Austenitic steels

TP 347 • 1.4550

Datasheet

The chromium nickel stainless steel TPS-INOX 4550-347 with additions of titanium and niobium is mainly used in the food industry, chemical industry and the petroleum industry. With temperatures of up to 400°C this grade shows good resistance against intergranular corrosion. Furthermore, this grade is suitable for TIG, MAG and manual arc welding procedures.

Chemical composition • mass in %

Material grade Norm C
max.
Si
max.
Mn
max.
P
max.
S
max.
Cr Ni Mo Ti others
1.4550 EN 10216-5 0,080 1,00 2,00 0,040 0,015 17,00 - 19,00 9,00 - 12,00 5x% C max. 0,70
TP347 ASME SA / ASTM A 213 0,080 1,00 2,00 0,045 0,030 17,00 - 20,00 9,00 - 13,00 5x% C max. 0,70

Mechanical properties and heat treatment

Material grade Norm Rp 0,2 MPa
min.
Rp 1,0 MPa
min.
Rm MPa
min. max.
A
min.%
Hardness
HRB max.
Heat treatment
1.4550 EN 10216-5 205 240 510 - 740 35 solution annealed
TP347 ASME SA / ASTM A 213 205 515 35 90 solution annealed

Rp 0,2 = Rotation

Rp 1,0 = Yield Strength

Rm = Tensile Strength

A = Elongation

Tolerances

OD - Tube OD WT special WT ID
ab Ø4,55 mm ±0,050 mm ±0,150 mm ±0,100 mm X
ab Ø9,53 mm ±0,050 mm ±0,100 mm ±0,080 mm ±0,050 mm
ab Ø30,00 mm ±0,100 mm ±0,150 mm ±0,050 mm

Scope of dimensions*

* Dimensions not shown on request

WD [mm] 0,89 1,00 1,20 1,24 1,65 1,82 2,00 2,11 2,30 2,35 2,50 2,60 2,64 2,77 2,87 3,00 3,20 3,25 3,60 3,85 3,91 4,00 4,40 5,50 6,35 7,00
AD [inch] 0,035 0,048 0,065 0,072 0,083 0,093 0,104 0,109 0,113 0,126 0,128 0,154 0,250
[mm] [inch]
6,00
6,35 0,250
7,00
7,50
8,00
9,00
9,53 0,375
10,00
11,00