17-7PH Stainless Steel
17-7PH Stainless Steel
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17-7PH Stainless Steel
Alloy 17-7 PH a precipitation hardening stainless steel that provides high strength and hardness, excellent fatigue properties, good corrosion resistance, good formability, and minimum distortion upon heat treatment. 
Alloy 17-7 PH provides valuable property combinations particularly well suited for aerospace applications. This special alloy also provides benefits for other applications requiring high strength and good corrosion resistance, as well as excellent properties for flat springs at temperatures up to 315°C (600°F ).
If you are planning to buy 17-7PH (631) bar / sheet / pipe / fittings / flange from professional manufacturers suppliers in China, please feel free to contact Wenzhou Taixin Steel Co.,Limited, equipped with productive factory, we are always at your service.
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Pipe
Outer Diameter: 1mm-1500mm
Thickness: 0.1mm-50mm
Length: 1-12m
Surface: Annealed/Pickling/Polished
Shape: Round/Square/Hex
Technique: Hot Rolled/Cold Drawn

Sheet:
Thickness: 0.1mm-100mm
Width: 10-2000MM
Length: 1000mm-6000mm
Finish: NO.1, 2B, BA, NO.4, 8K, SB, Hairline, 
brush, polished, PVC film, Laser film, etc.

Bar:
Diameter: 5.0-500mm
Length: 1-12m
Surface: Black/Pickled/Polished/HL
Shape: Round/Square/Hex

Chemical Composition:

Grade

%

Ni

Cr

Fe

C

Mn

17-4PH

Min

3

15.5

-

 

 

 

Max

5

17.5

-

0.07

1

 

 

Si

Cu

P

S

 

 

 

 

3

 

 

 

 

 

1

5

0.04

0.03


Material

Condition

Ultimate Tensile Strength (ksi)

0.2 % Yield Strength (ksi)

Elongation % in 2D

% Reduction of Area

Rockwell C Hardness

17-7 Sheet / Strip
AMS 5528

Cond A

105 max

65

20

-

92 HRB max

17-7 Sheet / Strip
AMS 5528

TH1050

180-120

150

4-6

-

38-46

17-7 Sheet / Strip

RH950

220

200

9

-

46

17-7 Sheet / Strip
AMS 5529

Cond C

200 min

175 min

1

-

41 min

17-7 Sheet / Strip
AMS 5529

CH 900

240 min

230 min

1

-

46 min

17-7 Bar
AMS 5644

Cond A

170 min

140 min

6

25

363 HB min

Packing:
All Wenzhou Taixin Steel's products are packed, stored, transported according to the international regulation. The products are wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.Ply wooden box are available for special protection. Other kinds of packing can be offered if request.
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