Design Stress Values (KSI) VS Temperature

 
SPEC GRADE TEMPERATURE deg F (deg C)
ASTM A193 B8-CL1(**) 11.2 11 10.8 10.5 10.3 10.1 9.9      
ASTM A193 B8-CL2(**) 25                  
ASTM A193 B16 25 25 25 25 23.5 20.5 16 11 6.3 2.8

PLEASE NOTE THAT THE ABOVE VALUES ARE FOR REFERENCE PURPOSES ONLY. VALUES SHOULD BE EXTRACTED FROM ASME OR BS 5500.
(**) FOR BOLT DIAMETERS < 3/4"

 

Recommended Working Temperatures of Bolt Materials

 
MATERIAL TEMPERATURE °C ( °F )
  MIN. MAX.
CARBON STEEL -29 (-20) 300 (572)
B7, L7 -73 (-100) 400 (752)
B6 0 (32) 500 (932)
B8 -200 (-325) 575 (1067)
B16 0 (32) 520 (968)
B17B -29 (-20) 650 (1202)
INC 718 0 (32) 750 (1382)
660 -29 (20) 538 (1000)

 

Chart

 

ALL DAN-LOC STUD BOLTS ARE QUENCHED AND TEMPERED

ASTM A – 194 “Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High-Pressure and High-Temperature Service”

 
Identification AISI Type Outstanding Chemical
Ferritic
B8, B8A 304 Unstabilized 18 Chromium-8 Nickel
B8-C, B8CA 347 Stabilized 18 Chromium-8 Nickel
B-8M, BBMA 316 18 Chromium-10-Nickel-2 Molybdenum
B-8T, B8TA 321 Stabilized 18 Chromium-8 Nickel
B-8F, B8FA 303 Free Machining 18 Chromium-8 Nickel

 

ASTM A – 320 “Standard Specification for Alloy-Steel and Stainless-Steel Bolting Materials for Low-Temperature Service”

 
Identification AISI Type Outstanding Chemical
Ferritic
2-HM   Carbon
2-H   Carbon
4   Carbon-Moylbdenum
3 501 5% Chromium
6 410 12% Chromium
6-F 416 12% Chromium
7 4140-4142-4145 Chromium-Moylbdenum
Austenitic
8 304 18 Chromium-8 Nickel
8-C 347 18 Chromium-8 Nickel
8-M 316 18 Chromium-10-Nickel-2 Molybdenum
8-T 321 18 Chromium-8 Nickel
8-F 303 18 Chromium-8 Nickel
8-P 305 18 Chromium-10 Nickel

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