Dec 18, 2025 Leave a message

Detailed explanation of ASTM B166 Alloy 600 pipe fitting

 
Detailed explanation of ASTM B166 Alloy 600 pipe fitting
 
Detailed explanation of ASTM B166 Alloy 600 fasteners

Detailed explanation of ASTM B166 Alloy 600 fasteners

ASTM B166 Alloy 600 (UNS N06600, Inconel 600) fasteners are high-performance nickel-chromium alloy fasteners designed for extreme temperatures (from cryogenic to 2000°F) and corrosive environments, offering exceptional strength, oxidation resistance, and resistance to chloride stress corrosion cracking. Due to their robust mechanical properties and superior corrosion resistance, they are ideal for chemical processing, furnace components, and aerospace applications.

Can Inconel 600 alloy be welded?

Inconel 600 alloy can be welded using various methods, such as tungsten inert gas welding (GTAW) or TIG welding. Other methods include gas metal arc welding (GMAW), MIG welding, and plasma arc welding (PAW).

Inconel 600 Alloy
 

Specification Format Of inconel 600 fasteners

ASTM / ANSI ASTM B166 / ASME SB166
Material Inconel 600 Alloy Fasteners
Standard:

JIS, ASTM,BS, GB, DIN, IS, ISO
ANSI – American National Standards Institute

ASME B18.5

ANSI B 28.2.4 1M

Stud Bolt length are defined in ASME B16.5 standard

ANSI B 18.2.4 2M

Hex nuts are defined in ASME B18.2.2

DIN: DIN 931, DIN 970, 934 DIN DIN 933

UTS – Unified Thread Standard : NPTF, UNS, NPT, UNF, UNC, UNEF

ISO – International Organization for Standardization : ISO 4033 ,ISO 4032, JIS standards

Finishing : Zinc (yellow, white, blue, black), black oxide,
Dacroment, Geometry, nickel plated, anodizing, plated zinc-nickel, Stainless steel: Passivated
Bright Zinc Plated (BZP), Self-Colour, Hot Dip Galvanised (HDG), Stainless Steel, Sherardized,Mechanically Applied coating and some special one like DACROMET
Length 3 mm to 200 mm
Size M02 to M160
Threads: BSW, UNC, BSF, UNF METRIC, or as required
  M3, M14, M2.5, M2, M12, M5, M6, M4, M20, M16, M30, M24, M36, M8, M10 etc.
Nut Types Inconel 600 Hex Head Nut, Lock Nut Coupling Nut, Square Nut, Wing Nut, Panel Nut, Acorn Nuts, T Nut, Dome Nut, Eye Nutetc.
Bolts Types Inconel 600 Square Bolt, Hex Bolt, Counter sunk Bolt, T Bolt, Hex Head Bolt, Eye Bolt,U Bolt, Lag Bolt etc.
Screw Types Inconel 600 Threaded Screw, Socket Head Screw, Blind Rivet, Socket Set Screw, Shoulder Screw,Concrete Screw, Anchor Screw, Machine Screw, Panel Screw, Hex Head Screw etc.
Studs Types Inconel 600Tie Rods, Threaded Tod, Tie Bars, Double Ended Studs etc.
Washer Types Inconel 600 Lock Washer, Machine Washers, Star Washers, Sealing Washer, Split Washer etc.

 

Chemical Analysis Of Inconel 600 Fasteners

Element

Content (%)

Nickel, Ni

72.0 min

Silicon, Si

.50 max

Carbon, C

.15 max

Sulphur, S

.015 max

Copper, Cu

.50 max

Iron, Fe

6.0-10.0

Manganese, Mn

1.00 max

 

Yield Strength Of Inconel 600 Bolts

Density

8.47 g/cm3

Melting Point

1413 °C (2580 °F)

Tensile Strength

Psi – 95,000 , MPa – 655

Yield Strength (0.2%Offset)

Psi – 45,000 , MPa – 310

Elongation

40 %

 

Inconel 600 Screws Equivalent Grade

Alloy

Common Name

Related Specification

   

British

European

ASTM

UNS

Alloy 600

Inconel 600®

BS 3076 NA 14

2.4816

B166

N06600

 

Head styles of Inconel 600 bolts

Head Style of Inconel 600 Bolts

 

Alloy 600 Nut Weight Chart

Size Finished Hex Heavy Hex Finished Jam Heavy Hex Jam Square Heavy Square
1/2″ Nut 3.75 6.54 2.62 4.00 5.78 7.87
5/8″ Nut 7.33 11.9 4.93 6.96 10.8 14.3
3/4″ Nut 11.9 19.3 7.70 11.0 15.4 23.5
7/8″ Nut 19.0 29.7 12.0 16.7 24.5 36.2
1″ Nut 28.3 42.5 17.6 23.5 36.3 51.5
11/8″ Nut 40.3 59.2 24.7 32.4 52.5 72.4
11/4″ Nut 54.3 78.6 36.1 45.8 70.6 95.5
13/8″ Nut 73.0 102 47.9 59.3 94.5 125.0
11/2″ Nut 94.3 131 60.9 74.8 122 161
15/8″ Nut   162   91.6    
13/4″ Nut 151 204 100 114    
17/8″ Nut   241   134    
2″ Nut 224 299 140 165    
21/4″ Nut   419   227    
21/2″ Nut   564   332    
23/4″ Nut   738   429    
3″ Nut   950   545    
31/4″ Nut   1194   651    
31/2″ Nut   1526   851    
33/4″ Nut   1812   1005    
4″ Nut   2180   1200

