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TstE420 irin awo
TstE420 irin awo
TstE420 irin awo
TstE420 irin awo

TstE420 irin awo

TstE420 irin awo, labẹ DIN 1614 / 2 boṣewa TstE420 irin awo, labẹ DIN 1614 /2 boṣewa, a le ka TstE420 irin awo bi Fine-ọkà igbekale steels, deede ti yiyi irin / ^ / ^ TStE420 irin awo jẹ ọkan. Ni akọkọ ti Awọn irin igbekalẹ Fine-ọkà, irin ti a ṣe deede, irin awo irin TstE420 wa labẹ DIN 1614 / 2 boṣewa deede si EN: S420NL, eyiti o pẹlu elongation ti o kere ju ti 19% ati agbara fifẹ ti TstE420 jẹ 520 si 680 MPa.
Kemikali tiwqn
Awọn eroja kemikali C max Si
o pọju
Mn max P
o pọju
S
o pọju.
O pọju Kr max O pọju V max Nb max Al min
%,nipa ọpọ 0.20 0.60 1.00-1.70 0.025 0.020 0.55 0.30 0.80 0.20 0.05 0.02
Awọn ohun-ini ẹrọ
sisanra Ikore Agbara ReH [N /mm2] transv.min. TensileStrengthRm [N /mm2] transv. Egugun Elongation [%] transv. min. Ogbontarigi Ipa Agbara1) Ch Vcomplete samplelongitud. min [J]
t≤ 16mm t>16mm 420 400 +20 KV 40J 0 KV 34J -10 KV 30J -20 KV 27J -30 KV 23J -40 KV 20J -50 KV 16J
t <3mm t≥ 3mm 520-680
Titi di 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm 19
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