JIS G 3460 STPL 380 Carbon and Nickel steel pipe for low temperature service
Application :for low temperature service.
Shipment: FCL, LCL workable. Bulk Vessel workable By Air, By Sea, by Courier
Size range:OD:5-420mm WT:0.5-50mm Length Upon request
|
CHEMICAL COMPOSITION % max
|
|
Steel grade
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
|
STPL 380
|
0.25
|
0.35
|
1.35
|
0.035
|
0.035
|
|
|
STPL 450
|
0.18
|
0.10-0.35
|
0.30-0.60
|
0.030
|
0.030
|
3.20-3.80
|
|
STPL 690
|
0.13
|
0.10-0.35
|
0.9
|
0.030
|
0.030
|
8.50-9.50
|
Remarks:
When it is practically difficult to apply the test due to the dimension of a pipe,STPL 380 shall , by way of compensation,contain 0.01% or more of acid soluble aluminum, or alternative,0.015% or more of total aluminum.
|
MECHANICAL PROPERTIES min
|
|
Steel grade
|
Tensile strength Mpa
|
Yeild point or proof stress Mpa
|
Elongation %
|
|
STPL 380
|
380
|
205
|
35
|
|
STPL 450
|
450
|
245
|
30
|
|
STPL 690
|
690
|
520
|
21
|
Remarks:
1.The value of elongation given in above table shall not be apply to the pipe whose outside diameter is under 40mm,However, the value of elongation shall be recorded.
