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Grade X17CrNi16-2
European Standard Steel Grade 1.4057
Corresponding Standard EN 10272-2016
Stainless steel bars for pressure purposes
Classification Martensitic Stainless Steel
X17CrNi16-2 Chemical Element Composition Content (%)
Component C ② Si Mn P S ① Cr Ni
Minimum Value 0.12 - - - - 15 1.5
Maximum Value 0.22 1 1.5 0.04 0.015 17 2.5
① Particular ranges of sulfur content may provide improvement of particular properties. For machinability, a controlled sulfur content of 0,015 % to 0,030 % is recommended and may be agreed. For weldability, a controlled sulfur content of 0,008 % to 0,030 % is recommended and may be agreed.
② Tighter carbon ranges may be agreed at the time of enquiry and order.
X17CrNi16-2 Mechanical Properties
Diameter or thickness
d or b
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
≤60 +QT 800 800~1050 ≥600 ≥14 l: ≥27 (at 20℃)
60<d (b)≤160 +QT 800 800~1050 ≥600 ≥14 l: ≥27 (at 20℃)
≤60 +QT 900 900~1050 ≥700 ≥14 l: ≥27 (at 20℃)
60<d (b)≤160 +QT 900 900~1050 ≥700 ≥14 l: ≥27 (at 20℃)
a) Axial： l；Tangential：tr.
b) +QT = quenched and tempered .
1 Approximate Comparison Table Martensitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
14Cr17Ni2
(1Cr17Ni2)
17Cr16Ni2 		S43110
/
S43120 		431 SUS 431 STS 431 431 S43100 X17CrNi 16-2 4057-431-00-X X20CrNi 17-2
(X22CrNi 17) 		1.4057 Z15CN 16-02 X17CrNi 16-2 1.4057 14Х17Н2 2321 431S29
2 Approximate Comparison Table Martensitic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
14Cr17Ni2
(1Cr17Ni2) 		S43110 431 SUS 431 STS 431 431 S43100 X20CrNi 17-2
(X 22CrNi 17) 		1.4057 Z15CN 16-02 X17CrNi 16-2 1.4057 14Х17Н2 2321 431S29
3 Approximate Comparison Table Martensitic Heat-Resistant Steel
China United States Germany European Standard Russia
GB ASTM DIN EN/DIN EN Numerical Grade GOST
1Cr17Ni2
ML1Cr17Ni2 		431 X17CrNi16-2 X17CrNi16-2 1.4057 14KH17N2
20KH17N2
X17CrNi16-2 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X17CrNi 16-2 1.4057
2 EN 10250-4-1999
X17CrNi 16-2 1.4057
3 ISO TS 15510-2003
X17CrNi16-2
4 EN 10088-3-2005
X17CrNi 16-2 1.4057
5 EN 10088-3-2014
X17CrNi 16-2 1.4057
6 GB /T 3098.24-2020
X17CrNi 16-2 CH2 4057-431-00-X
7 ISO 15510-2014
X17CrNi16-2 4057-431-00-X
8 DIN EN 10088-3-2014
X17CrNi 16-2 1.4057
9 ISO 683-18-2014
X17CrNi16-2 4057-431-00-X
10 NF EN 10088-1-2005
X17CrNi16-2 1.4057
11 EN 10272-2016
X17CrNi16-2 1.4057

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