ER630 welding wire BOLHER origin
USD $100 - $100 /Kilogram
Min.Order:5 Kilograms
Zhengzhou Huitong Pipe Fittings Co., Ltd.
MIDALLOY ER630 BARE WIRE
CLASSIFICATION
• AWS 5.9 Class ER630 / ASME SFA 5.9 Class ER630
DESCRIPTION
• MIDALLOY ER630 bare welding wire is a precipitation hardening, martensitic stainless steel.
APPLICATIONS
• Typical applications include valves, fasteners, gears, propeller stafts, and roller chain pins.
TYPICAL CHEMISTRY
C | Mn | Si | Cr | Ni | Mo | Cu | Cb+Ta | S | P | Fe |
0.03 | 0.54 | 0.45 | 16.49 | 4.78 | 0.2 | 3.6 | 0.22 | 0.021 | 0.017 | BAL. |
TYPICAL MECHANICAL PROPERTIES*
TENSILE STRENGTH | 150,000 PSI |
YIELD STRENGTH | 135,000 PSI |
ELONGATION IN 2” | 10% |
*Note: Mechanical properties listed reflect a post weld heat treatment between 1875°F and 1925°F for one hour, followed by precipitation hardening between 1135°F and 1165°F for four hours.
WELDING PARAMETERS
PROCESS | DIAMETER | VOLTAGE | AMPERAGE | GAS |
TIG | 1/16” | 14-18 | 90-130 | Ar |
3/32” | 15-20 | 120-175 | Ar | |
1/8” | 15-20 | 150-220 | Ar | |
MIG | .035” | 26-29 | 150-180 | Ar |
.045” | 28-32 | 180-220 | Ar | |
1/16” | 29-33 | 200-250 | Ar |
OTHER INFORMATION
• Welding of 17/4 plate under 4” thick can be done without preheating, but interpass temperatures up to 300°F are commonly specified.
• With thickness of 17/4 plate exceeding 4”, preheating to 200°F and maintenance of an interpass temperature of 200°F - 500°F is considered necessary in many applications.
• In welding maintain a short arc and keep the heat input low.
• Use stringer beads, avoid wide weaving, avoid stress raisers such as sharp corners, threads, and partial penetration welds.
STANDARD PACKAGING
• TIG 10 lb. tube / 60 lb. carton
• MIG 30 lb. spool