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904L Pipes
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We could produce 904L pipes,904 L pipes,904L seamless pipes,904L welded pipes,904L boiler pipes, 904L heat exchanger pipes,904L Capillary pipes,904 L Thermocouple pipes,904L Superheater pipes and reheater pipes,904L condenser pipe,904L finned pipes,904 L furnace pipes,904L instrumentation pipes,904L Evaporator pipes,904L honed pipes,904 L coiled pipes,904L Precision pipes,904L High pressure pipes,904L hydraulic pipes from china
The outer diameter of 904L pipes that we could do is from 0.4MM to 850MM,The thickness of 904L that we could do is from 0.12MM to 100MM
As per surface finish of 904 L pipes, we could do pickled and polish into bright surface as per the requirement of the clients, also for bright surface of 904L pipes, we could meet 2D finish.No. 4 Finish,No. 6 Finish,No. 7 Finish as per the requirement of the clients
904L is a high purity, low sulphur grade, and as such will not machine well.

The chemical composition of 904L pipes is as follows

C

Cr

Cu

Mn

Mo

Ni

P

S

Si

Max

Max

Max

Max

Max

0.02

19.0-23.0

1.0-2.0

2.0

4.0-5.0

23.0-28.0

0.045

0.035

1.0


The mechanical propery of 904 L seamless pipes is as follows

Grade

Tensile Strength (PSI) min

Yield Strength 0.2% Proof (PSI) min

Elongation (% in 50mm) min

Hardness

Rockwell B (HR B)

Brinell (HB)

904L

71050

31900

35

70-90 typical


As per heat treatment of 904L pipes, we could do solution treatment, annealed treatment as per the requirement of the clients
As per material of 904L pipes, our raw material has been melted by  EAF+VOD-ESR methods
We produce 904L seamless pipes and weled pipes as per the standard of ASTM B729 and ASTM B464
In order to control the quality of 904 L seamless pipes and weled pipes, we will do Positive material identification (PMI),Visual inspection,Dimensional inspection.Laser micrometer inspection,Destructive testing( includes tensile, hardness, bending, flattening, flare and metallurgical tests),ultrasonic testing and pressure testing,Liquid Penetrate testing as per the requirement of the clients
Our 904L pipes are packed wooden crates lined with wax craft paper, tri-wall clay-coated reinforced cases
Our 904L seamless pipe and weled pipes are widely used in many industry :aircraft engine manufacturers, oil patch suppliers, petrochemical corporations and power-generation companies. Various military branches, aerospace engineers and nuclear markets and so on

We could supply 904L pipe material certificate as per En10204-3.1 or EN10204-3.2 by third parts(like TUV,DNV,GL,and so on)
Please send us the size and quantity of 904L pipes that you need, we are glad to quote the best price for your side
Except 904L pipes,we also could produce 904L flanges,904L plates,904L fasteners,904L bolts,904L pipe fittings,904L bars,904L tubes,904L springs