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| Material: | EN 1.4568 SUS631 Cold Drawn Stainless Steel Wire Or Straightened Round Bar | Delivery State: | Condition A ( Solution Treated ), C |
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| Dia: | 0.3~16.0mm, Others On Request | Form Of Supply: | In Coil Or Cut To Length Straightened Bar |
| Highlight: | stainless steel spring wire,stainless steel round wire |
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EN 1.4568 SUS631 Cold Drawn Stainless Steel Straightened Round Bar
Alloy 17-7PH, 631, 1.4568, X7CrNiAl17-7 precipitation hardening stainless steel alloy.
It is a semi-austenitic being austenitic in the annealed condition and martensitic in the hardened condition.
Alloy 17-7PH provides high strength and hardness, excellent fatigue properties, good corrosion
resistance and minimum distortion upon heat treatment. It is easily formed in the annealed condition,
then hardened to high strength levels by simple heat treatments to Conditions RH 950 and TH 1050.
The exceptionally high strength of Condition CH 900 offers many advantages where limited ductility and
workability are permissible.
In its heat treated condition, this alloy provides exceptional mechanical properties at temperatures up to 900ºF (482ºC).
APPLICATIONS
| Grade | C | Si | Mn | P | S | Cr | Ni | Al |
| 631 | 0.09 max | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 16.00~18.00 | 6.5~7.75 | 0.75~1.50 |
Density
(Cond. A), 0.282lbs/in³, 7.80 g/cm³
TYPICAL CONDITION C
Ultimate Tensile Strength: 200 KSI min (1380 MPa min)
Yield Strength (0.2% offset): 175 KSI min (1205 MPa min)
Elongation: 1% min
Hardness: Rc 41 min (aim)
HEAT TREAT CAPABILITIES
TH1050 TYPICAL
Ultimate Tensile Strength: 180 KSI min (1240 MPa min)
Yield Strength: (0.2% Offset) 150 KSI min (1034 MPa min)
Elongation: Consult Ulbrich Technical Services
Hardness: Rc 38 min
RH950 TYPICAL
Ultimate Tensile Strength: 210 KSI min (1450 MPa min)
Yield Strength: (0.2 Offset) 190 KSI min (1310 MPa min)
Elongation: Consult Ulbrich Technical Services
Hardness: Rc 44 min
CH900 TYPICAL
Ultimate Tensile Strength: 240 KSI min (1655 MPa min)
Yield Strength: (0.2% Offset) 230 KSI min (1586 MPa min)
Elongation: 1% min
Hardness: Rc 46 min (aim)
HARDENING
Alloy 17-7PH can be hardened by:
Heat treatment from “Condition A” (RH950 or TH1050)
Cold rolling: Condition 1/2 C, 3/4 C, C
Heat treatment of Condition C (CH900)
Typical Room Temperature Mechanical Properties
| Property | A | T | TH 1050 | A1750 | R100 | RH950 | C | CH900 |
| UTS | 896 | 1000 | 1379 | 917 | 1207 | 1620 | 1517 | 1827 |
| YS | 276 | 690 | 1276 | 290 | 793 | 1517 | 1310 | 1793 |
| Elongation | 35 | 9 | 9 | 19 | 9 | 6 | 5 | 2 |
| Hardness, Rockwell | B85 | C31 | C43 | B85 | C36.5 | C48 | C43 | C49 |
For Details, please Contact
WUXI GUANGLU Special Steel Co., Ltd.
Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs
Tel: +86 510 81812873
Email: export@guanglusteel.com
Contact Person: Mr. Paul
Tel: 86-510-81812873
Fax: 86-510-81812872
