Raws li rau S275jr VS S355jR, yeej lawv tsis zoo ib yam. S275JR yog cov pa roj carbon hlau, thaum S355JR yog cov hlau tsis muaj roj. Ob yamCarbon Steel S275JRthiab S3555jr Tsawg Alloy Steel nyob hauv EN10025-2 txuj ci.
S3555jr Tsawg Alloy Steel yog qib dua qib dua tshiab dua li cov roj carbon steel s275jr.
Carbon Steel S275JR VSS355jr Tsawg Alloy SteelHauv kev siv tshuaj xyaw:
| Teem nqi | C (t tsawg dua los yog sib npaug rau 16 hli) | Si | Mn | P | S | CU | N |
| S275jr | 0.24 max | - | 1.60 Max | 0.045 Max | 0.045 Max | 0.60 Max | 0.014 max |
| S355jr | 0.27 Max | 0.6 | 1.70 max | 0.045 Max | 0.045 Max | 0.60 Max | 0.014 max |
Carbon Steel S275JR VS S355JR Tsawg Alloy Steel nyob rau hauv cov khoom siv tshuab:
| Teem nqi | Paib lub zog reh / (n / mm2) (t tsawg dua los yog sib npaug rau 16 hli) min | Tensile lub zog RM / (N / MM2) (3mm tsawg dua lossis sib npaug rau t tsawg dua lossis sib npaug rau 16 hli) | Elongation A /% (3mm tsawg dua lossis sib npaug rau t tsawg dua lossis sib npaug rau 40mm) min | Charpy V sim | |
| Kub / Qib | Kev Cuam Tshuam Lub Zog (Ntev) / j min | ||||
| S275jr | 275 | 410-560 | 23 | 20 | 27 |
| S355jr | 355 | 470-630 | 22 | 20 | 27 |
Gnee steel tau koom rau hauvCov ntaub ntawv hlaurau ntau tshaj 18 xyoo. Yog xav paub cov ntaub ntawv hais txog cov roj carbon steel s275jr thiab s355jr Tsawg Alloy Steel, xws li Carbon Hlau S275JR Tshuaj Lom Neeg,
S355jr Tsawg Alloy Steel Cov Khoom Siv Hlau, Ntaus Cov Hlau S275jr Thiab S255JR Tsawg Alloy Steel Nqe, Thov Xav Tau Koj Tus Kheej
