ML08AL

7 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.

Open condition selection, comparison and carbon-equivalent tools for ML08AL →

ML08Al · GB/T 5953

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

Material form: Wire rod
Original record status: Reference transcription of standard
Standard edition: GB/T 6478-2015
Table / clause: Table 1

Carbon-equivalent reference

IIW / CEV：0.1000–0.2667Known-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）：0.0650–0.1567Known-element contribution; incomplete value; missing Mo, V, B 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：0.0800–0.1850Known-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

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Al(total)	≥ 0.02 (upper limit not stated)

Applicability and limitations

Clause 6.1.1 of GB/T5953.1/.2:2009 follows the relevant standards identified in the contract; This is reference composition for the same designation under GB/T6478; the applicable standard must be confirmed by contract, and these values are not directly treated as mandatory composition under 5953. No edition is stated on the website; Displayed under this source edition; contract applicability is not established

Verification notes

Standard source: GB/T 6478-2015 · Table 1View associated products →

ML08Al · GB/T 28906-2025

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

Material category: Carbon steel
Subcategory: Non-heat-treated cold-heading steel
Material form: Reference record
Original record status: Original standard verified
Standard edition: GB/T 28906-2025
Table / clause: Table 1 · Footnotes; 7.1.5–7.1.7
PDF page references: 7、8、11

Carbon-equivalent reference

Estimates are presented separately for each applicable composition condition. Match the actual ordering conditions; ranges must not be combined.

Determine total aluminum Alt: 0.020–0.060%.

Determine acid-soluble aluminum Als: 0.015–0.055%.

Composition record (conditional branches apply; this is not an unconditional requirement)

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	0.02 ～ 0.06
P	≤ 0.025 (lower limit not stated)
S	≤ 0.02 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Sn	≤ 0.06 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Applicability and limitations

Mass percent, heat analysis, GB/T28906-2025 Table 1. ; 7.1.5 residual Cr/Ni/Cu are each ≤0.20% and Sn≤0.06%; tabulated alloy Cr is not subject to the residual maximum; 7.1.7 product-analysis tolerances follow GB/T222 and must not be directly treated as heat-analysis limits. ; The standard scope for hot-rolled cold-heading wire rod does not replace confirmation of actual supply dimensions and the component manufacturing process; Mechanical properties require separate verification. ; When measuring acid-soluble aluminum, Als0.015–0.055% is used and is retained separately from total aluminum Alt0.020–0.060%; The Al element field must be interpreted with the selected measurement condition.

Original condition-branch records

Determine total aluminum Alt: 0.020–0.060%.

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	0.02 ～ 0.06
P	≤ 0.025 (lower limit not stated)
S	≤ 0.02 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Sn	≤ 0.06 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Determine acid-soluble aluminum Als: 0.015–0.055%.

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	0.015 ～ 0.055
P	≤ 0.025 (lower limit not stated)
S	≤ 0.02 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Sn	≤ 0.06 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

A condition branch must be selected

Yes

Verification notes

Visual check of the original composition table and footnotes

ML08Al · GB/T 28906-2012

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

Subcategory: Non-heat-treated cold-heading steel
Material form: Reference record
Original record status: Original standard verified
Standard edition: GB/T 28906-2012
Table / clause: Table 1; 6.1.3/6.1.5–6.1.7
PDF page references: 5、7

Carbon-equivalent reference

Composition

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.02 (upper limit not stated)
P	≤ 0.03 (lower limit not stated)
S	≤ 0.03 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Applicability and limitations

GB/T28906-2012, Table 1, heat analysis, mass percent. ; Alt in the table is total aluminum, with requirement ≥0.020% but no maximum; the 2025 maximum or acid-soluble-aluminum replacement conditions are not applied. ; 6.1.5 residual Cr/Ni/Cu are each ≤0.20%; Where Cr is a tabulated alloy range, the residual Cr maximum does not apply; Where Sn is unspecified in the original text, the Sn maximum from a newer edition is not inserted. ; 6.1.7 composition tolerances follow GB/T222; Heat-analysis limits are not treated as product-analysis tolerances. ; The standard scope covers hot-rolled cold-heading wire rod; supply conditions and the actual component process still require confirmation.

