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XG10B37

1 source records. Standards, editions and conditions are presented separately; matching grade names do not establish interchangeability.

Refer to each source for mass fractions and analysis type. Missing values are not treated as 0. Manufacturer typical values, standard guarantees and measured heat results must remain separate. Use the material selector for calculations and condition selection.

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XG10B37 · Q/XG 232-2021

Chemical composition source verified; this does not verify every standard clause, actual supply or measured heat results

Material category
Boron steels
Material form
Wire rod
Original record status
Original standard verified
Standard edition
Q/XG 232-2021
Table / clause
Table 1, row 13
PDF page references
3
Unit
Mass fraction (wt%)

Carbon-equivalent reference

IIW / CEV:0.4367–0.6333Known-element contribution; incomplete value; missing Mo, V CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15; an engineering estimate of welding cold-cracking susceptibility for carbon and low-alloy steels.
Pcm(Ito–Bessyo):0.3590–0.4867Known-element contribution; incomplete value; missing Mo, V Pcm = C + Si/30 + (Mn + Cu + Cr)/20 + Ni/60 + Mo/15 + V/10 + 5B; mainly used for low-carbon low-alloy steels, particularly modern low-carbon pipeline steels; more relevant when C is approximately no higher than 0.11%.
CET:0.3900–0.5100Known-element contribution; incomplete value; missing Mo CET = C + (Mn + Mo)/10 + (Cr + Cu)/20 + Ni/40; used in welding preheat assessment for ferritic steels, subject to the applicability conditions of EN 1011-2.

Composition

ElementComposition requirement
C0.32 ~ 0.38
Si≤ 0.4 (lower limit not stated)
Mn0.7 ~ 1.0
P≤ 0.03 (lower limit not stated)
S≤ 0.03 (lower limit not stated)
B0.0008 ~ 0.003
Ni≤ 0.2 (lower limit not stated)
Cu≤ 0.2 (lower limit not stated)
Cr≤ 0.3 (lower limit not stated)

Applicability and limitations

Mass fraction wt%; Q/XG 232-2021, Table 1, heat analysis; Local PDF, page 3. Table 1 merged cell: P≤0.030%, S≤0.030% and B 0.0008%–0.0030% apply to all 17 rows. Clause 4.1.2: residual Ni and Cu are each ≤0.20%, Cr≤0.30%. Check product-analysis tolerances under GB/T 222; Heat-analysis ranges are not directly treated as guaranteed product-analysis ranges. Clause 4.1.3: other compositions may be supplied by agreement between both parties and are not automatically included in Table 1. Xingtai Steel wire-rod enterprise-standard record; this does not establish Creation Group stock availability or a project-approved substitute. Clause 4.4.3: under high or relatively high cold-upsetting test requirements, specimens of C≥0.30% grades must first be spheroidize-annealed.

Combined limits

Combined-element limits
    Elements requiring measured values from the same heat

      Verification notes

      Original Q/XG 232-2021, Table 1 on page 3 was checked row by row; merged cells and residual elements under Clause 4.1.2 have been checked
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