Stainless steel pipe fittings have strict tolerance and perfect work craft with high quality, and have gained ISO9001:2008 certificate.    
1. Body material: stainless steel 316 and 304. 
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   

2. Thread type: DIN, DIN-2999, NPT, BSP, BSPT (PT), BS21, ISO-228, etc.   

3. Standard: ISO9001:2000, SP114, ISO4144, ASTM, SUS, AISI，316, 304, CF8M, CF8, etc. 

4. Size limited: diameter within 6 inches, length 12 inches. 

5. Craft: Silica-sol-based technical craftwork, precision casting, investment casting, CNC Lathe processing.   

6. Working pressure: 150 psi, 10.55Kgs/cm² of water pressure.   

7. Temprature: 304 and 316 are not recommended for service at temperatures in excess of 800°F(425°C).