CF10MC (1.4571)

METRODE PRODUCTS LTD
DATA SHEET B-34 HANWORTH LANE, CHERTSEY

SURREY, KT16 9LL
Tel: +44(0)1932 566721
Fax: +44(0)1932 565168 Sales
Fax: +44(0)1932 569449 Technical
Fax: +44(0)1932 566199 Export
318 STAINLESS STEEL Email: info@metrode.com
Internet: http//www.metrode.com
Alloy type Welding guidelines

Nb stabilised, Mo-bearing stainless steel. No preheat, maximum interpass temperature 250°C.
Materials to be welded Additional information

wrought cast Supermet 318 is not recommended for cryogenic
ASTM/ASME 316Ti, 316Cb CF10MC applications, nor elevated temperature structural service.
DIN & BS EN 1.4571/1.4573, 1.4579/1.4581
1.4580/1.4583 Related alloy groups
BS 320S31/33 318C17
UNS S31635, S31640 The 316L consumables can be used for many of the
same base materials and applications (data sheet B-32).
For cryogenic applications see controlled ferrite 316L
Applications consumables (data sheet B-32) and for elevated
Use to weld titanium or niobium-stabilised grades of temperature see 316H (C-13) or 16.8.2 (C-12)
molybdenum-bearing austenite stainless steels, or as an consumables.
alternative electrode for unstabilised grades such as
316/316L. It is not recommended for structural service Products available
above about 400ºC.
Process Product Specification
It is also used for depositing corrosion resistance
MMA Supermet 318 AWS E318-17
overlays and valve seat inlays on medium carbon alloy
steels, and for this reason the electrode is normally TIG/MIG/SAW 318S96 AWS ER318
supplied with a typical ferrite content of 3-14FN. SAW flux SS300 BS EN SA AF2
Microstructure SSB BS EN SA AF2

LA491 BS EN SA FB255
Austenite with 3-14FN (3-12% ferrite), typically 10FN.
Rev 05 03/07 DS: B-34 (pg 1 of 3)

SUPERMET 318 Nb stabilised Mo-bearing stainless steel MMA electrode
Product description Rutile-aluminosilicate flux on high purity 304L core wire giving very low (<0..025%) typical carbon levels.
Designed for ease of use, exceptional weld bead appearance, and high weld metal integrity, primarily in the
downhand and H-V welding positions. Smaller sizes up to 3.2mm offer excellent all-positional operability.
Low hydrogen manufacturing technology ensures high resistance to weld metal porosity.
Recovery is about 120% with respect to core wire, 65% with respect to whole electrode.
Specifications AWS A5.4 E318-17

BS EN 1600 E 19 12 3 Nb R 32
BS 2926 19.12.3Nb.AR
DIN 8556 E 19 12 3 Nb R 23
ASME IX Qualification QW432 F-No 5, QW442 A-No 8
Composition C Mn Si S P Cr Ni Mo Nb Cu FN
(weld metal wt %) min -- 0.5 -- -- -- 17.0 11.0 2.5 10 x C -- 6
max 0.04 2.0 0.90 0.025 0.030 20.0 13.0 3.0 1.0 0.50 13
typ 0.025 0.8 0.7 0.01 0.02 19 11.5 2.7 0.6 0.1 9
All-weld mechanical As welded min typical

properties Tensile strength MPa 560 630
0.2% Proof stress MPa 350 500
Elongation on 4d % 25 36
Elongation on 5d % 25 35
Reduction of area % -- 55
Impact energy + 20C J -- 65
Operating parameters DC +ve or AC (OCV: 55V min)
ø mm 2.5 3.2 4.0 5.0

