Sensor pockets material specification Stainless steel

Issue

Material specification for stainless steel sensor pockets

Product Line

Field Devices

Environment

Sensor pockets

Cause

Some customers require a specification on the material used for the sensor pockets in stainless steel.

Resolution

Our stainless steel pockets are manufactured from V4A material (1.4571).

- material constants:

1. VA

 

Material No.

1.4571

 

EN symbol (short)

X6CrNiMoTi17-12-2

 

AISI/SAE

316 Ti

 

UNS

S 31635

 

AFNOR

Z 6 CNDT 17.12

 

B.S.

320 S 17, 320 S18, 320 S31

 

alloy

 

Registered work's label

 

Standards

VdTÜV 454

 

 

Chemical composition

C

Si

Mn

P

S*

Cr

Mo

Ni

Ti

≤ 0,08

≤ 1,0

≤ 2,0

≤ 0,045

≤ 0,015

16,5–18,5

2,0-2,5

10,5-13,5

5 x C ≤ 0,70

 

 

 

 

 

 

 

 

 

* for long products S ≤ 0,30; for products to be processed S = 0,015–0,030

                     

 

 

Special characteristics

Temperature range

Dichte kg/dm³

Hardness HB 30

up to 550° C

8

≤215