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API 5L GrB Line pipe

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Steel Tube

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API 5L GrB Line pipe

Product Description

API 5L GrB Ⅰ、Chemical Composition(％)：

C	Mn		P	S	Cu

≤0.28%	≤1.20%		≤0.030%	≤0.030%	≤0.50%

Ni	Cr		Mo

≤0.50%	≤0.50%		≤0.15%

unless otherwise agreed：V+Nb：≤0.06 V+Nb+Ti: ≤0.15. For every 0.01% reduction in carbon content, manganese content can be increased by 0.05% to a maximum of 1.65%.





Ⅱ、mechanical property

Non-proportional elongation strengthRP0.2（MPa)		tensile strength（Mpa）		Elongation(%)



485-605 Mpa		≥570Mpa		≥18%


Ⅲ、Application：

For the production of oil, natural gas pipeline special steel plate