Navkar Materials

Carbon Steel

A durable iron-and-carbon alloy widely used in engineering, construction, power generation, transportation and demanding industrial piping systems.

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Carbon steel manufacturing Strength • Durability • Ductility
TECHNICAL DATA

Carbon Steel Technical Properties.

Technical composition and mechanical property data for carbon steel fitting grades used across industrial piping applications.

01 / CHEMICAL DATA

Chemical Composition

Carbon steel composition by grade and alloying element.

Grade C Mn P S Si Cr Mo Ni Cu V Nb Cb Al
WPB 0.3 0.29-1.06 0.05 0.058 0.1min 0.4 0.15 0.4 0.4 0.08 0.02 - -
WPC 0.35 0.29-1.06 0.05 0.058 0.1min 0.4 0.15 0.4 0.4 0.08 0.02 - -
WPL3 0.20 0.31-0.64 0.05 0.05 0.13-0.37 - - 3.2-3.8 - - - - -
WPL6 0.30 0.60-1.35 0.035 0.040 0.15-0.30 0.30 0.12 0.40 0.40 0.05 - - -
Grade Mn P S Si Ni Cr Mo Cu Ti V Cb Al C
WPHY 42 0.20 1.00-1.45 0.03 0.01 0.15-0.40 0.50 0.30 0.25 0.35 0.05 0.10 0.04 -
Grade C Mn S P Si Ni Cr Mo Cu Ti V Cb Al
WPHY 52 0.20 1.00-1.45 0.03 0.01 0.15-0.40 0.50 0.30 0.25 0.35 0.05 0.10 0.06 -
Grade C Mn S P Si Ni Cr Mo Cu Ti V Cb Al
WPHY 56 0.20 1.00-1.45 0.03 0.01 0.15-0.40 0.50 0.30 0.25 0.35 0.05 0.10 0.04 0.06
Grade C Mn S P Si Ni Cr Mo Cu Ti V Cb Al
WPHY 60 0.20 1.00-1.45 0.03 0.01 0.15-0.40 0.50 0.30 0.25 0.35 0.05 0.10 0.06 -
Grade C Mn P S Si Ni Cr Mo Cu Ti V Cb Al
WPHY 65 0.20 1.00-1.45 0.03 0.01 0.15-0.40 0.50 0.30 0.25 0.35 0.05 0.10 0.06 -
Grade C Mn P S Si Ni Cr Mo Cu Ti V Cb Al
WPHY 70 0.20 1.00-1.45 0.03 0.01 0.15-0.40 0.50 0.30 0.25 0.35 0.05 0.10 0.04 0.06
02 / MECHANICAL DATA

Mechanical Properties

Tensile strength, yield strength, elongation and impact requirements.

Tensile and Yield Strength WPB WPC WPL3 WPL6
Tensile strength, minimum unless a range is given ksi (MPa) 60 (415) 70 (485) 60-95 60-85 [415-585]
Yield strength, min ksi (MPa) (0.2% offset or 0.5% extension under-load) 35 (240) 40 (275) 35 35 [240]
ASTM A860 / 860M Yield Strength, min. Tensile Strength Elongation, min. Cv, avg./min.
Grade ksi MPa ksi MPa % ft*lbs J
WPHY 42 42 290 60-85 415-585 25 30/25 40/34
WPHY 46 46 315 63-88 435-605 25 30/25 40/34
WPHY 52 52 360 66-91 455-625 25 30/25 40/34
WPHY 60 60 415 75-100 515-690 20 30/25 40/34
WPHY 65 65 450 77-102 530-705 20 30/25 40/34
WPHY 70 70 485 80-105 550-725 20 30/25 40/34

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