Product Details

Main steel grade:

ASTM A106 Grade C

Note 2: The dimensionless designator NPS (nominal pipe size) [DN (diameter nominal)] has been substituted in this standard for such traditional terms as “nominal diameter”, “size”, and “nominal size”.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents. Therefore, each system is to be used independently of the other.

NPS 1-1/2″ and under may be either hot finished or cold drawn. NPS 2″ and larger shall be hot finished unless otherwise specified.

Steel cast in ingots or strand cast is permissible.

Cold-drawn pipe shall be heat treated after the final cold draw pass.

Chemical Requirements ASTM A106 ElementCarbon,maxPhosphorus,maxSilicon,minCopper,max (3)Nickel,max (3)

Grade A	Grade B	Grade C
0.30 (2)		0.27-0.93	0.29-1.06
0.035		0.035	0.035
0.10		0.40	0.40
0.40		0.15	0.15
0.40		0.08	0.08

(1) For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above
the specified maximum will be permitted up to a maximum of 1.35%.

(3) These five elements combined shall not exceed 1%.