Lincoln Electric C2.410 manual Minimum Preheat and Interpass Temperature1

Page 35

Minimum Preheat and Interpass Temperature(1)

For stick electrode welding only

Based on AWS Specification D1.1

 

 

Low Hydrogen Electrodes

T

 

 

 

 

 

 

 

 

 

 

Inches

Col 1.

Col. 2

Col. 3

Col. 4

 

 

 

 

 

 

Thru 3/4”

32ºF(2)

32ºF(2)

50ºF

32ºF(2)

3/4 thru 1-1/2

150ºF

50ºF

150ºF

32ºF(2)

1-1/2 thru 2-1/2

225ºF

150ºF

225ºF

32ºF(2)

Over 2-1/2”

300ºF

225ºF

300ºF

32ºF(2)

 

 

 

 

 

 

Definitions

T – Thickness of the thickest part at point of welding.

Col. 1 – For the following steels when welded with other than low hydrogen electrodes ASTM A36; A53 Grade B; A106 Grade B; A131 Grades A, B, CS, D, DS, E; A139 Grade B; A381 Grade Y35; A500 Grades A, B; A501; A516; A524 Grades I & II; A570 All grades; A573 Grade 65; A709 Grade 36 (≤ 3/4 in. [20mm]); AP15L Grades B, X42; ABS Grades A, B, C, D, CS, DS, E.

Col. 2 – For the following steels: All steels listed in Column 1, and additionally: ASTM A36 (>3/4 in. [20mm]); A53 Grade B; A106 Grade B; A131 Grades A, B, CS, D, DS, E, AH32 & 36, DH 32 & 36, EH 32 & 36; A139 Grade B; A381 Grade Y35; A441; A500 Grade A, Grade B; A501; A516 Grades 55 & 60, Grades 65 & 70, A524 Grades 1 & 2; A529 Grades 50 & 55; A537 Classes I & II; A570 All Grades; A572 Grades 42, 50, 55; A573 Grade 60; A588, A595 Grades A, B, C; A606; A607 Grades 45, 50, 55; A618 Grades Ib, II, III; A633 Grades A, B, Grades C, D; A709 Grades 36 (≤ 3/4 in. [20mm]), 50, 50W; A710 Grade A, Class 2 (≤ 2 in. [50mm]); A808; A913 Grade 50; A992; API 5L Grade B, Grade X42; API Spec. 2H Grades 42, 50; API 2W Grades 42, 50, 50T; API 2Y Grades 42, 50, 50T; ABS Grades AH 32 & 36, DH 32 & 36, EH 32 & 36; ABS Grades A, B, D, CS, DS, Grade E

Col. 3 – For steels ASTM A572 Grades 60 and 65, A633 Grade E; API 5L Grade X52; ASTM A913 Grades 60, 65; A710 Grade A, Class 2 (≤ 2 in. [50mm]); A710 Class 3 (≤ 2 in. [50mm]); A709 Grade 70W; A852, API 2W Grade 60; API 2Y Grade 60

Col. 4 – All thicknesses ≥ 1/8 in. [3mm]. ASTM A710 Grade A (all classes); ASTM A913 Grades 50, 60, 65. SMAW electrodes capable of depositing weld metal with a maximum diffusible hydrogen content of 8 ml/100g (H8), when tested according to AWS A4.3.

-35-

Page 34 Page 36
Image 35
Page 34 Page 36
Contents Stick Electrode Welding Guide Page Table of Contents Out-Of-Position Welding Vertical and Overhead Welding ProceduresVertical Up Techniques for Fillet and Groove Welds Vertical Down Welds Vertical Up Groove WeldsWeld Vertical Up Fillet Welds160 Polarity Jetweld LH-3800 E7028H8 High-Deposition WeldingWrong End view Side view Corner Welds Jetweld 2 E6027 Amps. AC at 14/Min Groove WeldsGroove Welds First Pass Over E6011 Root Passes Deep Groove Welds Joint a Pass E6011T082 117 162 Weld Flat Fillet WeldsPlate Size T 14 ga 12 ga 10 ga No. of Passes Leg Size L Ft. of Weld/Hr Lbs. of Elec./Ft. 049Horizontal Fillet Welds Welding Inclined Plate 180 Downhill Angle degPolarity Arc Speed In./Min.3 Lbs. of Elec./Ft. Alternate High Speed Welding Sheet MetalPage Edge Welds Lap Welds Fillet Welds018 028 Diameter PositionCurrent Amps 110 155 Polarity Current Amps 120 170 PolarityRoof Deck Thickness 22 ga 20 ga 18 ga 16 ga Burnthrough Spot Welds Roof Decking to Beam Roof Beam FlangeE7018-1 Low Hydrogen WeldingMultipass Page Diameter Current Amps 155 Polarity Overhead Groove WeldsNo. of Passes Leg Size L Overhead Fillet Welds Also see Out-of Position Procedures,No. of Pass Leg Size L Arc Speed In./Min Ft. of Weld/Hr Lbs. of Elec./Ft.Arc Speed In./Min Ft. of Weld/Hr Lbs. of Elec./Ft. of Weld Horizontal Groove WeldsBack gouge first bead as needed Plate Size T No. of Passes Diameter Current Amps 230 200 Polarity230 200 Polarity Use steel backing as onWith E7028 Electrode 132 195 272 409 727 With E7018 Electrode275 350 157 236 320 260 335785 Ft. of Weld/Hr.2 Lbs. of Elec./Ft.203 335 Minimum Preheat and Interpass Temperature1 Out-of-Position Group Stick Electrode Typical Operating ProceduresHigh Speed Group High Deposition GroupLow Hydrogen, Low Alloy Steel Group Low Hydrogen GroupShield-Arc HYP+ Fleetweld JetweldFleetweld 5P Shield-Arc Fleetweld 5P+ Fleetweld Fleetweld 35LS Jetweld Shield-Arc 70+Electric Shock can kill Fumes and Gases can be dangerous For Electrically powered Electric and Magnetic Fields Stick C2.410 12/04
Top Page Image Contents