Grade 33 K02502 - ASTM A570/A570M-1998

Grade	Grade 33
USA UNS	K02502
Corresponding Standard	ASTM A570/A570M-1998 Structural Steel, Sheet and Strip, Carbon, Hot-Rolled
Classification	Carbon Steel

Grade 33 Chemical Element Composition Content (%)

Component	C	Mn	P	S	Cu
Minimum Value	-	-	-	-	0.2
Maximum Value	0.25	0.9	0.035	0.04	-

◎ Al、Si is no requirement, but the analysis shall be reported.

Grade 33 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
0.65≤t＜1.6	≥360	≥230	L0=50mm ≥18
1.6≤t＜2.5	≥360	≥230	L0=50mm ≥22
2.5≤t＜6	≥360	≥230	L0=50mm ≥23 L0=200mm ≥18

◎ For coil products, testing by the producer is limited to the end of the coil. Results of such tests must comply with the specified values. Tensile properties throughout the balance of the coil must not be less than 90 % of the minimum values specified.

◎ Minimum Inside Radius for Cold Bending：1t；t=steel thickness

Approximate Comparison Table Carbon Structural Steel and Engineering Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

Q235A
Q235B
Q235C
Q235D
(A3)
(C3)

U12352
U12355
U12358
U12359

SS400

SS400
(SS41)

SS400

A570 Gr.A
A570 Gr.D
A283M Gr.D

K02501
K02502

Fe360A
Fe360D

S235JR
S235JRG1
S235JRG2
(St37-2)
(USt37-2)
(RSt37-2)

1.0037
1.0036
1.0038

S235JR
S235JRG1
S235JRG2
(E24-2)
(E24-2NE)

Ст3кп-2
Ст3кп-3
Ст3кп-4
БСт3кп-2

1311
1312

S235JR
S235JRG1
S235JRG2
(40B)
(C)

Grade33 Corresponding Standards(Same grade name, different standards)

1	ASTM B348-2013
	Grade 33 R53442
2	ASTM A570/A570M-1998
	Grade 33 K02502

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