GMAW
MG-S90B91
Solid wire for 9%Cr-1%Mo-V-Nb steel
| Features: | Applied for ASTM A387 Gr.91 and equivalentsExcellent creep rapture strength |
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| Classification: | AWS A5.28 ER90S-B91 |
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| Shielding gas: | Ar-2~5%O2, Ar-5~20%CO2 |
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| Polarity: | DCEP |
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Welding Positions:
Packaging data
φ mm
| Spool
|
|---|
1.2
| 10kg
| 20kg
|
Volume mm
| 240W, 110H, 230L
| 280W, 110H, 270L
|
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Composition (wire mass%)
| Typical
| Guarantya
|
|---|
C
| 0.12
| 0.07~0.13
|
|---|
Si
| 0.23
| 0.15~0.50
|
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Mn
| 0.63
| 1.20
|
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P
| 0.004
| 0.010
|
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S
| 0.005
| 0.010
|
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Ni
| 0.15
| 0.80
|
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Co
| 0.41
| -
|
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| Cr | 8.38
| 8.00~10.50
|
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Mo
| 0.98
| 0.85~1.20
|
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| Cu | 0.01
| 0.20
|
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| Nb | 0.06
| 0.02~0.10
|
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| V | 0.18
| 0.15~0.30
|
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| N | 0.04
| 0.03~0.07
|
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| Al | <0.01
| 0.04
|
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| Mn+Ni | 0.78
| 1.50
|
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Note: aSingle values are maximium.
|
Welding parameters (A)
φ mm
| 1F, 1G, 2F
| 2G, 3G uphill, 4G
|
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1.2
| 260~320
| 140~200
|
All-weld mechanical properties
| Typical
| Guaranty
|
|---|
0.2%YS (MPa)
| 590
| 414min.
|
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TS (MPa)
| 730
| 621min.
|
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El on 4d (%)
| 23
| 15min.
|
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IV 0℃ (J)
| 30
| -
|
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| PWHT (°Cxh) | 760x2
| 760±15x2
|
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| SG | Ar-5%CO2 | Ar-5%CO2 |
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