Stainless Steel 347 Needle Valve

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Stainless Steel 347 Needle Valve
BRAND NAME TU-LOK
VALVE SIZE 1/8" TO 2" / 6 MM TO 50 MM
THREAD NPT, BSPP, BSPT, JIC, METRIC, UNF
CONNECTION THREADED, TUBE END, BUTT WELD, SOCKET WELD, FLANGE END
FLOW PATTERN STRAIGHT, ANGLE, CROSS PATTERNS
FUNCTION 2 WAY, 3 WAY
BODY SHAPE SQUARE, ROUND, HEXAGON
PRESSURE RATING 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15,000 PSI, 20000 PSI
ORIFICE SIZE 2 MM TO 9.5 MM
BODY TYPE BAR STOCK
MATERIAL SS 347

 

SS 347 NEEDLE VALVE

SS 347 NEEDLE VALVE

SS 347 SCREWED BONNET NEEDLE VALVE

SS 347 SCREWED BONNET NEEDLE VALVE

 

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Element Content (%)
Iron, Fe 62.83 - 73.64
Chromium, Cr 17 - 20
Nickel, Ni 9 - 13
Manganese, Mn 2
Silicon, Si 1
Niobium, Nb (Columbium, Cb) 0.320 - 1
Carbon, C 0.04 - 0.10
Phosphorous, P 0.040
Sulfur, S 0.030

 

Properties Metric Imperial
Tensile strength, ultimate 480 MPa 69600 psi
Tensile strength, yield 205 MPa 29700 psi
Rupture strength (@750°C/1380°F, time 100,000 hours) 38 - 39 MPa, 5510 - 5660 psi
Elastic modulus 190 – 210 GPa 27557 – 30458 ksi
Poisson’s ratio 0.27 – 0.30 0.27 – 0.30
Elongation at break 29% 29%
Hardness, Brinell 187 187

 

Grade Density Modulus of Elasticity in Tension Melting Range
g/cm3 lb/in3
347 7.96 0.288 28 x 106 psi
193 GPa
1398-1446°C
2550-2635°F

 

STANDARD WERKSTOFF NR. UNS
SS 347 1.4550 S34700