Stainless Steel Pipe Fitting Hexagon Nipple(casting):
1) Size: 1/8"~4"
2) DIN JIS ANSI BS
3) SS, 304 316 316L
4) Payment: L/C or T/T
5) The fittings are in accordance with ISO 4144 in terms of all dimensions.
MATERIAL
The standard material of the products are as follow:
304 C%<0.08 Mn%<1.5 Si%<2.0 S%<0.04 P%<0.04 Ni% 8-11 Cr% 18-21
316 C%<0.08 Mn%<1.5 Si%<1.5 S%<0.04 P%<0.04 Ni% 9-12 Cr% 18-21 Mo% 2-3
TENSILE PROPERTIES
Yield Strength(0.2%) Tensile Strength Elongation
304 >205N/square millimeter >485N/square millimeter 35%
316 >205N/square millimeter >485N/square millimeter 30%
TEMPERATURE
304 and 316 are not recommended for service at temperatures in excess of 800°F(425°C).
WORKING PRESSURE
150 psi 304 and 316 screwed fittings are used for standard pressure service as 10.55Kgs/cm² of water pressure.
TYPES OF THREADS
ISO-228,DIN-2999,PS,BSPT.BS21,NPT and threads with special requirements.
LIMIT DEVIATION OF UNSPECIFIED TOLERANCE
Nominal Dimension Limit Deviation
≤3 ±0.125
>3-6 ±0.15
>6-10 ±0.18
>10-18 ±0.215
>18-30 ±0.26
>30-50 ±0.31
>50-80 ±0.37
>80-120 ±0.435
>120-180 ±0.5
>180-250 ±0.575
>250-315 ±0.65
