Application Furnace & Fired Heater

From the most challenging corrosive environments to the extremes of high temperature industrial processes we offer a solutions across applications from Fired Heaters, Heat Exchanger tubing, Process piping and Instrumentation tubing.

Product: Furnace Pipe

SMST-Tubes MaterialDensityMin. mechanical prop. at RT
Rp0.2 Yield StrengthRm Tensile Strength
Heat resistant:g/cm3lb/in3MPaksiMPaksi
DMV 304 H7.90.292053051575
DMV 321 H7.90.291702548070
DMV 347 H7.90.292053051575
DMV 310 H8.00.292053051575
DMV 317 L8.00.292053051575
SMST-Tubes MaterialNearest equivalent standardTypical chemical compositionksiRm Tensile Strength
UNSENCmaxCrNiMoCuothers 
Heat resistant: MPaksi
DMV 304 H0.082)18.59.5    3051575
DMV 321 H0.082)18.511.0   2548070
DMV 347 H0.082)18.511.0   Ti>4xC<0.63051575
DMV 310 H0.102)25.020.0  Nb>8xC<1.03051575
DMV 317 L0.0318.014.53.5       
SMST-Tubes MaterialApplicationNearest equivalent standard
UpstreamDownstreamLNG/GTLUNSENJIS
Heat resistant:
DMV 304 H   S304091.4948 
DMV 321 H   S321091.4940
DMV 347 H   S347091.4912 
DMV 310 H   S310091.4845SUS 310 TB
DMV 317 L   S317031.4438SUS 317 L

Nickel And Nickel-Based Alloys

SMST-Tubes MaterialApplicationNearest equivalent standard
UpstreamDownstreamLNG/GTLUNS JIS
Corrosion resistant:
DMV 800   N08800 1.4876
DMV 825   N08825 2.4858
Heat resistant:      
DMV 800 H   N08810/N08811 1.4958
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Minimum level of carbon content is mandatory.
SMST-Tubes MaterialTypical chemical composition1)
CmaxCrNiMoCuothers
Corrosion resistant:
DMV 8000.0821.032.0  Ti<0.40
DMV 8250.0322.042.03.02.0Ti 0.80; Al 0.10
Heat resistant:      
DMV 800 H0.102)21.032.0  (Al.Ti) 0.15 - 0.60
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Minimum level of carbon content is mandatory.

Austenitic

SMST-Tubes MaterialDensityMin. mechanical prop. at RT
CmaxCrRp0.2 Yield StrengthRm Tensile Strength
Corrosion resistant:g/cm3lb/in3MPaksiMPaksi
DMV 8008.00.292103150073
DMV 8258.10.291802653075
Heat resistant:      
DMV 800 H8.00.291702550073
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Minimum level of carbon content is mandatory.

Application Heat Exchanger

Our Heat Exchanger Tubes are manufactured in straight lengths or ā€˜Uā€™ tube form.  Working in close partnership with fabricators and designers ensures we meet your individual requirements.

PRODUCT: U-BENT TUBES (up to 43 meters/141ft long)

OD rangeInchmm
min0.512.7
max1.538.1
WT rangeInchmm
min0.0350.89
max0.1774.5

 

PRODUCT: STRAIGHT TUBES

OD rangeInchmm
min0.3749.5
max2.050.8
WT rangeInchmm
min0.0350.89
max0.1774.5

Product: Heat Exchanger Tubes

Austenitic Ferritic

SMST-Tubes MaterialNearest equivalent standardTypical chemical compositionDensityMin. mechanical prop. at RT
UNSENCmaxCrNiMoCuothersRp0.2 Yield StrengthRm Tensile Strength
g/cm3lb/in3MPaksiMPaksi
DMV 22.5S318031.44620.0322.05.53.0N 0.172)7.80.284506562090
DMV 25.7 NS327601.45010.0325.07.04.00.5N 0.25; W 0.52)7.80.2855080750109
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Min PRE value controlled.

Austenitic

SMST-Tubes MaterialNearest equivalent standardTypical chemical compositionDensityMin. mechanical prop. at RT
UNSENJISCmaxCrNiMoCuothersRp0.2 Yield StrengthRm Tensile Strength
Corrosion Resistant:g/cm3lb/in3MPaksiMPaksi
DMV 304 LS304031.4306SUS 304L0.0319.011.07.90.291702548570
DMV 316 LS316031.4404 0.0317.012.02.25  8.00.291702548570
DMV 926N089261.45290.0220.025.06.50.8N 0.208.00.292954365094
DMV 954S312541.4547 0.0220.018.06.2 N 0.208.00.293104565595
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Min PRE value controlled.

Nickel And Nickel-Based Alloys

SMST-Tubes MaterialNearest equivalent standardTypical chemical compositionDensityMin. mechanical prop. at RT
UNSDINCmaxCrNiMoCuothersRp0.2 Yield StrengthRm Tensile Strength
Corrosion Resistant:g/cm3lb/in3MPaksiMPaksi
DMV 625N06625 Gr.12.48560.02522.063.09.0Nb 3.58.50.3141460827120
DMV C 276N102762.48190.0116.057.016.0 W8.40.3035051750109
1) All figures in weight percentage. In case of order, the limits of the order specification will apply.
2) Min PRE value controlled.