seamless structrue pipe

seamless structrue pipe
1 Specification:ASTM,DIN,EN,JIS,BS,API,GB
2 Technique:Seamless
3 Minimum quantity:5 tons
seamless structrue pipe
Mechanical properties:
Grade
Quality level
Tensile properties
impact test
Tensile
Strength
R
m
/MP
a
Yield strength
a
R
eL
/MP
a
Elongation
A/%
tempteture/
Absorption
KV
2
/J
W.T./mm
≤16
16~30
30
≥
≥
10

335~475
205
195
185
24


20

410~530
245
235
225
20


Q295
A
390~570
295
275
255
22


B
+20
34
Q345
A
470~630
345
325
295
20



B
+2
34
C
21
0
D
-20
E
-40
27
Q390
A
490~650
390
370
350
18


B
+20
34
C
19
0
D
-20
E
-40
27
Q420
A
520~680
420
400
380
18


B
+20
34
C
19
0
D
-20
E
-40
27
Q460
C
550~720
460
440
420
17
0
34
D





-20
E





-40
27