EN10297-1 Seamless Steel Tubes

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EN10297-1 Seamless Steel Tubes

표준: EN10297-1
Seamless circular steel tubes for mechanical and general engineering purposes—technical delivery conditions. Non-alloy and alloy steel tubes.
● Application: for seamless circular tubes made of non-alloy and alloy steels for mechanical and general engineering purposes.
● Size range: O.D.: 6-168mm W.T.: 1-30mm L.: 12000mm max.

Table 1: Steel grade and chemical composition:

강철 급료 C Si 미네소타 P S
Name Number 최대 최대 최대 최대 최대
235회 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
E355b 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 1.70 0.030 0.035

Table 2: Steel grade and mechanical property:

강철 급료 Delivery condition Minimum tensile property
Name Number 항복 강도 (ReH) Mpa b 인장 강도(마이크로미터) 음파 Elongation A
For T in mm For T in mm %
≤16 >16 >40 >65 >80 ≤16 >16 >40 >65 L T
≤40 ≤65 ≤80 ≤100 ≤40 ≤65 ≤100
235회 1.0308 +AR or +N 235 225 215 205 195 360 360 360 340 25 23
E275 1.0225 +AR or +N 275 265 255 245 235 410 410 410 380 22 20
E315 1.0236 +AR or +N 315 305 295 280 270 450 450 450 420 21 19
E355b 1.0580 +AR or +N 355 345 335 315 295 490 490 490 470 20 18
E470 1.0536 +AR 470 430 650 600 17 15

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