EN 1.4568 SUS631 Cold Drawn Stainless Steel Wire or Straightened Round Bars

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

• Springs, washers and clips
• Surgical instruments
• Aerospace components
• Blades

CHEMISTRY TYPICAL ( % weight )

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

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

Special steel from a single source

Guanglu special steel is a leading supplier of high performance stainless martensitic,

precipitation hardening steels and stainless ferritic.

Our target is to offer our products organized as a one stop shopping concept.

In the past over ten years, we have successfully served domestic and international customers, products

particularly applied in the manufacturing of cutlery, knives, scissors, medical instruments, aerospace, energy

and power generation, chemical and oil, shipping, automotive, mold, electronics and mechanical engineering industrial sectors.

Holding the opinion “ the professionals do the professional jobs ”, and we are tailored to meet the needs of customers.
Welcome to inquire, We are happy to work with you.