T.O. 1-1A-9 TABLE 2-15.  WELDING CHARACTERISTICS - GENERAL, STEELS OTHER THAN STAINLESS (CONT'D) (High Carbon) E10015 ---- ---- Normalize High Chromium 52100 (Low Alloy) E10015 MlL-R-5632 600F Normalize This alloy is Ladish D-6-A Class 2 weldable.  in heavy sections employed tech- niques for weld- ing high hard- enability med- ium low alloy. (Low Alloy) E10015 ---- 600F Normalize Weld by con- Hi-Tuf ventional meth- ods using low hydrogen elec- trodes of simi- lar composition. 4330 VMOD DO NOT 4337 MIL-E-986 MIL-R-5632 600F Normalize Fusion or re- 4340 Type 260 Class 2 sistance weld- E10016 ing not per- E12015 mitted of parts heat treated to 260, 000-280,000 PSI tensile due to embrittlement of the joint area. Spot/seam weld- ing not recom- mended due to air hardening. Nitralloy See Remarks See Remarks Normalize Welding is most 136 Mod E8018-C2 before mach- successful by ining. use of 2.5% chromium rod with the atomic hydrogen pro- cess.  If nitrid- ing is not re- quired, conven- tional methods may be used, using MIL-R- 5632 Class 2 or MIL-E- 6843 Class C or D. (Ni-Mo) E9018G MIL-R-5632 400F 600F 4615 Class 2 (Ni-Mo) E9018G MIL-R-5632 600F 800F 4620 Class 2 (Ni-Mo) E9018G MIL-R-5631 600F 800°F 4640 Class 2 2-85