Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

EN10297-1 Steel Pipes - EN10297 Carbon steel pipe and Alloy


EN10297-1 Steel Pipes
 
 

CARBON STEEL PIPES:


Steel Grade

C Si Mn P S
Other elements
Steel Name Steel No. min. max. mix. max. min. max. min. max.  
E236 1.0308 - 0.17 - 0.35 - 1.20 0.030 0.035  
E275 1.0225 - 0.21 - 0.35 - 1.40 0.030 0.035  
E315 1.0236 - 0.21 - 0.30 - 1.50 0.030 0.035  
E355a 1.0580 - 0.22 - 0.55 - 1.60 0.030 0.035  
E470 1.0536 0.16 0.22 0.10 0.50 1.30 170 1.030 0.035

AI:min.0.010;N:max.0.020;
Nb:max.0.07;  V:0.05-0.15

C22E 1.1151 0.17 0.24 - 0.40 0.40 0.70 0.035 0.035 b
C35E 1.1181 0.32 0.39 - 0.40 0.50 0.80 0.035 0.035 b
C45E 1.1191 0.42 0.50 - 0.40 0.50 0.80 0.035 0.035 b
C60E 1.1221 0.57 0.65 - 0.40 0.60 0.90 0.035 0.035 b
38Mn6 1.1127 0.34 0.42 0.15

0.35

1.40 1.65 0.035 0.035 b

:Cr:max.0.40%;Mo:max.0.10%;Ni:max.0.40%;Cr+Mo+Ni max.0.63%

'

Steel Grade Minimum Mechanical Properties
Yield Strength(ReH)Mpaa Tensile Strength(Rm)Mpa  Elongation A%
 For T in mm  For T in mm | |
≤16 >16
≤40
>40
≤65
>65
≤80
>80
≤100
≤16 >16
≤40
>40
≤65
>80
≤100
E235 235 225 215 205 195 360 360 360 340 25 23
E275 275 265 255 245 235 410 410 410 380 22 20
E315 315 305 295 280 270 450 450 450 420 21 19
E355 355 345 335 315 295 490 490 490 470 20 18
E470 470 430 - - - 650 600 - - 17 15

 

Steel Grade  Yield Strength(ReH)Mpaa  Tensile Strength(Rm)Mpa  Elongation A%
 For T in mm  For T in mm ≤16  >16≤40 >40≤80 
≤16 >16
≤40
>40
≤80
≤16 >16
≤40
>40
≤40
l t l t l t
C22E 240 210 210 430 410 410 24 22 25 23 25 23
C35E 300 270 270 550 520 520 18 16 19 17 19 17
C45E 340 305 305 620 580 580 14 12 16 14 16 14
C60E 190 350 340 710 670 370 10 8 11 9 11 9
38Mn6 400 380 360 670 620 570 14 12 15 13 16 14

 

ALLOY STEEL PIPE:

 


Steel Grade
C Si Mn P S Cr Mo Ni Ala Cu N Nb Ti V
min. max. min. max. min. max. max. max. max. min. max. min. max. min. max. max. max. max. min. max.
E275K2 - 0.20 - 0.40 0.50 1.40 0.030 0.030 0.30 - 0.10 - 0.30 0.020 0.35 0.015 0.05 0.03 - 0.05
E355K2 - 0.20 - 0.50 090 1.65 0.030 0.030 0.30 - 0.10 - 0.50 0.020 0.35 0.015 0.05 0.05 - 0.15
E420K2 0.16 0.22 0.10 0.50 1.30 1.70 0.030 0.035 0.30 - 0.08 - 0.40 0.010 0.30 0.020 0.07b 0.05 0.08 0.15b
E460K2 - 0.20 - 0.60 1.00 1.70 0.030 0.030 0.30 - 010 - 0.80 0.020 0.70 0.025 0.05b 0.05 - 0.20b
E590K2 0.16 0.22 0.10 0.50 1.30 1.70 0.030 0.035 0.30 - 0.08 - 0.40 0.010 0.30 0.020 0.07b 0.05 0.08 0.15b
E730K2 - 0.20 - 0.50 1.40 1.70 0.025 0.025 0.30 0.30 0.45 0.30 0.70 0.020 0.20 0.020 0.02 0.05 - 0.12

Steel Grade
C Si Mn P S Cr Mo Ni Cu          
min. max. min. max. min. max. max. max. min. max. min. max. min. max. max.          
41Cr4 0.38 0.45 - 0.40 0.60 0.90 0.035 0.035 0.90 1.20 - - - - - - - - - -
25CrMo4 0.22 0.29 - 0.40 0.60 0.90 0.035 0.035 0.90 1.20 0.15 0.30 - - - - - - - -
30CrMo4 0.27 0.34 - 0.35 0.35 0.60 0.035 0.035 0.80 1.15 0.15 0.30 - - - - - - - -
34CrMo4 0.30 0.37 - 0.40 0.60 0.90 0.035 0.035 0.90 1.20 0.15 0.30 - - - - - - - -
42CrMo4 0.38 0.45 - 0.40 0.60 0.90 0.035 0.035 0.90 1.20 0.15 0.30 - - - - - - - -
36CrNiMo4 0.32 0.40 - 0.40 0.50 0.80 0.035 0.035 0.90 1.20 0.15 0.30 0.90 1.20 - - - - - -
30CrNiMo4 0.26 0.34 - 0.40 0.30 0.30 0.035 0.035 1.8 2.20 0.30 0.50 1.80 2.20 - - - - - -
41NiCrMo7-3-2 0.38 0.44 - 0.30 0.60 0.90 0.025 0.025 0.70 0.90 0.15 0.30 1.65 2.00 0.25 - - - - -

 

上一篇:EN 10255 BS 1387 galvanized Seamless pipe

下一篇:EN 10305-4:2003 Seamless pipe & Manufacturing process