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NF
Standard Number
A49-218 (Steel Pipes Seamless Pipes for Rurnaces Austenitic Stainless Steels)
Grade TUZ6CN18-09 TUZ2CN18-10 TUZ6CNT18-10 TUZ6CNNb18-10 TUZ6CND17-11 TUZ2CND17-12 [ All grade ]