实芯焊丝
型号  | 国标 GB  | 熔敷金属化学成分(%)  | |||||
C  | Mn  | Si  | S  | P  | other  | ||
THQ-50A  | ER49-1  | 0.11  | 1.80/2.10  | 0.65/1.95  | 0.03  | 0.030  | 
					Cu0.05  | 
THQ-50C  | ER50-6  | 0.06/0.15  | 1.40/1.85  | 0.80/1.15  | 0.035  | 0.025  | 
					Cu0.50  | 
型号  | 
					国标  | 熔敷金属力学性能  | |||
Rel / Rp0.2 (MPa)  | Rm (MPa)  | A(%)  | A KV(J)  | ||
THQ-50A  | ER49-1  | 372  | 490  | 20  | 
					Normal temperature  | 
THQ-50C  | ER50-6  | 420  | 500  | 22  | 
					-30 ℃  | 
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