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X2CRNI 18-9

2 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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X2CrNi 18-9 · DIN EN 10269-2014

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

Material form
Reference record
Original record status
Composition basis in the adopted standard verified
Standard edition
EN 10269-2013
Table / clause
Table 1 and notes a–c

Carbon-equivalent reference

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

Default sulfur content in Table 1
IIW / CEV: not directly applicable to this material category
Pcm (Ito–Bessyo): not directly applicable to this material category
CET: not directly applicable to this material category
S 0.015–0.030% agreed at enquiry or ordering to improve machinability
IIW / CEV: not directly applicable to this material category
Pcm (Ito–Bessyo): not directly applicable to this material category
CET: not directly applicable to this material category
Weldability condition S 0.008–0.030% agreed at enquiry or ordering
IIW / CEV: not directly applicable to this material category
Pcm (Ito–Bessyo): not directly applicable to this material category
CET: not directly applicable to this material category

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

ElementComposition requirement
C≤ 0.03 (lower limit not stated)
Si≤ 1.0 (lower limit not stated)
Mn≤ 2.0 (lower limit not stated)
P≤ 0.045 (lower limit not stated)
S≤ 0.015 (lower limit not stated)
Cr17.5 ~ 19.5
Ni8.0 ~ 10.0
N≤ 0.1 (lower limit not stated)

Applicability and limitations

DIN EN 10269:2014-02 adopts EN 10269:2013; Composition in this record follows EN 10269:2013, Table 1 and footnotes; the actual text read is the official BS adoption. Heat-analysis mass fractions wt%; Product-analysis tolerances require separate verification under Table 2. ; The agreed sulfur condition in Table 1, note b applies only to grades marked b; default, machining and welding ranges are retained separately. ; This standard covers steels and nickel alloys for high- and low-temperature fasteners; cold-heading suitability is not established for every grade or delivery condition. ; Unlisted elements must not be intentionally added without purchaser consent, except additions needed to finish steelmaking; Unspecified values are not treated as zero.

Original condition-branch records

Default sulfur content in Table 1

ElementComposition requirement
C≤ 0.03 (lower limit not stated)
Si≤ 1.0 (lower limit not stated)
Mn≤ 2.0 (lower limit not stated)
P≤ 0.045 (lower limit not stated)
S≤ 0.015 (lower limit not stated)
Cr17.5 ~ 19.5
Ni8.0 ~ 10.0
N≤ 0.1 (lower limit not stated)

S 0.015–0.030% agreed at enquiry or ordering to improve machinability

ElementComposition requirement
C≤ 0.03 (lower limit not stated)
Si≤ 1.0 (lower limit not stated)
Mn≤ 2.0 (lower limit not stated)
P≤ 0.045 (lower limit not stated)
S0.015 ~ 0.03
Cr17.5 ~ 19.5
Ni8.0 ~ 10.0
N≤ 0.1 (lower limit not stated)

Weldability condition S 0.008–0.030% agreed at enquiry or ordering

ElementComposition requirement
C≤ 0.03 (lower limit not stated)
Si≤ 1.0 (lower limit not stated)
Mn≤ 2.0 (lower limit not stated)
P≤ 0.045 (lower limit not stated)
S0.008 ~ 0.03
Cr17.5 ~ 19.5
Ni8.0 ~ 10.0
N≤ 0.1 (lower limit not stated)

A condition branch must be selected

Yes

Verification notes

The adoption relationship and original composition in the corresponding EN, Table 1 have been checked; The complete main text of DIN has not been checked page by page

X2CrNi 18-9 · DIN 17440-1972

Original-source verification is incomplete; this is not a formal standard reference

Material category
Stainless steel
Subcategory
Austenitic stainless steel
Material form
Reference record
Verification status
Reference data; original source not verified

Carbon-equivalent reference

IIW / CEV: not directly applicable to this material category
Pcm (Ito–Bessyo): not directly applicable to this material category
CET: not directly applicable to this material category

Composition

ElementComposition requirement
C≤ 0.03 (lower limit not stated)
Cr17 ~ 20
Mn≤ 2 (lower limit not stated)
Ni10 ~ 12.5
P≤ 0.045 (lower limit not stated)
S≤ 0.03 (lower limit not stated)
Si≤ 1 (lower limit not stated)

Applicability and limitations

A match in the materials database does not establish suitability for cold heading or guarantee finished-product strength. Confirmation must consider wire condition, deformation, heat treatment and tests on actual parts.

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