ASME SA 333 Grade 6 Specification

ASME SA 333 Grade 6 Carbon Steel Seamless Pipes are Medium Carbon Steel Pipes with max 0.30 % carbon content with combination of 0.29 – 1.06 % manganese. These Pipes are most commonly used for general purpose applications worldwide.

ASME SA 333 Grade 6 Pipes are ductile and strong Pipes with long wearing properties. These Pipes are manufactured as per ASME Specification and commercially referred as carbon steel Pipes.

ASME SA 333 Grade 6 Chemical Properties
Carbon max 0.30
Silicon min 0.10
Manganese 0.29 – 1.06
Phosphorous 0.025
Sulphur 0.025
Mechanical Properties
Grade Tensile Strength (MPa) Yield Point (MPa) Elongation (%)
Grade 6 ≥415 ≥240 ≥30 ≥16.5
Equivalent Designation
DIN DIN 17178 Grade FGP 28
EN EN P265NL Grade 10216-4
BS NFA A 36-2051) Grade A 42 AP
NFA ASTM A333 Grade6
ASTM ASME SA 333 Grade 6

When the ambient temperature is below 5 ° C required weldment preheating. Preheat temperature of 100-150 oC: Preheat the scope of welds on each side of 100 mm; heating oxyacetylene flame (neutral flame) temperature measuring pen measuring the temperature at 50 ~ 100 mm from the center of the weld. The measurement points uniformly distributed, in order to better control the temperature.

ASME SA 333 Grade 6 Specification covers nominal (average) wall seamless and welded carbon and alloy steel pipe intended for low temperature use. Several grades of ferritic steel are included like grade1, grade3 & grade6. Some product sizes may not be available under ASME SA 333 Grade 6 Carbon Steel Seamless Pipes because heavier wall thicknesses have an adverse effect on low-temperature impact properties. ASME SA 333 Grade 6 Pipes are supplied with NACE MR 0103 AND NACE MR 0175 certifications with additions of HIC testing at low temperatures.

Inspection Certification

The Manufacturer shall provide Material Test certificate of inspection to the purchaser stating that the material has been manufactured, sampled, tested, and inspected in accordance with ASME SA 333 Grade 6( including year of issue), and has satisfied all the requirements of ASME SA 333.

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