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what steel pipe 16Mn seamless steel pipe corresponding to th

The Material and Standard subject to the following chart.

Standard Specification: ASTM A106

Steel grades, Chemical composition and Mechanical properties 

ASTM pipe

Steel

Grade

Chemical composition (%)

Mechanical properties

C

Si

Mn

P

S

Ni

Cr

Cu

Mo

V

Yield strengt

Tensile strength

Elongatio

MPa

MPa

(%)

Max

Min

 

Max

Max

Max

Max

Max

Max

Max

Min

Min

longitudinal

A

0.25

0.10

0.27-0.93

0.035

0.035

0.40

0.40

0.40

0.15

0.08

205

330

See ASTM A106

B

0.30

0.10

0.29-1.06

0.035

0.035

0.40

0.40

0.40

0.15

0.08

240

415

 
What steel pipe corresponding ASTM standard ASTM standard 16Mn seamless steel pipe material: 16Mn old GB GB/T1591-1988 high strength low alloy structural steel grades, the grades in the new national standard GB/T1591-1994 of Q345 (Q345 5a quality grade Q345A Q345E), the Q345A corresponding U.S. ASTM grades Gr.50 (the middle point is not the decimal point is in the upper and lower pairs, like the multiplication sign "the point is the same.)
The other several levels with the American Standard ASTM grades were as follows:
Q345B = Gr.B,
Q345C = Gr.C,
Q345D = Gr.D,
Q345E = Gr.A, A808M, Type7
 


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