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PRODUCT NAME : STAINLESS STEEL BAR , HEAT RESISTING STEEL BAR .( forged / rolled )
The most widely used stainless steel , heat resistant steel. Used in food production equipmens , common chemical equipments , nuclear energy etc.
Have good stain resistance ,heat resistance ,low temperature strength and mechanical properties .used for make plate heat exchanger,bellows ,household articles, building materials ,chemistry, food industry etc.
STANDARD:
GB/T1220-2007 GB/T1221-2007
GB/T20878-2007 ASTM A959-04 ISO4955:2005 ISO683-13 ISO683-16 EN10088:1-1995 EN10095-1999
GRADE COMPARISION:
GB |
ASTM |
BS |
JIS |
DIN |
0022Cr19Ni10 |
304L |
X2CrNi19-11 |
SUS304L |
1.4306 |
ULTRASONIC STANDARD:
GB/T6402-2008 / SEP921-84. ASTM A388
CHEMICAL COMPOSITION:
C≤ |
Si≤ |
Mn≤ |
P≤ |
S≤ |
Cr |
Ni |
0.030 |
1.00 |
2.00 |
0.045 |
0.030 |
18.00/20.00 |
8.00/12.00 |
HEAT TREATMENT SPECIFICATION AND MECHANICAL PROPERTIES:
It is a sort of unitversality stainless steel .
Yeild strength :(N/mm2)≥205
Tensile strength ≥520
Elongation (%)≥40
Hadness HB ≤187 HRB≤90 HV ≤200
Density 7.93 g/cm3
Specific heat: c(20℃)0.502 J·(g·C)-1
Heat conductivity:/W(m·℃)-1
20 100 500
12.1 16.3 21.4
Coefficient of linear expansionα/(10-6/℃)
20~100 20~200 20~300 20~400
16.0 16.8 17.5 18.1
Electrical resistivity0.73 Ω·mm2·m-1
Melting point :1398~1420℃
MANUFACTURING TECHNIQUE:
EAF+AOD+LF furnace+forged/ rolled
DELIVERY CONDITION :ANNEALED / SOLID SOLUTION
SURFACE : BLACK / GRINDING / PEELING
DIMENSION : mm
Forged round bar :dia 80-350mm
Rolled round bar :dia 8-200mm
Coild rod : dia 5.5-20mm
Wire : dia 0.2-13mm
Rolled flat bar :thickness 5-90× width 44-300mm
Forged flat bar:thickness 120-800×width 120-800
length : forged bar free length 3-5.8M,rolled bar 5.8M. for customers special requirment, the bar length can do 20 meters long.
Tolerance on diameter of forged bar : black surface -0/+5mm, peeled surface -0/+3mm.
REMARK:
Above listed parameters and sepcification only for reference . Specific parameters according to standard. Requirments beyond standard will be negotiate by both sides .
Delivery state:normalized ,annealed, spheroidal annealed, quenched & tempered ,bright bar, cold-drawn, etc. Should be indicated in contract .
Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.
Packing :
Forged bar , rolled bar and coil packing in loose . Rolled wire packing in plastic woven cloth or wooden case.
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