Other Test: 
1.Hydrostatic or Nondestructive Electric Test
2.Heat Treatment: according to Standard 
3.Surface Condition:According to Standard. 
4.Grain Size:According to standard 
5.Sampling:flattening,flaring,grain size,Marking

More information according the standard:
A213 : Seamless Ferritic and Austenitic Alloy-Steel Boiler,Superheater and Heat-Exchanger Tube

FAQ
Q1.Are you factory or trading company?
A1. We had our own cooperate fatory with good cooperation and long time(20 years) establish business .

Q2.How long have you been in this product?
A2:More than 8 years.

Q3. What's the minium quantity(MOQ)?
A3. 15 Metric tons

Q4. How long is shipping time?
A4. 7 (ready-made products)-10days(OEM)