











Les tuyaux en acier de construction sont divisés en tuyaux en acier de construction au carbone et en tuyaux en acier de construction à haute résistance faiblement alliés. généralement utilisés directement sans traitement thermique.Les tuyaux en acier de construction à haute résistance à faible alliage sont largement utilisés dans les navires, les ponts, les chaudières, les véhicules et les bâtiments importants en raison de leur haute résistance et de leurs propriétés mécaniques complètes.
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Specifications |
|
|
Out Diameter |
1-1/4"-16" |
|
Wall Thickness |
0.109"-0.562" |
|
Length |
3.0m-18m |
|
OD Tolerance |
+/- 0.5% |
|
WT Tolerance |
+/- 10.00% |
Spécifications et nuances des tuyaux et tubes en acier de construction standard:
GB / T 8162 Grades 10, 20, 35, 45, Q355A, Q355B, Q355C, Q355D, Q355E;
DIN 1629 Grades St37.0, St44.0, St55 St52, Ck45;
ASTM A53 / ASME SA53 Grades A et B;
ASTM A519 / ASME SA519 Grades 1020,1026,4130,4135;
ASTM A500 / ASME SA500 Grades A, B, C, D, E;
EN10210-1 Grade S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S355K2H;
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GB/T 8162 |
Standard Specification for pipelines, vessels and steel structures. |
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DIN 1629 |
Standard Specification used for circular unalloyed steel tubes subject to special requirements |
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ASTM A53 |
Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless. |
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ASTM A519 |
Standard Specification used for machine, automobile, and other mechanical accessory purposes. |
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ASTM A500 |
Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
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EN10210-1 |
Standard for hot finished structural hollow section of non-alloy and fine grain steels |
|
Standard |
Grade |
Chemical composition(%) |
|
|
|
||||
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
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GB/T 8162 |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
≤0.025 |
≤0.020 |
≤0.15 |
≤0.30 |
≤0.25 |
|
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.30 |
≤0.25 |
|
|
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.30 |
≤0.25 |
|
|
Q355B |
≤0.20 |
≤0.55 |
1.00-1.60 |
≤0.025 |
≤0.020 |
≤0.30 |
≤0.30 |
≤0.30 |
|
|
Q355D |
≤0.18 |
≤0.55 |
1.00-1.60 |
≤0.025 |
≤0.020 |
≤0.30 |
≤0.30 |
≤0.30 |
|
|
DN1629 |
St37.0 |
≤0.17 |
0.17-0.37 |
0.35-0.65 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
|
St44.0 |
≤0.21 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
|
|
St55 |
0.33-0.41 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
|
|
St52.0 |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
|
|
CK45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
|
|
ASTM A53 |
A |
≤0.25 |
- |
≤0.95 |
≤0.05 |
≤0.045 |
≤0.40 |
≤0.40 |
≤0.40 |
|
B |
≤0.30 |
- |
≤1.2 |
≤0.05 |
≤0.045 |
≤0.40 |
≤0.40 |
≤0.40 |
|
|
ASTM A519 |
MT1020 |
0.15-0.25 |
- |
0.30-0.60 |
≤0.040 |
≤0.050 |
- |
- |
- |
|
1010 |
0.08-0.13 |
- |
0.30-0.60 |
≤0.040 |
≤0.050 |
- |
- |
- |
|
|
1020 |
0.18-0.23 |
- |
0.30-0.60 |
≤0.040 |
≤0.050 |
- |
- |
- |
|
|
1045 |
0.43-0.50 |
- |
0.60-0.90 |
≤0.040 |
≤0.050 |
- |
- |
- |
|
|
4130 |
0.28-0.33 |
0.15-0.35 |
0.40-0.60 |
≤0.040 |
≤0.040 |
0.80-1.10 |
- |
- |
|
|
ASTM A500 |
A |
≤0.25 |
≥0.10 |
0.27-0.93 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.40 |
≤0.40 |
|
B |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.40 |
≤0.40 |
|
|
C |
≤0.35 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.40 |
≤0.40 |
|
|
EN10210-1 |
S235JRH |
≤0.17 |
- |
≤1.40 |
≤0.040 |
≤0.040 |
- |
- |
- |
|
S275JOH |
≤0.20 |
- |
≤1.50 |
≤0.035 |
≤0.035 |
- |
- |
- |
|
|
S275J2H |
≤0.20 |
- |
≤1.50 |
≤0.030 |
≤0.030 |
- |
- |
- |
|
|
S355JOH |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.035 |
≤0.035 |
- |
- |
- |
|
|
S355J2H |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.030 |
≤0.030 |
- |
- |
- |
|
|
S355K2H |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.030 |
≤0.030 |
- |
- |
- |
|
|
Standard |
Grade |
Mechanical properties |
||
|
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
||
|
GB/T 8162 |
10 |
≥335 |
≥195 |
≥24 |
|
20 |
≥410 |
≥235 |
≥20 |
|
|
45 |
≥590 |
≥325 |
≥14 |
|
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Q355B |
470-630 |
≥325 |
≥20 |
|
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Q355D |
470-630 |
≥325 |
≥21 |
|
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DN1629 |
St37.0 |
350-480 |
≥235 |
≥25 |
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St44.0 |
420-550 |
≥275 |
≥21 |
|
|
St55 |
540-645 |
≥295 |
≥17 |
|
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St52.0 |
500-650 |
≥355 |
≥21 |
|
|
CK45 |
590-730 |
≥335 |
≥14 |
|
|
ASTM A53 |
A |
≥330 |
≥205 |
- |
|
B |
≥415 |
≥240 |
- |
|
|
ASTM A500 |
A |
≥450 |
≥330 |
- |
|
B |
≥580 |
≥420 |
- |
|
|
C |
≥620 |
≥460 |
- |
|
|
EN10210-1 |
S235JRH |
360-510 |
≥235 |
≥26 |
|
S275JOH |
410-560 |
≥275 |
≥23 |
|
|
S275J2H |
410-560 |
≥275 |
≥23 |
|
|
S355JOH |
510-680 |
≥355 |
≥22 |
|
|
S355J2H |
510-680 |
≥355 |
≥22 |
|
|
S355K2H |
510-680 |
≥355 |
≥22 |
|