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						Description and Applications | 
					
					
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						HT70S-6 is used for welding mild steels, 500N/mm2 
						high tensile strength steels and suitable for welding 
						root pass of steel structures, such as pipes, pressure 
						vessel, machinery and vehicles.  | 
					
					
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						Typical 
						Chemical Composition of Weld Metal(wt%) | 
					
					
						
						
							
								| 
								C | 
								
								Si | 
								
								Mn | 
								
								P | 
								
								S | 
							 
							
								| 
								0.0693 | 
								
								0.754 | 
								
								
								
								1.46 | 
								
								
								
								0.0126 | 
								
								
								0.0120 | 
							 
						 
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						Typical Mechanical Properties of Weld Metal | 
					
					
						
						
							
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								Shield Gas | 
								
								
								
								Yield Strength 
								N/mm2 | 
								
								
								Tensile Strength 
								N/mm2 | 
								
								Elongation 
								
								
								% | 
								
								
								 | 
							 
							
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								100% Ar | 
								
								493 | 
								
								567 | 
								
								
								27 | 
								
								147 | 
							 
							 
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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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