min A 60 75 100 130
max A 90 120 155 210
Packaging data ø mm 2.5 3.2 4.0 5.0

length mm 300 350 350 450
kg/carton 11.4 14.1 13.2 18.0
pieces/carton 564 387 237 165
Storage 3 hermetically sealed ring-pull metal tins per carton, with unlimited shelf life. Direct use from tin is satisfactory
for longer than a working shift of 8h. Excessive exposure of electrodes to humid conditions will cause some
moisture pick-up and increase the risk of porosity.
For electrodes that have been exposed:
Redry 200 – 300°C/1-2h to restore to as-packed condition. Maximum 400° C, 3 cycles, 10h total.
Storage of redried electrodes at 50 – 200°C in holding oven or heated quiver: no limit, but maximum 6 weeks
recommended. Recommended ambient storage conditions for opened tins (using plastic lid): < 60% RH, > 18°C.
Fume data Fume composition, wt % typical:

Fe Mn Ni Cr Mo Cu F OES (mg/m3)
8 7 1 5 0.5 <0.2 16 1
Rev 05 03/07 DS: B-34 (pg 2 of 3)

318S96 Solid 318 stainless steel wire for TIG, MIG and SAW
Product description Solid wire for TIG, MIG and SAW.
Specifications AWS A5.9 ER318

BS 2901: Pt2 318S96
DIN 8556 SG X5CrNiMoNb 19 12 (1.4576)
BS EN ISO 14343-A 19 12 3 Nb
BS EN ISO 14343-B SS318
ASME IX Qualification QW432 F-No 6, QW442 A-No 8
Composition C Mn Si S P Cr Ni Mo Nb Cu FN
(wire wt %) min -- 1.0 0.30 -- -- 18.5 11.0 2.5 10xC -- 3
max 0.07 2.0 0.65 0.02 0.030 20.0 13.0 3.0 1.0 0.3 12
typ 0.035 1.8 0.45 0.01 0.02 19.5 11.5 2.5 0.6 0.2 10
All-weld mechanical Typical values as welded TIG

properties Tensile strength MPa 655
0.2% Proof stress MPa 440
Elongation on 4d % 42
Elongation on 5d % 35
Impact energy + 20°C J 90
Hardness cap/mid HV 200/215
Typical operating TIG MIG SAW

parameters Shielding Argon * Ar+2%O2 ** SS300 ***
Current DC- DC+ DC+
Diameter 2.4mm 1.2mm 2.4mm
Parameters 100A, 12V 260A, 26V 350A, 28V
* Also required as a back purge for root runs.
** Also proprietary Ar and Ar-He mixtures with <3%CO2.
*** SSB, LA491 and L2N also suitable.
Packaging data ø mm TIG MIG SAW

1.2 -- 15kg spool --
1.6 2.5kg tube -- --
2.4 2.5kg tube -- 25kg coil
Fume data MIG fume composition (wt %) (TIG and SAW fume negligible):
Fe Mn Cr3 Ni Mo Cu OES (mg/m3)
30 12 15 11 1.5 <0.5 3.3
Rev 05 03/07 DS: B-34 (pg 3 of 3)

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METRODE PRODUCTS LTD

DATA SHEET B-34 HANWORTH LANE, CHERTSEY

Alloy type Welding guidelines

Materials to be welded Additional information

Microstructure SSB BS EN SA AF2

Rev 05 03/07 DS: B-34 (pg 1 of 3)

Specifications AWS A5.4 E318-17

ASME IX Qualification QW432 F-No 5, QW442 A-No 8

All-weld mechanical As welded min typical

Operating parameters DC +ve or AC (OCV: 55V min)

ø mm 2.5 3.2 4.0 5.0

Packaging data ø mm 2.5 3.2 4.0 5.0

Fume data Fume composition, wt % typical:

Rev 05 03/07 DS: B-34 (pg 2 of 3)

Product description Solid wire for TIG, MIG and SAW.

Specifications AWS A5.9 ER318

ASME IX Qualification QW432 F-No 6, QW442 A-No 8

All-weld mechanical Typical values as welded TIG

Typical operating TIG MIG SAW

Packaging data ø mm TIG MIG SAW

Rev 05 03/07 DS: B-34 (pg 3 of 3)

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