ASTM A194 Grade 9c Nuts | UNS N08367 Specifications

ASTM A194 Grade 9c Nuts

N08367

ASTM A194 Grade 9C Nuts are manufactured from 347 Stainless Steel in accordance with ASTM A194 specification. Torqbolt is a prominent A194 Gr.9C nut supplier in India.

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ASTM A194 Grade 9c Nuts Properties

ASTM A194 Grade 9c Nuts Chemical Requirements

Grade Description
and
UNS Designation
C Mn P SE Si Cr Ni Mo Ti CbH N Cu Se V Al
ASTM A194/A194M Grade 9C (AL-6XN) N08367 0.030 2.00 0.040 0.030 1.00 20.0-22.0 23.5- 25.5 6.0-7.0 . . . . . . 0.18-0.25 0.75 . . . . . . . . .

ASTM A194 Grade 9c Nuts Mechanical Requirements

ASTM A194/A194M Hardness RequirementsA

Grade and Type Completed Nuts Sample Nut after Treatment
Brinell Hardness Rockwell Hardness Brinell Hardness, min Rockwell Hardness B Scale, min
C Scale B Scale
ASTM A194/A194M Grade 9C 126 to 300 32 max 60 min ... ...

Proof Load Using Threaded Mandrel (Inch Series)

Nominal Size, in. Threads per Inch Stress Area in. 2 Proof Load, lbf A
All Types of Grades 9C
Heavy HexH HexI
1/4 20 0.0316 2 540 2 380
5/16 18 0.0524 4 190 3 930
3/8 16 0.0774 6 200 5 810
7/16 14 0.1063 8 500 7 970
1/2 13 0.1419 11 350 10 640
9/16 12 0.182 14 560 13 650
5/8 11 0.226 18 080 16 950
3/4 10 0.334 26 720 25 050
7/8 9 0.462 36 960 34 650
1 8 0.606 48 480 45 450
11/8 8 0.790 63 200 59 250
11/4 8 1.000 80 000 75 000
13/8 8 1.233 98 640 92 450
11/2 8 1.492 119 360 111 900

ASTM A194/A194M Proof Load Using Threaded Mandrel (Metric)

Nominal Size, mm Threads Pitch Stress Area mm 2 Proof Load, kNA
All Types of Grades 9C
Heavy HexH HexI
M6 1.0 20.1 11.1 10.4
M8 1.25 36.6 20.1 18.8
M10 1.50 58.0 31.9 29.9
M12 1.75 84.3 46.4 43.4
M14 2.0 115.0 63.3 59.2
M16 2.0 157.0 86.4 80.9
M20 2.5 245.0 134.8 126.2
M22 2.5 303.0 166.7 156.0
M24 3.0 353.0 194.2 181.8
M27 3.0 459.0 252.5 236.4
M30 3.5 561.0 308.6 288.9
M36 4.0 817.0 449.4 420.8

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