Filler Metals


STELLITE 1 STELLITE 1




Nominal Composition (mass %) and Physical Properties

Co Cr w C Others Hardness Density Melting Range
Base 28-32 11-13

2.0-3.0

Ni,Fe,Si,

Mn,Mo

50-58 HRC

550-720 HV

8.69 g/cm3

0.314 lb/in3

2175-2450 ํ F

1190-1345 ํ C

Stellite® 1 is a hardfacing alloy possessing excellent abrasion and corrosion resistance for applications

such as pump sleeves, rotary  seal rings, wear pads, expeller screws and bearing sleeves. It retains its

hardness at temperatures in excess of 760 ํ C (1400 ํ F).

Stellite® 1 contains a high proportion of hard, wear resistant primary carbides. These render the alloy 

well suited to applications involving extreme low-angle erosion and severe abrasion, with some sacrifice

in toughness. Compared to other

Stellite®alloys it is more crack-sensitive, and care should be taken to minimize the cooling stresses experienced

during casting and hardfacing processes. Due to it's high hardness and wear resistance, Stellite® 1 should

only be finished by grinding.

 

Corrosion Resistance

Stellite® 1 has good general corrosion resistance. The typical electrode potential in sea water at room

temperature is approx.-0.4 V (SCE). Stellite® 1 corrodes primarily by a pitting machanism ans not by 

general mass loss in seawater and chloride solutions. More detailed imformation regarding corrosion

resistance can be provided on request.

 

Nominal Thermal Expansion Coefficient (from 20 ํC/68 ํ F to stated temperature)

 

100 ํ C

(212 ํ F)

200 ํ C

(392 ํ F)

300 ํC

(572 ํF)

400 ํ C

(752 ํ F)

500 ํ C

(932 ํ F)

600 ํ C

(1112 ํ F)

700 ํ C

(1292 ํ F)

800 ํ C

(1472 ํ F)

900 ํ C

(1652 ํF)

um/m.k 10.5 11.3 11.8 12.1 12.5 12.8 13.5 13.9 14.4
u-inch/inch- ํF 5.8 6.3 6.5 6.7 6.9 7.1 7.5 7.7 8.0

 

Nominal Tensile Properties at Room Temperature

  Utimate Tensile Strength Rm Yield Stress Rp(0.2%) Elongation Elastic Modulus
  ksi MPa ksi MPa A(%) psi GPa
Castings 79 550 - - <1 36.0x10 6 248
Stellite  HS-6 (*) 173 1195 152 1050 <1 33.4x10 6 230

(*) "HS" = HIP -consolidated from the powder form

Nominal Hot Hardness (DPH) as-cast

20 ํC

(68 ํ F)

100 ํ C

(212 ํ F)

200 ํ C

(392 ํ F)

300 ํC

(572 ํF)

400 ํ C

(752 ํ F)

500 ํ C

(932 ํ F)

600 ํ C

(1112 ํ F)

700 ํ C

(1292 ํ F)

800 ํ C

(1472 ํ F)

900 ํ C

(1652 ํF)

um/m.k 573 540 508 485 453 406 330 217 140

 

Thermal and Electrical Properties

  Approximate value at Room Temperature
Thermal conductivity 14.5 W/m.k 100.5 Btu-in/hr/ft2/ ํF
Electrical resistivity 94.0 u-ohm.cm 37.0 u-ohm.inch
 

Product Forms and Cross Reference Specifications

Stellite® 1 is available as welding wire, rod, powder, and electrode,finished castings and HIP consolidated bland or parts. Deloro Stellite also offers hardfacing

services.

Stellite® 1 can be supplied to the following specifications:

 

SPECIFICATION PRODUCT  FORM

UNS R30001

 

Stellite® 1Rod, castings, powder for PTA or

laser processing

UNS R30001

Stellite® HS-1 (HIP-consolidated from powder)

UNS W73031

Stellite® 1 Wire

 

SPECIFICATION PRODUCT FORM

AWS A5.21 / ASME BPVC IIC SFA 5.21 ERCoCr-C

Stellite® 1 Rod

AWS A5.21 / ASME BPVC IIC SFA 5.21 ERCCoCr-c

Stellite® 1 Wire

AWS A5.13 / ASME BPVC IIC SFA 5.13 ECoCr-C

Stellite® 1 Electrode

Stellite is a registered Trade Name of Deloro Stellite.

 

Deloro Stellite manufactures sophisticated alloys in the form of casting, powders, coatings, consumables, and machined parts

that resist wear, corrosion, and abrasion. Information provided in this document is intended only for general guidance about 

Deloro Stellite products and is the best information in our possession at the time. Product users may request information about

their individual use of our of our products, but Deloro Stellite does not warrant or guarantee this information in any way. Selection

and purchase of Deloro Stellite products is the sole responsibility of the product user based on the suitability of each use. Individual

applications must be fully evaluated by the user, including compliance with applicable laws, requlations, and non-infringement.

Deloro Stellite cannot knowor anticipate the many varibles thet affect individual product use and individual performance results

may vary. For these reasons, Deloro Stellite does not warrant or quarantee advice or information in this document, assumes no liability

regarding the same, and expressly disclaims any warranty of any kind,including any warranty of fitness for a particular pupose,

regarding the same.







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