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Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet

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Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet

Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet
Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet

Large Image :  Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet

Product Details:
Place of Origin: China
Brand Name: Daway
Certification: SGS
Model Number: SUS631 17-7PH
Payment & Shipping Terms:
Minimum Order Quantity: 500 kgs
Price: negotiable
Packaging Details: seaworthy
Delivery Time: 15 days after receipt 30% of value
Payment Terms: L/C, T/T
Supply Ability: 200 tons per month
Detailed Product Description
PH Grade: SUS631 17-7PH Product: JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet
Size Range: 0.1~10.0X420mm Delivery Condition: Condition A, C
High Light:

630 stainless steel

,

17 4 ph stainless steel

Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet

 

SUS630, SUS631 and SUS632 are cold rolled and then precipitation hardened.

This process forms an intermetallic compound containing minute amounts of aluminum in the martensite,

which enables these materials to achieve extremely high hardness.

(Compared to austenitic stainless steels, precipitation hardening stainless steels have somewhat poorer corrosion resistance.)

 

*Precipitation hardening refers to a process in which a material is artificially age-hardened (precipitation hardened)

after solution heat treatment.

*Corrosion resistance: Austenitic steels > Precipitation hardening steels > Ferritic steels

 

What is SUS631 (17–7PH)?

Maintaining the superior properties of 18–8 stainless, SUS631 is the most common precipitation hardening stainless

steel that can be hardened through heat treatment. It can be subjected to a variety of heat treatment processes to

suit working and applications from the softest solution heat treatment to a hard full-hardened finish.

This allows it to acquire strength second only to quenched high-carbon martensitic stainless steels.

In a solution-heat-treated state, SUS631 is non-magnetic, but demonstrates quite strong magnetic properties

after precipitation hardening.

 

Material

AISI, UNS EN, DIN JIS AK Steel Chemical composition

631

S17700

1.4568

X7CrNiAl17-7

SUS631 17-7PH C 0.09, Si 1.00, Mn 1.00, P 0.040, S 0.030, Cr 16.00~18.00, Ni 6.5~7.75, Al 0.75~1.50

 

As rolled or Solution-treated As Precipitation hardened
Material condition Temper

Hardness

HV

Tensile strength

N/m㎡

Elongation

V bend

test

W bend

test

Hardness

HV

Tensile strength

N/m㎡

Yield strength

N/m㎡

Spring deflection limit

N/m㎡

Material A

(Solution-treated)

 

TH1050 ≦200 ≦1030 20≦ 0.5tR90° 1.0tR90° 345≦ 1140≦ 960≦ ---
RH950 392≦ 1230≦ 1030≦ ---

Material C

(As Rolled)

1/2H 350≦ 1080≦ 5≦

1.5t

R90°

2.0t

R90°

380≦ 1230≦ 880≦ 635≦
3/4H 400≦ 1180≦ --- --- --- 450≦ 1420≦ 1080≦ 835≦
H 450≦ 1420≦ --- --- --- 530≦ 1720≦ 1320≦ 980≦
EH 480≦ 1620≦ --- ---- --- 560≦ 1900≦ 1570≦ ---

 

 

Precipitation hardening of SUS631 stainless steel

Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet 0

The TH and RH treatments involve two types of heat treatment processes to harden materials.

The T and R treatments are primary hardening heat treatments to cause a martensitic transformation in an

A material that is a metastable austenite phase (as with quenching of steel).

In the H treatment, precipitation hardening (the most prominent feature of this grade) is performed to harden

the metal completely. The CH treatment is a way to harden materials by cold working instead of martempering.

We supply our products finished to a suitable hardness by cold rolling them. (C material)

Consequently, it is only necessary to perform a single precipitation hardening treatment before use.

*The number after TH, RH, and CH indicates the temperature of the precipitation hardening treatment in degrees Fahrenheit.

 

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

 

Precipitation Hardening JIS SUS631 17-7PH Cold Rolled Stainless Steel Strip And Sheet 1

Contact Details
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