JIS G3460-1988 低温配管用钢管.pdf

免费标准卜载网(www.fre
G3460
3460
G3460-
Table1“2
Steel Pipes for Low Temperature Service
(Applicable on and after Jan. 1, 1991)
Classification
Letter symbol (Informative reference
of grade
Traditional symbol
This Japanese Industrial Standard specifies the steel pipes, hereinafter refe
Carbon steel pipe
STPL 380
STPL 39
point or under
es, used for Piping at exceptionally low temperatures of freezing. ' ey
STPL. 450
STPL 46
Nickel steel pipe
STPL 690
STPL 7O
Remarks 1. When previously agreed upon by the manufacturer; the purchaser
may designate part or all of the supplementary qualit
requirements Z 3 and Z 4 specified in Appendix, in addition to
the items specified in this text
3. Chemical Composition
Appendix z 3: Ultrasonic Examination
The pipe shall be tested in accordance with 9.1 and the resulting ladle
Appendix Z 4: Eddy Current Examination
analysis values shall conform to Table 2-1 or Table 2-2.
2. The pipes specified in IIS G 3459 with the exception of SUS 329
Table 2-1. Chemical Composition
1 TP, SUS 329 J 2 LTP andsus405 TP and the pipes
specified in JIS G 3468 with the exception of SUS 329 J 1 TPY
(Applicable till the end of 1990)
may be also used. In these cases, the impact test may be omitted
Unit名
an
are
the International System of Units (S1) and are
lative reference
symbol
si
of grade
Further, the traditional units accompanied by numerical values
in this Standard shall be converted, January 1, 19
units and numerical values specified in Appendix 91, e si
STPL 39
0.35
1-35
0035
0-0
STPL 46
0.10to10.30te
3.20to
Grade and Designation
8
035
0.60
max.
The pipe shall
classified into 3 grades and their letter symbols shal! be as
STPL 70
0.13
0.10to
0.90
850to
given in Table 1-1 or Table 1-2
mex.
0-35
max
9.50
Table 1-1. Letter Symbol of Gradc
Remarks 1. When it is practically difficult to apply the impact test due to
(Applicable till the end of 1990
the dimensions of a pipe, ST PL 39 shall, by way of compensation,
contain 0.010 or more of acid soluble aluminium, or alterna
tively, 0.015 or more of total alumini
Letter
2. When product analysis is required by the purchaser, the toler
Carbon steel pipe
STPL 39
ances for the values given in the
above table shall be
specified
ble 2 in JIS G032a for the seamless steel pipe
likewise in Table 1 for the electric resistance
Nickel steel pipe
STPL 46
STPL 7O
welded steel pipe, and in Table 3 for the pipe of STPL. 46 and
STPL 70.
免費标准下载?(www.,rebz.ne)无需注册,即可下载