2. Non destructive test
3. Bright Heat Treatment and Electro Galvanizing
4. Standard Packing
Standard: EN 10305-4 Galvanizing Seamless Steel PipesSize(mm): O. D.: 6-88 W. T.: 1-10 L: 6m fixed length
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Steel Grade |
Chemical Composition |
|||||
Symbol |
Material Number |
C |
Si |
Mn |
P |
S |
E235 |
1.0308 |
0.17 |
0.35 |
1.20 |
0.025 |
0.025 |
E255 |
1.0408 |
0.21 |
0.35 |
0.40-1.10 |
0.025 |
0.025 |
E355 |
1.0580 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
Steel Grade |
+C |
+LC |
+SR |
+A |
+N |
||||||||
Steel |
Steel |
Rm |
A |
Rm |
A |
Rm |
ReH |
A |
Rm |
A |
Rm |
ReH |
A |
E235 |
1.0308 |
480 |
6 |
420 |
10 |
420 |
350 |
16 |
315 |
25 |
340-480 |
235 |
25 |
E255 |
1.0408 |
580 |
5 |
520 |
8 |
520 |
375 |
12 |
390 |
21 |
440-570 |
255 |
21 |
E355 |
1.0580 |
640 |
4 |
580 |
7 |
580 |
450 |
10 |
450 |
22 |
490-630 |
355 |
22 |
Seamless Steel Pipe mills, volume should go through continuous annealing (CAPL unit) to eliminate cold hardening and rolling stress, or batch annealing reach the Electro Galvanizing EN 10305-4 E235 E255 E355 Precision Seamless Steel Pipes mechanical properties of the corresponding standard specifies. Seamless Steel Pipe surface quality, appearance, dimensional accuracy Electro Galvanizing EN 10305-4 E235 E255 E355 Precision Seamless Steel Pipes better than hot-rolled plate, and right-rolled thin product thickness is about 0.18mm, so the majority of users favor.
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Seamless Steel Pipe deep processing of high value-added products. Such as electro-galvanized, hot dip galvanized, electro-galvanized fingerprint resistant, painted steel roll damping composite steel, Electro Galvanizing EN 10305-4 E235 E255 E355 Precision Seamless Steel Pipes laminating steel plates, etc, so that the excellent quality of these products has a beautiful, high resistance to corrosion, has been widely used.