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ASTM A778 / ASME SA778 / Welded Unannealed Austenitic Stainless Tubular Products supplier & distributor in India

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ASTM A778-88/ASME SA778 

WELDED UNANNEALED AUSTENITIC STAINLESS STEEL TUBULAR PRODUCTS1 

(ASTM A 778 - 88 / ASME SA 778 /ASTMA778-88/ASMESA778)

1. Scope 


1.1 This specification covers straight seam and spiral butt seam welded unannelaed austenic stainless steel tubular products intended for low and moderate temperatures and corrosive service where heat treatment is not necessary for corrosion resistance. Table 1 lists the five grades covered by this specification. the user of this specification should be aware that a miinimum amount of testing and examinatin is required of the basic product The user requiring additional testing or examination is referred to the supplemental requirements or Ordering Information, or both. Users requiring a tublular product with post-weld geat treatment or with radiographic examination are referred to Specifications A 312, A358, or A4092 as applicable. 

1.2 This specification covers welded unannealed tubllar products 3 in.(75mm) through 48 in.(1200mm) in outside diameter and in nominal wall thickness of 0.062in. (1.5mm))through 0.500 in.(12.5mm)produced to this specification. Tubular products gabing other diameter, or wall thickness, or byoth may be furnished provided it complies with all other requirements of this specification. 

1.3 the values stated in inch-pound units are to regarded as the standard.

JIS Number and Corrensponding Foreign Standards 

JIS ASTM BS DIN NF ISO Index Number
Standard Number Grade Tupe Standard Number Grade Tupe Standard Number Grade Tupe Standard Number Grade Tupe Standard Number Grade Tupe Standard Number Grade Tupe
G3468 A409 TP304 SUS 2604/5 TW47 SUS C009
304TPY SUS A358 304 SUS
SUS A409 TP304L SUS 2604/5 TW46 SUS
304LTPY SUS A358 304L SUS
SUS A358 309 SUS
309STPY SUS
SUS A358 309 SUS
310STPY SUS
SUS A409 TP316 SUS 2604/5 TW60 SUS
316TPY SUS A358 316 SUS " TW61 SUS
SUS A409 TP316L SUS 2604/5 TW57 SUS
316LTPY SUS A358 316L SUS
SUS A409 TP317 SUS
317TPY SUS
SUS
317LTPY SUS
SUS A409 TP321 SUS
321TPY SUS A778 TP321 SUS
321 SUS
SUS A409 TP347 SUS TW50 SUS
347TPY SUS A778 TP347 SUS
SUS A358 347 SUS
SUS
329JITPY SUS

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