Verification notes

All original table entries and related notes visually verified

ML08Al · GB/T 6478-2015

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

Subcategory: Non-heat-treated cold-heading steel
Material form: Reference record
Original record status: Original standard verified
Standard edition: GB/T 6478-2015
Table / clause: Table 1 · Footnotes; 6.1.5–6.1.7
PDF page references: 8、10

Carbon-equivalent reference

Estimates are presented separately for each applicable composition condition. Match the actual ordering conditions; ranges must not be combined.

Measured total aluminium (Alt) ≥ 0.020%

Measured acid-soluble aluminium (Als) ≥ 0.015%

Composition record (conditional branches apply; this is not an unconditional requirement)

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.02 (upper limit not stated)
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Applicability and limitations

GB/T6478-2015, Table 1, heat-analysis mass percentages. ; 6.1.5 residual Cr/Ni/Cu are each ≤.20%; tabulated alloy Cr is not subject to the residual Cr maximum. ; 6.1.7 product-analysis tolerances follow GB/T222 and do not widen the default heat-analysis range; Where Sn is unspecified, limits from a newer edition are not inserted. ; Specific dimensions, product condition and mechanical-property conditions require separate verification; composition alone does not establish suitability for forming a component. ; Alt is total aluminum ≥.020%; when measuring acid-soluble aluminum, Als≥.015% applies; no maximum is specified; The Al field must be interpreted according to the selected measurement basis.

Original condition-branch records

Measured total aluminium (Alt) ≥ 0.020%

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.02 (upper limit not stated)
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Measured acid-soluble aluminium (Als) ≥ 0.015%

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.015 (upper limit not stated)
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

A condition branch must be selected

Yes

Verification notes

Visual check of all relevant ranges and footnotes in original Tables 1, 2, 4 and 5

ML08Al · GB/T 6478-2001

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

Material form: Reference record
Original record status: Original standard verified
Standard edition: GB/T 6478-2001
Table / clause: Table 1 / 6.1.4–6.1.8
PDF page references: 5、6

Carbon-equivalent reference

Estimates are presented separately for each applicable composition condition. Match the actual ordering conditions; ranges must not be combined.

Table 1 default Si≤0.10%

Basic electric furnace steelmaking, Si≤0.17%

Pcm（Ito–Bessyo）：0.0650–0.1590Known-element contribution; incomplete value; missing Mo, V, B 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%.

Composition record (conditional branches apply; this is not an unconditional requirement)

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.02 (upper limit not stated)
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Applicability and limitations

GB/T6478-2001, Table 1, heat analysis wt%; 6.1.4 residual Cr/Ni/Cu are each ≤.20%; alloy Cr ranges are not subject to the residual maximum. ; 6.1.8 product-analysis tolerances require separate verification under GB/T222-1984, Table 2, and do not widen the default heat-analysis range. ; Actual 2001 edition; Composition from editions 2015 or 2025 is not substituted for this edition; specific dimensions and delivery mechanical properties require separate verification. ; 6.1.5, Table 1: Si≤.17% for aluminum-killed steel made in a basic electric furnace.

Original condition-branch records

Table 1 default Si≤0.10%

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.02 (upper limit not stated)
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

Basic electric furnace steelmaking, Si≤0.17%

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.17 (lower limit not stated)
Mn	0.3 ～ 0.6
Al	≥ 0.02 (upper limit not stated)
P	≤ 0.035 (lower limit not stated)
S	≤ 0.035 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Cr	≤ 0.2 (lower limit not stated)

A condition branch must be selected

Yes

Verification notes

Visual check of four composition tables and clauses on pages 5 and 6 of the original PDF

ML08Al · Q/ZNGF 01.7—2023

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

Material category: Cold-heading steel
Subcategory: Cold-heading steel
Material form: Wire rod
Original record status: Manufacturer source verified
Document edition: 2023 Edition; Published 2023-09-21, implemented 2023-10-01; Supersedes Q/SG18—2022
Document title: Steel wire rod for cold heading and cold extrusion
Table / clause: Table 1
PDF page references: 4
Unit: Mass fraction (wt%)
Manufacturer: Guangdong Zhongnan Iron & Steel Co., Ltd.