 

Torque Chart of Inconel 600 Stud Bolt

Flange
Size

B16.5 Class 150 RF/ Ring Gaskets

B16.5 Class 150 FF/ Full Face Gaskets

Torque / Round (ft-lbs)

Stud Bolts Tighten Sequence

Torque / Round (ft-lbs)

Stud Bolts Tighten Sequence

1st

2nd

Final

Dwg/No.

Bolt Size

1st

2nd

Final

Dwg*/No.

Bolt Size

1/2″

10

20

30

4-bolt

1/2″

20

40

60

4-bolt

1/2″

3/4″

13

27

40

4-bolt

1/2″

20

40

60

4-bolt

1/2″

1″

15

30

50

4-bolt

1/2″

20

40

60

4-bolt

1/2″

1-1/4″

20

40

60

4-bolt

1/2″

20

40

60

4-bolt

1/2″

1-1/2″

20

40

60

4-bolt

1/2″

20

40

60

4-bolt

1/2″

2″

40

80

120

4-bolt

5/8″

40

80

120

4-bolt

5/8″

2-1/2″

40

80

120

4-bolt

5/8″

40

80

120

4-bolt

5/8″

3″

40

80

120

4-bolt

5/8″

40

80

120

4-bolt

5/8″

3-1/2″

40

80

120

8-bolt

5/8″

40

80

120

8-bolt

5/8″

4″

40

80

120

8-bolt

5/8″

40

80

120

8-bolt

5/8″

5″

60

120

200

8-bolt

3/4″

60

120

200

8-bolt

3/4″

6″

60

120

200

8-bolt

3/4″

60

120

200

8-bolt

3/4″

8″

60

120

200

8-bolt

3/4″

60

120

200

8-bolt

3/4″

10″

95

190

320

12-bolt

7/8″

95

190

320

12-bolt

7/8″

12″

95

190

320

12-bolt

7/8″

95

190

320

12-bolt

7/8″

14″

147

294

490

12-bolt

1″

147

294

490

12-bolt

1″

16″

147

294

490

16-bolt

1″

147

294

490

16-bolt

1″

18″

213

426

710

16-bolt

1-1/8″

213

426

710

16-bolt

1-1/8″

20″

213

426

710

20-bolt

1-1/8″

213

426

710

20-bolt

1-1/8″

24″

300

600

1,000

20-bolt

1-1/4″

300

600

1,000

20-bolt

1-1/4″

 

Available Stock Of Inconel 600 Fasteners

ASTM B166 Inconel 600 Industrial Fastener

Inconel WERKSTOFF NR. 2.4816 Screws

Inconel 600 Fasteners

Inconel 600 Socket Head Cap Screw

Inconel 600 Flat Washers

ASTM B166 Inconel 600 Bolts S

Inconel 600 Set Screw

Inconel 600 Machine Bolt

Inconel 600 Machine Screws

Inconel 600 Threaded rod

ASTM B166 Inconel 600 Fastener

Inconel UNS N06600 Hex Coupling Nuts

Inconel 600 Studs

Inconel 600 Heavy Hex Nuts /Hex Nuts

ASTM B166 Inconel 600 Fastener

Inconel 600 Bolts

Inconel Alloy 600 Coupling Nuts

Inconel Alloy 600 Structural Bolts

Inconel Alloy 600 U Bolts

Inconel WERKSTOFF NR. 2.4816 Panel Nut

Inconel Alloy 600 Studs

Inconel Alloy 600 Heavy Hex Nuts

Inconel UNS N06600 Set Screw

Inconel Alloy 600 Washer

Inconel Alloy 600 Fasteners

Inconel Alloy 600 Screws

Inconel Alloy 600 Spring Washers

Inconel Alloy 600 Hex Domed Cap Nuts

Inconel Alloy 600 Structural Bolts

Inconel Alloy 600 Marine Anchors

Inconel Alloy 600 Machine Bolt

Inconel Alloy 600 Machine Screws

 

Why Choose Gnee as Your Nickel-Based Alloy Supplier

✅ Over 18 years of export experience, products sold to more than 80 countries

✅ Certified by ISO, SGS, and BV

✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars

✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging

✅ Fast delivery within 7-15 days, supported by global logistics partners

📦 Packaging and Shipping

All stainless steel products are packaged using the following methods:

Wooden pallets or crates

Moisture-proof packaging

Labels with furnace number, standard, and size labels

Shipped worldwide by sea, air, or express

Contact now

Gnee Steel also supplies custom Inconel 600 products in various sizes and specifications. Please send us your drawings for a quote!

Send Inquiry

whatsapp

Phone

E-mail

Inquiry