Tshuaj muaj pes tsawg leeg (feem pua): Carbon C: {{0}},80 ~ 0,90 (Admissible sib txawv: ±{{1{12} }}},01) Silicon Yog: 0,20 ~ {{20}},45 (Admissible deviation: ±0, {{30}}}5) Manganese Mn: 0.15 ~ 0.40 (Pom sib txawv: ntxiv rau 0.04) Sulfur S: Tsawg dua lossis sib npaug rau 0.030 Phosphorus P: Tsawg dua lossis sib npaug rau 0.030 Chromium Cr: 3.80 ~ 4.40 (Pom sib txawv: ± 0.05) Nickel Ni. Tso cai cov ntsiab lus seem tsawg dua los yog sib npaug ntawm 0.30 Cu: Tso cai cov ntsiab lus seem tsawg dua lossis sib npaug ntawm 0.25 V: 1.75 ~ 2.20 (Allowable deviation: ± 0.05) Molybdenum Mo: 4.50 ~ 5 .50 (Admissible deviation: loj dua 6, ± 0.05.)
Tamaño >6, ±0,10) Tungsten W : 5,50-6,75(Cia deviation: Qhov Loj Tsawg dua lossis sib npaug li 10, ± 0.10;
(Desviación admisible: tamaño ≤10,±0,10; tamaño >10, ± 0.20) Daim ntawv thov: Haum rau kev ua kom muaj zog thiab hnav-resistant txiav tuag, siab tshaj asarum tuag, ntsia hlau tuag, cov cuab yeej xav tau hardness thiab cov duab nyuaj, milling cutters, laum khoom, thiab lwm yam.
