Suggested materials for use in various temperatures and atmospheres typically encountered in the energy industry
ASTM Design- tion |
Grade | Service Temp- erature Range |
Strength and Ductility | Suitable Nuts (ASTM/ Grade) |
|||||
Tensile Min. psi |
Yield | Reduction of Area R/A |
Elong- tion EL |
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 – 550ºC |
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 | (321) | A194 B8T6 |
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) | 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, x750 | 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 (Hastalloy) | — | — | ||
Incoloy | 925 | High Temp. to – 1000ºC |
176,000 | 120,000 | 40 | 24 | Nickel Iron Chrome | — | — |