17-4Ph Stainless Steel Washers Manufacturer & Supplier India

17-4Ph Stainless Steel Washers

630, 1.4542, S17400, X5CRNICUNB16-4

17-4 PH Washers are martensitic stainless steel washers manufactured from alloy containing chromium and nickel with addition of copper to achieve precipitation hardening. Stainless Steel 17-4 PH Washers are used in the oil and gas, nuclear and aerospace industries where a combination of high strength, corrosion resistance and a generally low but acceptable degree of toughness is required. TorqBolt is an eminent 17-4 PH washer supplier in India.

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17 4 Ph Bolts 17 4 Ph Forgings 17 4 Ph Washers 17 4 Ph Stainless Steel Nuts 630 Stainless Steel Fasteners 1.4542 Screws 17 4 Ph Stainless Steel Screws 17 4 Ph Stainless Steel Threaded Rod

17-4 PH Stainless Steel Properties

17-4 Ph Chemical Requirements

UNS Designation Type C Mn P S Si Cr Ni Al Mo Ti Cu Other Elements C
S17400 630 0.07 1 0.04 0.03 1 15.0–17.5 3.0–5.0 . . . . . . . . . 3.0–5.0 D

17-4 Ph Mechanical Requirements

Solution-Treated Condition

Type Tensile Strength, max Yield Strength, max Elongation in 2 in. or 50 mm, min, % Hardness, max
ksi MPa ksi MPa Rockwell Brinell
630 0.015 to 4.0 in. (0.38 to 102 mm) . . . . . . . . . . . . . . . C38 363

Precipitation Hardening Treatment

Grade Hardening or Precipitation Treatment or both, °F(°C) Thickness, in. (mm) Tensile Strength, min Yield Strength, min Elongation in 2 in. or 50 mm, min, %A Reduction of Area, min, %A Hardness, min Impact Impact Charpy V, minB
ksi MPa ksi MPa Rockwell,min/max Brinell,min/max ft·lbf J
630 900 (482) Under 0.1875 (4.762) 190 1310 170 1170 5 . . . C40/ C48 . . . . . . . . .
0.1875 to 0.625 (4.762 to 15.88) 190 1310 170 1170 8 25 C40/C48 388/ 477 . . . . . .
0.626 to 4.0 (15.90 to 102) 190 1310 170 1170 10 30 C40/ C48 388/ 477 . . . . . .
925 (496) Under 0.1875 (4.762) 170 1170 155 1070 5 . . . C38/ C46 . . . . . . . . .
0.1875 to 0.625 (4.762 to 15.88) 170 1170 155 1070 8 25 C38/C47 375/ 477 . . . . . .
0.626 to 4.0 (15.90 to 102) 170 1170 155 1070 10 30 C38/ C47 375/ 477 . . . . . .
1025 (552) Under 0.1875 (4.762) 155 1070 145 1000 5 . . . C35/ C43 . . . . . . . . .
0.1875 to 0.625 (4.762 to 15.88) 155 1070 145 1000 8 30 C33/C42 321/ 415 10 14
0.626 to 4.0 (15.90 to 102) 155 1070 145 1000 12 35 C33/ C42 321/ 415 15 20
1075 (579) Under 0.1875 (4.762) 145 1000 125 860 5 . . . C31/ C40 . . . . . . . . .
0.1875 to 0.625 (4.762 to 15.88) 145 1000 125 860 9 30 C29/C38 293/ 375 15 20
0.626 to 4.0 (15.88 to 102) 145 1000 125 860 13 35 C29/ C38 293/ 375 20 27
1100 (593) Under 0.1875 (4.762) 140 965 115 790 5 . . . C31/ C40 . . . . . . . . .
0.1875 to 0.625 (4.762 to 15.88) 140 965 115 790 10 30 C29/C38 293/ 375 15 20
0.626 to 4.0 (15.88 to 102) 140 965 115 790 14 35 C29/ C38 293/ 375 20 27
1150 (621) Under 0.1875 (4.762) 135 930 105 725 8 . . . C28/ C38 . . . . . . . . .
0.1875 to 0.625 (4.762 to 15.88) 135 930 105 725 10 35 C26/C36 269/ 352 25 34
0.626 to 4.0 (15.88 to 102) 135 930 105 725 16 40 C26/ C36 269/ 352 30 41
1400 + 1150 Under 0.1875 (4.762) 115 790 75 515 9 . . . C26/ C36 255/ 331 . . . . . .
(760 + 621) 0.1875 to 0.625 (4.762 to 15.88) 115 790 75 515 11 40 C24/ C34 248/ 321 55 75
0.626 to 4.0 (15.88 to 102) 115 790 75 515 18 45 C24/ C34 248/ 321 55 75

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