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						Description and Applications | 
					
					
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						Welding of 
						SUS630, 631 precipitation hardening stainless steel. It 
						provides martensitic structure and high tensile 
						strength.   | 
					
					
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						Typical 
						Chemical Composition of Weld Metal(wt%) | 
					
					
						
						
							
								| 
								C | 
								
								Si | 
								
								Mn | 
								
								Ni | 
								
								Cr | 
								
								Mo | 
								
								Cu | 
								
								Nb | 
							 
							
								| 
								0.03 | 
								
								0.45 | 
								
								
								0.61 | 
								
								
								
								4.59 | 
								
								
								16.2 | 
								
								
								0.20 | 
								
								3.50 | 
								
								
								0.19 | 
							 
						 
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						Typical Mechanical Properties of Weld Metal | 
					
					
						
						
							
								| 
								
								Shield Gas | 
								
								
								Tensile Strength 
								N/mm2 | 
								
								Elongation 
								
								
								% | 
							 
							
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								100% Ar | 
								
								1100 | 
								
								
								20 | 
							 
							 
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						Size of Wire | 
					
					
						
						
							
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								 1.6 | 
								
								2.0 | 
								
								2.6 | 
								
								3.2 | 
							 
							
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								Length (mm) | 
								
								1,000 | 
								
								1,000 | 
								
								1,000 | 
								
								1,000 | 
							 
							 
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