Short Description

Model No.: 904L-CR-300X250-40S

China Reducer Manufacturer www.steeljrv.com supplies ASME B16.9 ASTM A403 WP904L Concentric Reducer, BW, DN300 X DN250, SCH40S.

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Key Specifications / Features

Type: Concentric Reducer
Material: ASTM A403 WP904L
Schedule: SCH40S
Standard: ASME B16.9
Size: DN300 X DN250 (12Inch X 10 Inch)

Composition ranges of grade 904L stainless steels

Grade

C

Mn

Si

P

S

Cr

Mo

Ni

Cu

904L

min.

max.

0.02

2

1

0.045

0.035

19

23

4

5

23

28

1

2

Mechanical properties of grade 904L stainless steels

Grade

Tensile Strength (MPa) min

Yield Strength 0.2% Proof (MPa) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B)

Brinell (HB)

904L

490

220

36

70-90 typical

150

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