2004年神钢焊接材料手册.pdf

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Overall Index
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Lists of Welding Consumables
For Mild Steel and 490MPA High Tensile Strength Steel
(OBEILO
For Weather Proof Steel
84
For 590-780mpa High Tensile Strength Steel
and Low Temperature Steel
WELIING HANDBOOK
For Heat-resistant Low-alloy Steel
148
WELDINGCONSUMABLES AND PROCESSES
For Stainless Steel
202
For Hardfacing
260
For Cast ron
282
For Nickel-based Alloy
288
Highly Eficient Welding Processes
308
Appendix
322
OKOBE STEEL, LTD
Welding Company
For your further information of welding consumable specifications, classifications, approvals and
packages, please contact the nearest Kobelco office or sales representative
Foreword
Abbreviations and marks with definitions
Note the following preliminary information on use of this welding handbook
This welding handbook uses the following abbreviations and marks if necessary
1. Standards for welding consumables are abbreviated as follows
brey
Definition
Abbrev
Definition
and mark
and mark
JIS: Japanese Industrial Standard
Alternating current or Air cooling NL
Number of la
/S: American Welding Society's Standard
Ampere
Not required
EN: European Norm
AP
All positions
Outer diameter
SME: American Society of Mechanical Engineers Standard
AW
- welded
Roo
Oil quenching
Balance
Os
Offset strength
2. Classifications for welding consumables are used in accordance with the following rules
OSW
One-side welding
Distance between electrodes
Polarity
Welding consumables are classified in accordance with basically the mechanical and/or
Direct current
Preheat
chemical requirements of the standards, excluding such requirements as size, length, marking and
DC-EN DC, electrode negative
Plate thickn
identification manners. For details please contact the nearest Kobelco office or sales
DC-EP DC, electrode positive
PWHT
Postweld heat treatment
epresentative
Dia
RA
Reduction of area
GW
lectrogas arc weldin
RC
Redrying conditions
3. The test conditions of mechanical properties and hardness are as follows
E
ongatlon
RG
Root gap
Extension of wire
RI
(1)Unless oth
specified, impact values are obtained with Charpy 2mm-v notch specimens
Flat position
SAW
(2)Unless otherwise specified, tension test and hard
Submerged arc welding
est are carried out at room temperature
FC
Furnace cooling
SG
Shielding gas
(3)Unless otherwise specified, tension test and hardness test are carried out in the as-welded
Flux-cored wire
SMAW Shielded metal arc weldin
condition
FCAW
Flux Cored Arc Welding
SR
Stress relief
(4)The gauge length of tensile specimens is 4 x D (where D is the diameter)for testing at room
Groove design
SW
Solid wire
GMAW
Gas Metal Arc Welding
(T)
Trailing electrode
(5 Unless otherwise specified postweld heat treatment is followed by furnace cooling
Groove size
TG
Tungsten inert gas
(6)Unless otherwise specified, the testing method is as per AWS standard
A
Gas Tungste