Table 8.2.2.1.1: (a). Strength of Fusion Welded Joints of Steel Alloys · MIL-HDBK-5J

Material	Heat Treatment Subsequent to Welding	Welding Rod or Electrode	F_su ksi	F_tu ksi
Carbon and alloy steels	None	AMS 6457	32	51
Carbon and alloy steels	None	AWSA5.1 classes E6010 and E6013	32	51
Alloy steels	None	AMS 6452	43	72
Alloy steels	Stress relieved	AWSA5.5 class E10013 MIL-E-22200/10, classes MIL- 10018-M1	50	85

Table 8.2.2.1.1(b). Allowable Ultimate Tensile Stresses Near Fusion Welds in 4130, 4140, or 8630 Steelsᵃ

Section Thickness 1/4 inch or less
Type of Joint	Ultimate Tensile Stress, ksi
Tapered joints of 30° or less^b	90
All others	80

Table 8.2.2.1.1(c). Allowable Bending Modulus of Rupture Near Fusion Weld in 4130, 4140, 4340, or 8630 Steelsᵃ

Type of Joint	Bending Modulus of Rupture, ksi
Tapered joints of 30° or less^b	F_b from Figure 2.8.1.1 for F_tu = 90 ksi
All others	0.9 of the values of F_b, from Figure 2.8.1.1 for F_tu = 90 ksi