17-7Ph Pipes
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We could produce 17-7Ph pipes,17-7 Ph pipes,17-7Ph seamless pipes,17-7Ph welded pipes,17-7Ph boiler pipes, 17-7Ph heat exchanger pipes,17-7Ph Capillary pipes,17-7 Ph Thermocouple pipes,17-7Ph Superheater pipes and reheater pipes,17-7Ph condenser pipe,17-7Ph finned pipes,17-7 Ph furnace pipes,17-7Ph instrumentation pipes,17-7Ph Evaporator pipes,17-7Ph honed pipes,17-7 Ph coiled pipes,17-7Ph Precision pipes,17-7Ph High pressure pipes,17-7Ph hydraulic pipes from china
The outer diameter of 17-7Ph pipes that we could do is from 0.4MM to 850MM,The thickness of 17-7Ph that we could do is from 0.12MM to 100MM
As per surface finish of 17-7 Ph pipes, we could do pickled and polish into bright surface as per the requirement of the clients, also for bright surface of 17-7Ph pipes, we could meet 2D finish.No. 4 Finish,No. 6 Finish,No. 7 Finish as per the requirement of the clients
17-7Ph provides benefits for other applications requiring high strength and good corrosion resistance, as well as excellent properties for flat springs at temperatures up to 600°F (316°C).

The chemical composition of 17-7Ph pipes is as follows



Carbon 0.09 max.

Manganese 1.00 max.

Phosphorus 0.040 max.

Sulfur 0.030 max.

Silicon 1.00 max.

Chromium 16.00 - 18.00

Nickel 6.50 - 7.75

Aluminum 0.75 - 1.50

The mechanical propery of 17-7 Ph seamless pipes is as follows



Ultimate Tensile Strength (PSI

0.2 % Yield Strength (PSI)

Elongation % in 2D

% Reduction of Area

Rockwell C Hardness


Cond A

168780 min

139055 min



363 HB min

As per heat treatment of 17-7Ph pipes, we could do solution treatment, annealed treatment as per the requirement of the clients
As per material of 17-7Ph pipes, our raw material has been melted by  EAF+VOD-ESR methods
We produce 17-7Ph seamless pipes and weled pipes as per the standard of ASTM B729 and ASTM B464
In order to control the quality of 17-7 Ph 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 17-7Ph pipes are packed wooden crates lined with wax craft paper, tri-wall clay-coated reinforced cases
Our 17-7Ph seamless pipe and weled pipes are widely used in many industry :Oil Refineries,Valve & Wellhead equipment manufacturers,Chemical & Petrochemical Complexes,Oil & Gas industries,Heat Exchanger manufacturers,Pressure Vessel manufacturers,Fertilizer Plants,Thermal Power Plants,Nuclear Power Plants,Original Equipment manufacturers to Oil & Gas Industries,Engineering & Process Management Consultants and so on

We could supply 17-7Ph 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 17-7Ph pipes that you need, we are glad to quote the best price for your side
Except 17-7Ph pipes,we also could produce 17-7Ph flanges,17-7Ph plates,17-7Ph fasteners,17-7Ph bolts,17-7Ph pipe fittings,17-7Ph bars,17-7Ph tubes,17-7Ph springs