A194 Grade 8PA S30500 Type 305 - ASTM A194/194M-2016

Grade	A194 Grade 8PA
USA UNS	S30500
Other Names
Corresponding Standard	ASTM A194/194M-2016 Carbon steel, Alloy steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

A194 Grade 8PA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	-	-	-	-	-	17	11
Maximum Value	0.12	1	2	0.045	0.03	19	13

• The intentional addition of Bi, Se, Te, and Pb is not permitted except for Grades 6F, 8F, and 8FA, in which Se is specified and required.

A194 Grade 8PA Mechanical Properties

product	Hardness HBW
Finished Nuts	126~192HBW 60~90HRB

1 Approximate Comparison Table Austenitic Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

10Cr18Ni12

S30510

305

SUS 305

STS 305

305

S30500

X6CrNi 18-12

X5CrNi 18-12
(X5CrNi 19-11)
X4CrNi 18-12

1.4303
1.4303

Z8CN 18-12

X4CrNi 18-12

1.4303

12Х18Н12Т

305S19

2 Approximate Comparison Table Austenitic Stainless Steel

China	Japan	United States	International Organization for Standardization		European Standard
ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
S38148	SUSXM15J1	S30500	X6CrNiSi18-13-4	4884-305-00-X	(1.4884)

3 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding

China		Japan	United States		International Organization for Standardization		European Standard
GB	ISC	JIS	ASTM/AISI	UNS	ISO	Numerical Grade	EN	Numerical Grade
10Cr18Ni12 (1Cr18Ni12)	S30510	SUS305	305	S30500	X6CrNi18-12	4303-305-00-I	X6CrNi18-12	1.4303

A194Grade8PA Corresponding Standards(Same grade name, different standards)

1	ASTM A194/194M-2016
	A194 Grade 8PA S30500 Type 305
2	ASTM A194/A194M-2020
	A194 Grade 8PA S30500 Type 305
3	ASTM A194/A194M-2023
	A194 Grade 8PA S30500 305

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