|
International Grade |
National |
Standard.No |
Designation |
σs,Mpa |
Chemical Composition |
|
Q195
|
CHIAN |
GB/T700
1988 |
Q195 |
195 |
C0.06～0.12,Si≤0.30,Mn0.25～0.50,P≤0.045,S≤0.050,Cr≤0.30,Ni≤0.30,Cu≤0.30 |
|
U.S.A |
ASTM A283M
1993a |
Gr.B |
185 |
C≤0.17,Si≤0.40,Mn≤0.90,P≤0.035,
S≤0.040,Cu≤0.20 |
Gr.c |
205 |
C≤0.24,Si≤0.40,Mn≤0.90,P≤0.035,
S≤0.040,Cu≤0.20 |
|
JAPAN
|
JIS G3131
1996
|
SS330
(SS34) |
205 |
P≤0.050,S≤0.050 |
SPHC |
270(σb) |
C≤0.15,Mn≤0.60,P≤0.050,S≤0.050 |
|
SPHD
|
270(σb)
|
C≤0.10,Mn≤0.50,P≤0.040,S≤0.040 |
Based on the agreements with our customers,the mechanical and processing properties are as follows:
Grade |
Mechanical Proerties |
180°
Bending Test
d= diameters
a=diameters |
(σb),Mpa |
% S10,Mpa |
≤ |
not < |
Q195L |
390 |
30 |
d=0 |
Q195LY |
390 |
30 |
d=0 |
|
