What does E71T-1C mean?

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Lawrence

Date

04-13- 12:11

Edited

04-13- 14:58

04-13- 12:-13- 14:58

Welcome to the forum Mark

I'm going to double check my text when I get to work this morning, but I'm pretty sure the addition of "C"  to the suffix is an indicator that 100% Carbon Dioxide is the prescribed shield gas for your E71T-1 FCAW electrode.

Edit:

Just double checked AWS A5.20 Specification for Carbon Steel FCAW electrodes

The "C" suffix designates  Carbon Dioxide
The "M" suffix designates  Mixed Gas (75-80% Argon C02 balence)
No designation means the electrode is classified as self-shielded and no external gas is used.

Some FCAW electrodes,,, for example,  ESAB 710X,   Hobart Fabco Hornet, and Linlcon Outershield 71M are classified under multiple designations and their operating data note both the "C" and "M" designations.

Lincoln Outershield 712C is an example of an E71T-1C that is singularly designed to run on Carbon Dioxide 100%

Last note would be to have a consern if specific impact values are required for your project as they may change with the gas mixtures vs CO2 100%...  These values are often noted on the electrode manufactures specifications

E71T-1C/1M-PLUS  is an all-position, flux cored welding wire intended for single and multiple pass welding of low-alloy and carbon steel where a minimum 70 kpsi tensile strength and good notch toughness is required.  It is an excellent general purpose welding wire.  This wire has very low fume, stable arc, good slag removal and excellent mechanical properties.

 

Typical Applications:    butt and fillet welding of hills and storage tanks; structural steel; farm machinery; construction equipment; general carbon steel fabrication

AWS Class: E71T-1C/1M Certification:                                         AWS A5.20/A5.20M:

AWS A5.20 : E71T-1M-DH8

AWS A5.36 : E71T1-M21-CS1-DH8

For more e71t-1c weldinginformation, please contact us. We will provide professional answers.

Alloy:  E71T-1C/1M AWS/ASME SFA A5.20

 

Approvals ·         ABS 3YSAH10, ABS 3YSA ·         CCS ·         NKK ·         TUV, EN : ·         TUV, EN ·         TUV, EN ·         LR DXVuO BF EYS H15 NA ·         DNV-GL III YMS(H10) ·         BV SY3 H10 ·         KR 3SYG(C)H10

 

Welding Position:              H, F, V-up, O Current:

DCEP

 

Tensile Strength, kpsi: 70-95 Yield Strength, kpsi: 58 min Elongation %: 22 min

Typical Wire Chemistry as per AWS A5.20 (single values are maximum)

C Mn Si S P Cr Ni Mo V Cu 0.12 1.75 0.90 0.03 0.03 0.20 0.50 0.30 0.08 0.35

 

 

Typical welding Parameters Diameter Process Flat Vertical-Up Overhead in (mm) Volt Amps Volt Amps Volt Amps 0.035 1.9 FCAW 20-30 130-250 16-23 90-180 20-28 130-240 0.45 1.14 FCAW 23-30 150-280 22-26 150-250 24-29 150-25   1/16 1.6 FCAW 25-34 180-400 21-27 180-300 24-30 180-310

 

 

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