Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM A778-01
Năm ban hành 2001

Publication date

Tình trạng W - Hết hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products
Chỉ số phân loại Quốc tế (ICS)

By field

23.040 - Phụ tùng đường ống và đường ống
23.040.40 - Ðầu nối bằng kim loại
Số trang

Page

4
Giá:

Price

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Phạm vi áp dụng

Scope of standard

1.1 This specification covers straight seam and spiral butt seam welded unannealed austenitic stainless steel tubular products intended for low and moderate temperatures and corrosive service where heat treatment is not necessary for corrosion resistance. lists the five grades covered by this specification. The user of this specification should be aware that a minimum amount of testing and examination 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 tubular product with post-weld heat treatment or with radiographic examination are referred to Specification A312/A312M, A358/A358M, or A409/A409M, as applicable. 1.2 This specification covers welded unannealed tubular products 3 in. (75 mm) through 48 in. (1200 mm) in outside diameter and in nominal wall thicknesses of 0.062 in. (1.5 mm) through 0.500 in. (12.5 mm) produced to this specification. Tubular products having other diameters or wall thickness, or both, may be furnished provided it complies with all other requirements of this specification. 1.3 The values stated in inch-pound units are to be regarded as the standard.