Chapter 6    Carbon & Alloy Steel - Tubular Products

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CHEMICAL COMPOSITION OF CARBON STEEL PIPE

 ASTM Specification

Pipemaking Process

C

Mn

P

S

Si

 A 53 (type F)

Continuous or furnace butt welded

---

---

0.080

0.060

---

 A 53 (type E) grade A

Electric resistance  welded

0.25

0.95

0.050

0.060

---

                       grade B

 

0.30

1.20

0.050

0.060

---

 A 53 (type S) grade A

Seamless

0.25

0.95

0.050

0.060

---
                       grade B   0.30 1.20 0.050 0.060 ---
 A 106 grade A Seamless 0.25 0.27-0.93 0.025 0.025 0.10
            grade B   0.30 0.29-1.06 0.025 0.025 0.10
            grade C   0.35 0.29-1.06 0.025 0.025 0.10
 A 134 Arc welded See material grade specifications.
 A 139 grade A Arc welded --- 1.00 0.040 0.050 ---
            grade B   0.30 1.00 0.040 0.050 ---
            grade C   0.30 1.20 0.040 0.050 ---
            grade D   0.30 1.30 0.040 0.050 ---
            grade E   0.30 1.40 0.040 0.050 ---
 A 211 Spiral welded See material grade specifications.
 A 252 Welded or seamless --- --- 0.050 --- ---
 A 333 grade 1 Welded or seamless 0.30 0.40-1.06 0.050 0.06 ---
            grade 6   0.30 0.29-1.06 0.048 0.058 0.10
 A 381 Submerged arc welded 0.26 1.40 0.040 0.050 ---
 A 523 grade A Electric resistance welded 0.21 0.90 0.040 0.050 ---
            grade B   0.26 1.15 0.040 0.050 ---
            grade A Seamless 0.22 0.90 0.040 0.050 ---
            grade B   0.27 1.15 0.040 0.050 ---
 ASTM Specification Pipemaking Process C Mn P S Si
 A 524 grade I, II Seamless 0.21 0.90-1.35 0.048 0.058 0.10-0.40
 A 587 Electric resistance welded 0.15 0.27-0.63 0.048 0.050 ---
 A 589a Welded or seamless --- --- 0.050 0.060 ---
 A 671 Arc welded See material grade specifications.
 A 672 Arc welded See material grade specifications.
 A 691 Arc welded See material grade specifications.
 A 795 grade A Welded or seamless 0.25 0.95 0.050 0.060 ---
            grade B   0.30 1.20 0.050 0.060 ---
 API Specification Pipemaking Process C Mn P S Si
 2B Arc welded Specified by purchaser
 5CT grade H40, J55, K55, N80 Welded or seamless --- --- 0.040 0.060 ---
 grade C75 type 2   0.43 1.50 0.040 0.060 0.45
 5CT grade P105, P110 Seamless --- --- 0.040 0.060 ---
 5L grade A25, class I Electric welded 0.21 0.30-0.60 0.040 0.060 ---
      grade A25, class II   0.21 0.30-0.60 0.045-0.080 0.060 ---
      grade A   0.21 0.90 0.040 0.060 ---
 5L grade B   0.26 1.15 0.040 0.060 ---
      grade A25, class I Furnace butt welded 0.21 0.30-0.60 0.045 0.060 ---
      grade A25, class II   0.21 0.30-0.60 0.045-.0.080 0.060 ---
      grade A Submerged arc welded 0.21 0.90 0.040 0.060 ---
      grade B   0.26 1.15 0.040 0.050 ---
      grade A25, class I Seamless 0.21 0.30-0.60 0.045 0.060 ---
      grade A25, class II   0.21 0.30-0.60 0.045-0.080 0.060 ---
      grade A   0.22 0.90 0.040 0.050 ---
      grade B   0.27 1.15 0.040 0.050 ---
      grade A Spiral welded 0.21 0.90 0.040 0.050 ---
      grade B   0.26 1.15 0.040 0.050 ---
      grade X42   0.28 1.25 0.040 0.050 ---
      grade X46, X52   0.30 1.35 0.040 0.050 ---
      grade X42 Welded 0.28 1.25 0.040 0.050 ---
      grade X46, X52 Welded/cold expanded 0.28 1.25 0.040 0.050 ---
      grade X46, X52 Welded, non-expanded 0.30 1.35 0.040 0.050 ---
      grade X42, X46 Seamless, cold expanded 0.29 1.25 0.040 0.050 ---
      grade X52   --- --- --- --- ---
      grade X46, X52 Seamless, non-expanded 0.31 1.35 0.040 0.050 ---
      5D Seamless --- --- 0.040 0.060 ---
 CSA Specification Pipemaking Process C Mn P S Si
 CAN3-Z245.1 grade 359 and Seamless or welded 0.26 --- 0.030 0.035 0.50
 higherb            

 a. Contains 0.02% Aluminum.  b. Carbon equivalent requirement.  Single values are maximums, unless otherwise specified.

 

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 The Ferrous Metals Data Book

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 a. Contains 0.02% Aluminum.  b. Carbon equivalent requirement.  Single values are maximums, unless otherwise specified.

 

[ Go to Top ]

 The Ferrous Metals Data Book