| ASTM Designtion | Grade | Service Temperature Range | Strength and Ductility | Suitable Nuts
( ASTM /
Grade ) | | Tensile Min. PSI | Yield | Reduction of Area R/A | Elongtion | Alloy TYpe | AISI | | ASTM A-193 | B7 | High Temp.
from 0 – 480ºC | 125,000 | 100,000 | 50 | 16 | Cr – Mo | 4140 | A194 Gr 2H | | ASTM A-193 | B16 | High Temp.
from 0 – 500ºC | 125,000 | 105,000 | 50 | 18 | Cr – Mo V | ( 4140M ) | A194 Gr 4 | | ASTM A-193 | B7M | High Temp.
from 0 – 450ºC | 100,000 | 80,000 | 50 | 18 | Cr-Mo | 4140 | A194 Gr 2HM | | ASTM A-320 | L7 | Low Temp.
-100ºC | 125,000 | 105,000 | 50 | 16 | Cr-Mo | 4140 | A194 Gr 4 or A194 Gr 7 | | ASTM A-193 | B5 | Up to 815ºC | 100,000 | 80,000 | 50 | 16 | 5% Cr | 501 | A194 Gr 3 | | ASTM A-193 | B6 | Up to 450ºC | 110,000 | 85,000 | 50 | 16 | 13% Cr | 410 | A194 Gr 6 | | ASTM A-193 | B8 | Low Temp.
-200 – 650ºC | 75,000 | 30,000 | 50 | 30 | 18% CR
– 8% Ni | 304 | A194 B8 | | ASTM A-193 | B8M | Low Temp.
-200 – 750ºC | 75,000 | 30,000 | 50 | 30 | 16%Cr
– 10% Ni | 316 | A194 B8M | | ASTM A-320 | B8 | Low Temp.
-200 – 650ºC | 75,000 | 30,000 | 50 | 30 | 18% Cr
– 8% Ni | 304 | A194 B8 | | ASTM A-320 | B8M | Low Temp.
-200 – 750ºC | 75,000 | 30,000 | 50 | 30 | 16% Cr
– 10% Ni | 316 | A194 B8M | | ASTM A-320 | B8T | Low Temp.
-200 – 650ºC | 75,000 | 30,000 | 50 | 30 | 13% Cr 3 | 321 | A194 B8 | | ASTM A-320 | B8C | Low Temp.
-200 – 650ºC | 75,000 | 30,000 | 50 | 30 | 18% Cr
– 8% Ni | 347 | A194 B8C | | ASTM A-193 | B8M Class 2 | Low Temp.
-200 – 650ºC | 125,000 | 100,000 | 35 | 12 | 16% Cr
– 10% Ni | 304 | A194 B8C | | ASTM A-453 | 660 | High Temp.
up to 750ºC | 130,000 | 85,000 | 18 | 15 | High Iron
Superalloy | 660
( A286 ) | A453 600 | ASTM A-564
( cond. 900 )
( cond. 1100 ) | 630 | Med Temp.
up to 316ºC | 190,000
140,000 | 170,000
115,000 | 40
45 | 10
14 | Precipitation
Hardening STST | 630
( 17-4 PH ) | A564 630 | | ASTM B-408 | 800 – 800H | High Temp.
540ºC – 815ºC | 80,000 | 35,000 | – | 25 | Incoloy | – | ASTM B408 | | ASTM B-164 | 405 | High Temp.to 815ºC | 85,000 | 50,000 | – | 15 | Monel | – | – | | ASTM B-164 | K500 | High Temp.
650ºC – 423ºC
Low Temp.
650 ºC – 253ºC | 100,000 | 70,000 | – | 35 | Monel | – | – | 600, 625,
718, x 750 | ASTM B446, B637 | High Temp.
from 850ºC – 1090ºC | 100,000 | 80,000 | – | 30 | Nickel Superalloy
( Inconel ) | – | – | | B, C, X | – | High Temp. to 850ºC | 170,000 | 115,000 | – | 30 | Nickel Superalloy
( Hastelloy ) | – | – | | Incoloy | 925 | High Temp. to
– 1000ºC | 176,000 | 120,000 | 40 | 24 | Nickel Iron
Chrome | – | – |
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