  • Power Generation – Heat exchangers, turbine components, and boiler parts exposed to high temperatures.
  • Pharmaceutical & Food Processing – Corrosion-resistant machinery, mixing, and storage equipment.
  • Aerospace & Defense – High-performance structural components requiring both strength and corrosion resistance.
  • Fabrication & Welding Applications – Bars, rods, and billets for machining, welding, and custom engineering components.

People Ask About Hastelloy Round Bar Supplier

What is Hastelloy used for?

Hastelloy is a nickel-based superalloy widely used in industries requiring exceptional corrosion resistance and high-temperature strength. It is commonly used in chemical processing, oil and gas, marine environments, power generation, pharmaceutical, and aerospace applications. Hastelloy bars, rods, and billets are suitable for piping, reactors, valves, heat exchangers, and machinery exposed to acids, chlorides, or high-temperature oxidative environments.

Is Hastelloy better than stainless steel?

Hastelloy offers superior corrosion resistance compared to most stainless steels, especially in oxidizing and reducing acids, chloride-rich, and high-temperature environments. While stainless steel is cost-effective and widely used, Hastelloy is preferred for harsh chemical or extreme conditions due to its resistance to pitting, crevice corrosion, and stress corrosion cracking. For critical industrial applications, Hastelloy is considered better than conventional stainless steel.

What is the price of a Hastelloy C276 round bar?

The price of Hastelloy C276 round bars varies based on size, finish, and quantity. On average, the cost ranges from $29 to $30 per kilogram. For larger quantities or flat/hex bars, pricing is usually calculated per ton, with variations depending on suppliers and delivery requirements.

What is the specification of Hastelloy C276 round bar?

Hastelloy C276 round bars conform to ASTM B574 / ASTM SB574 standards and are available in sizes ranging from 3 mm to 500 mm in diameter, with lengths from 100 mm to 6000 mm. They are supplied in round, square, hexagonal, and flat forms with finishes such as bright polished, black, rough turned, BA, and NO.4 finishes. The bars have tight tolerances as per BS 970-3 and ISO H series, making them suitable for machining, welding, and industrial fabrication.