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  • EN10297-1 Seamless Steel Pipes
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  • EN10297-1 Seamless Steel Pipe
     
     
    EN10297-1 European Standard (Seamless Round Steel Pipe for Mechanical and General Engineering Use)
     
     
    Standard:
    EN10297-1



    Grade & Material
    E236, E275, E315, E355a, E470, C22E, C35E, C45E, C60E, 38Mn6, etc.

     

    Application of EN10297-1 Seamless Steel Pipe
    EN10297-1 Seamless round steel pipes for mechanical and general engineering purposes
     
     
     
     
    EN10297-1 non-alloy seamless steel pipe
     
    Chemical composition:


    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
     
    a: The manufacturer can add niobium, vanadium and titanium as needed, but the content of these elements should be indicated.
    b: Cr: max.0.40%; Mo: max.0.10%; Ni: max.0.40%; Cr + Mo + Ni max.0.63%
     
     
    Mechanical behavior:
     

    Steel Grade Minimum Mechanical Properties
    Yield Strength(ReH)Mpaa Tensile Strength(Rm)Mpa Elongation A%
    For WT in mm For WT 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 WT in mm For WT 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
     
     
     
     
    EN10297-1 Alloy Seamless Steel Pipe
     
    Chemical composition:


    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 - - - - -
     
     
     
    Mechanical behavior
     

    Steel Grade Minimum Mechanical Properties Impact properties
    Yield Strength(ReH)Mpaa Tensile Strength(Rm)Mpa Elongation A% Minimum average absorbed engery,KV min.Jata test temperature of -20℃
    For WT in mm For WT in mm
    ≤16 >16
    ≤40
    >40
    ≤65
    >65
    ≤80
    >80
    ≤100
    ≤16 >16
    ≤40
    >40
    ≤65
    >65 ≤100 l t l t
    E275K2 275 265 255 245 235 410 410 410 380 22 20 40 27
    E355K2 355 345 335 315 295 490 490 470 470 20 18 40 27
    E420K2 420 400 390 370 360 600 560 530 500 19 17 27 20
    E460K2 460 440 430 410 390 550 550 550 520 19 17 40 27
    E590K2 590 540 480 455 420 700 650 570 520 16 14 40 27
    E275K2 730 670 620 580 540 790 750 700 680 15 13 40 27
     
     
    Steel Grade Yield Strength(ReH)Mpaa Tensile Strength(Rm)Mpa Elongation A%
    For WT in mm For WT in mm
    ≤8 >8
    ≤20
    >20
    ≤50
    >50
    ≤80
    ≤8 >8
    ≤20
    >20
    ≤50
    >50
    ≤80
    ≤8 >8
    ≤20
    >20
    ≤50
    >50
    ≤80
    l t l t l t l t
    41Cr4 800 660 560 - 1000 900 800 - 11 9 12 10 15 13 16 14
    25CrMo4 700 600 450 400 900 800 700 650 12 10 14 12 15 13 16 14
    30CrMo4 750 630 520 480 950 850 750 700 12 10 13 11 14 12 15 13
    34CrMo4 800 650 550 500 1000 900 800 750 11 9 12 10 14 12 15 13
    42CrMo4 900 750 650 550 1100 1000 900 800 10 8 11 9 12 10 13 11
    36CrNiMo4 900 800 700 600 1100 1000 900 800 10 8 11 9 12 10 13 11
    30CrNiMo4 1050 1050 900 800 1250 1250 1100 1000 9 7 9 7 10 8 11 9
    41NiCrMo7-3-2  950  870  800  750  1150  1050  1000  900  9  7  10  8  11  9  12  10
     
     
     
     
    Remarks 


    HR:hot rolled CW:cold worked  SR:stress relieved 
    A:annealed  N:normalized  HF
     
     
     
    We are a professional EN10297-1 seamless steel pipe manufacturer in China, mainly producing and selling various seamless steel pipes. We not only provide you with seamless steel pipes of good quality and reasonable price, but also good after-sales service. You are welcome to contact us
     

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