Shandong Zhongye Petroleum Machinery Co., Ltd.

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Shandong Zhongye Petroleum Machinery Co., Ltd.

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astm a106 gr.b seamless steel pipe
Specification: outside diameter20-508mm wall thickness 2.5-50mm
Detail: ASTM A106 GR.B seamless steel pipe 1. Material: A106/A53 GR.B 20# 16Mn St45 St52 2. Standard: ASTM DIN EN JIS 3. high quality, large stock, competitive price


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