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You are here: Home- NewsQ345 Structural Steel Equivalent ASTM A572 Grade 50

Q345 Structural Steel Equivalent ASTM A572 Grade 50

Posted:2016/10/19 3:16:23

Q345 structural steel has good mechanical properties, low temperature performance, plasticity and good weld ability

Q345 structural steel has good mechanical properties, low temperature performance, plasticity and good weld ability, Q345 steel is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, and general metal parts.

Q345 Steel Chemical Composition:

Steel Standard

Steel Grade

Chemical Composition

C≤

Mn

Si≤

P≤

S≤

V

Nb

Ti

Al≥

Q345

A

0.020

1.00~1.60

0.55

0.045

0.045

0.02~0.15

0.015~0.060

0.20

-

B

0.020

1.00~1.60

0.55

0.040

0.040

0.02~0.15

0.015~0.060

0.20

-

C

0.020

1.00~1.60

0.55

0.035

0.035

0.02~0.15

0.015~0.060

0.20

0.015

D

0.020

1.00~1.60

0.55

0.030

0.030

0.02~0.15

0.015~0.060

0.20

0.015

E

0.020

1.00~1.60

0.55

0.025

0.025

0.02~0.15

0.015~0.060

0.20

0.015

Q345 Steel Mechanical Property:

Steel Standard

Steel Grade

Yield Strength Mpa

Tensile Strength Map

Elongation %

Q345

A

345

470~630

21

B

345

470~630

21

C

345

470~630

22

D

345

470~630

22

E

345

470~630

22

345 Steel Equivalent Standard(ASTM/EN/JIS):

Steel for boiler and other pressure vessels

GB 713-2008
ASTM A537-08
JIS G3115

Q245R (20g/20R); Q345R (16Mng/16MnR)
Class 1/2/3
SPV235; SPV315; SPV355

High strength low alloy structural steel

GB/T 1591-2008
EN 10028-3-2003
EN 10025-2004
ASTM A572-07
ASTM A588-05

Q345 (A/B/C/D/E); Q390; Q420
P355N
S420N
Grade 50; Grade 60
Grade A; Grade B

Q345 Structural Steel Specification

Grade: GB Q345/ASTM A572Gr50
Standard: ASTM,GB
Thickness: 15mm~80mm
Width: 800mm~1200mm
Length: 2000~6000m
We can supply any size based on customer's requirements.

Shanghai Katalor Enterprises had support oversea shipbuilding project, Oil or Gas project and constructing big infrastructural projects oversea since 2000, We export UNS S32100  Stainless Steel to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen , Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea and so on. If you have any need of Q345 structural steel, please do not hesitate to contact us by email [email protected], we can do our best to help you!

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