S31703 - ASTM A554-2026

USA UNS	S31703
AISI American Iron and Steel Institute	317L
Corresponding Standard	ASTM A554-2026 Welded Stainless Steel Mechanical Tubing
Classification	Austenitic Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	18	11	3	-
Maximum Value	0.03	0.75	2	0.045	0.03	20	15	4	0.1

Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Annealing	≥517	≥207	≥35	HB：≤192 HRB：≤90

Approximate Comparison Table Austenitic Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

022Cr19Ni13Mo3
(00Cr19Ni13Mo3)

S31703

317L

SUS 317L

STS 317L

317L

S31703

X2CrNiMo 19-14-4
X2CrNiMo18-15-4

X2CrNiMo 18-15-4
(X2CrNiMo 18-16)

1.4438

Z2CND 19-15
Z3CND 19-15-04

X2CrNiMo 18-15-4

1.4438

03Х16Н15М3

2367

317S12
317S11

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!