Carbon-equivalent reference

Estimate from manufacturer-published ranges, not a standard guarantee or measured heat result; formula applicability requires review against the application and process.

Composition

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
P	≤ 0.025 (lower limit not stated)
S	≤ 0.025 (lower limit not stated)
Al	≥ 0.02 (upper limit not stated)
Cr	≤ 0.2 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)

Applicability and limitations

Zhongnan Steel Q/ZNGF 01.7—2023, Table 1, row 5 (PDF page 4), cast analysis wt%; footnotes, delivery process and orders must be confirmed against the corresponding edition. This does not constitute a supply commitment by Creation Group.

Composition conditions

Table 1 heat analysis, mass fractions wt%; A dash means no limit is listed, not zero.
Clause 6.1.4 residual impurities Cr, Ni and Cu are each ≤0.20%; Where Cr is intentionally added, the corresponding row limits apply instead of residual maxima.
Wire rod is delivered in the hot-rolled condition; The ordinary cold-upsetting level is 1/2; high and relatively high levels must be specified in the contract.

Verification notes

2023 edition: all 69 rows of Table 1 and notes a/b/c checked line by line; process suffixes -1/-2/-3 distinguished from footnote letters.

ML08AL · BEXG 021-2020

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

Material category: Cold-heading steel
Subcategory: Cold-heading steel
Material form: Wire rod
Original record status: Manufacturer source verified
Document edition: BEXG 021-2020, sixteenth revision stated on the cover; issued and effective on 2020-12-29; The latest original document available on this computer only
Document title: Technical delivery conditions for cold-heading steel wire rod for automotive parts
Table / clause: Table 1
PDF page references: 7
Unit: Mass fraction (wt%)
Manufacturer: Baoshan Iron & Steel Co., Ltd. (Baosteel)

Carbon-equivalent reference

Estimate from manufacturer-published ranges, not a standard guarantee or measured heat result; formula applicability requires review against the application and process.

IIW / CEV：0.1000–0.2787Known-element contribution; incomplete value; missing 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）：0.0650–0.1607Known-element contribution; incomplete value; missing V, B 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：0.0800–0.1910 Envelope of independent element limits from manufacturer data; neither standard guarantee values nor measured heat results 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

Element	Composition requirement
C	0.05 ～ 0.1
Si	≤ 0.1 (lower limit not stated)
Mn	0.3 ～ 0.6
P	≤ 0.03 (lower limit not stated)
S	≤ 0.03 (lower limit not stated)
Al	≥ 0.02 (upper limit not stated)
Cr	≤ 0.2 (lower limit not stated)
Ni	≤ 0.2 (lower limit not stated)
Cu	≤ 0.2 (lower limit not stated)
Mo	≤ 0.06 (lower limit not stated)

Applicability and limitations

Baosteel BEXG 021-2020, Table 1, row 63, PDF page 7; heat-analysis composition in wt%, hot-rolled wire rod. 2020 is the original edition available locally, with no claim that it is the company’s current latest edition. Special conditions and actual supply require separate confirmation.

Composition conditions

Table 1 and its continuation give heat composition, in mass fractions wt%; The product is hot-rolled wire rod for automotive parts.
Unless expressly stated otherwise, residual Cr≤0.20%, Ni≤0.20%, Cu≤0.20% and Mo≤0.06% apply; Specific requirements in the table and additional notes take precedence.
A dash does not mean zero; Composition outside the table is not inferred from grade names or referenced standards.

Verification notes

Table 1 original images checked page by page, physical pages 3–10; continuation values and other columns kept separate; two disputed rows excluded.

Source footnotes

Al:≥0.020