ASME B16.9 ASTM A403 WP347H SMLS Concentric Reducer DN350-DN300 SCH160

Element

347

347H

Chromium

17.00 min.-19.00 max.

17.00 min.-19.00 max.

Nickel

9.00 min.-13.00 max.

9.00 min.-13.00 max.

Carbon

0.08

0.04 min.-0.10 max.

Manganese

2.00

2.00

Phosphorus

0.045

0.045

Sulfur

0.03

0.03

Silicon

0.75

0.75

Columbium & Tantalum

10 x (C + N) min.-1.00 max.

8 x (C + N) min.-1.00 max.

Iron

Balance

Balance

STANDARD

UNS

WERKSTOFF NR.

SS 347

S34700

1.4500

SS 347H

S34709

1.4961

Grade

347 / 347H

Tensile Strength (MPa) min

515

Yield Strength 0.2% Proof (MPa) min

205

Elongation (% in 50mm) min

40

Hardness

Rockwell B (HR B) max

92

Brinell (HB) max

201

Density
lbm/in3

Coefficient of
Thermal Expansion (min/in)-°F

Thermal Conductivity BTU/hr-ft-°F

Specific Heat BTU/lbm -°F

Modules of Elasticity (annealed)2-psi

at 68 °F

at 68 – 212°F

at 68 – 1832°F

68-932°F

at 32 – 212°F

in tension (E)

0.288

9.2

11.4

14.7

0.12

28 x 106