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What is Grade 80 steel used for?

What is Grade 80 steel used for?

Steel grade 80 is used in the production of round and plate springs and parts operating under conditions of increased friction and under the influence of vibration loads; knives of earthmoving machines (bulldozers, scrapers, graders and motor graders), as well as other machine parts used in the hardened and tempered …

What is KSI welding?

Grade. Minimum Tensile Strength, ksi (MPa)

Can you weld different grades of steel together?

CAN DIFFERENT GRADES OF STAINLESS STEEL BE WELDED TO ONE ANOTHER? For purposes of welding, most grades of stainless steel within the same family (i.e. 300 series to 300 series) are compatible. When welding stainless steel a filler rod or electrode made of stainless steel must be used.

What is the yield strength of grade 80 steel?

Material Properties

Grade Yield Point (ksi) Tensile Strength (ksi)
60 60 70
70 70 80
80 80 90
100 100 110

What is the yield strength of grade 50 steel?

50,000 PSI
ANSWER: ASTM 572 Grade 50 steel has an ultimate tensile strength of 450 MPa (metric) and 65,300 PSI (Imperial). It has a tensile yield strength of 345 MPa and 50,000 PSI.

What metals Cannot be welded together?

What Are Metals That Cannot Be Welded?

  • Titanium and steel.
  • Aluminum and copper.
  • Aluminum and stainless steel.
  • Aluminum and carbon steel.

What kind of steel is used in welding?

As an example, when welding a HSLA steel (85 ksi yield strength) to A36 steel (36 ksi yield strength minimum), welders would choose a 70 grade flux-cored or metal-cored wire with 70 ksi tensile strength. Note: Base material is measured in yield strength, but filler metals are measured in UTS or ultimate tensile strength.

What are the requirements for a grade 65 welding?

– The mechanical properties of the weld metal shall comply with the requirements of a Grade 65 and Table 2.3 (also refer to 2.5.4). – The diffusible hydrogen content in the deposited weld metal must be low (H  8ml/100g) in order to use the ‘no-preheat’ or reduced preheat levels.

What should I know about welding high strength steel?

Welding high strength steel requires more careful heat control and tougher filler metals than the mild steels that are more commonly used today. UNDERSTANDING THE BASE . . . As with any material, tomorrow’s welders will have to understand the chemical and mechanical composition of high strength steel as a first step toward welding success.

Can a welder use high strength filler metal?

If a welder is welding high strength steels to each other, then typically the filler metal will match the yield strength of the two. For example, welding high strength steel with 100 ksi yield strength to itself would require a filler metal that offers a minimum of 90 ksi tensile strength (and a maximum of 120 to 130 ksi).