AISI 4140 hot rolled carbon alloy steel peeled round bar

Tem 

 Steel bar,steel rod,carbon steel bar,carbon steel rod,steel round bar,steel round rod,mild steel bar,mild steel rod,

Standard 

GB/T 700-2006,GB/T 1591-94,JIS G3101-2004,

ASTM A36/A36M-05,ASTM A242/A242M-04,ASTM A529/A529M-05,

ASTM A572/A572M-06,EN 10025-2-2004

Material 

Q195,Q215 A,Q215 B,Q235 A,Q235 B,Q235 C,

Q235D,Q275,Q275B,Q275C,Q275D,Q295,Q345,Q390,Q420, Q460,

SS330,SS400,SS490,SS540,A36,1,GR.36,50(245),55(380),42(290),

60(415),65(450),S185(1.0035),S235JO(1.0114), S235JR(1.0038),

S235J2(0.0117),S275JR(1.0044),S275JO(1.10143),S355JO(1.0553),

E295(1.0050),E335(1.0060), S235J2W(1.861),S355J2W(1.8965),10#,

15#20#

Diameter

4mm~800mm

Length

1m,3m,5.8m,6m,12m or as required

Surface

polished,bright,black,coated,2b,ba,mirror,NO.4,8K

Package

Standard export seaworthy or as customers’ requirements

Application

1.Mainly used in the manufacture of petroleum, chemical, gas separation and shipping 

container or other similar devices, such as all kinds of tower vessels, heat exchangers, 

torage tank and tank car, etc

2.Manufacture all kinds of stamping parts, construction and engineering structure and 

some of the less important machine structure and parts.

Material

Processing Method

Specification

Hardness(HRC)

Diameter(mm)

Length(m)

45#

Heat-treatment

MIN 30

MAX 140

3.0-6.0

45-55

60Mn

Heat-treatment

MIN 30

MAX 140

3.0-6.0

45-55

75MnCr

Heat-treatment

MIN 30

MAX 140

3.0-6.0

45-55

Other grade steel

Heat-treatment

MIN 30

MAX 140

3.0-6.0

45-55

Steel round bar specification

Material

C

Si

Mn

P

S

Cr

Ni

V

45#

0.42-0.48

0.17-0.37

0.50-0.80

≤0.035

≤0.035

≤0.025

≤0.25

≤0.25

60Mn

0.57-0.65

0.17-0.37

0.70-1.00

≤0.035

≤0.035

≤0.025

≤0.25

≤0.25

75MnCr

0.75-0.85

0.17-0.35

0.70-0.90

≤0.030

≤0.030

0.40-0.60

≤0.25

≤0.25