Hi, PMI values are not exact value, so the below value of Mn is not a major problem. If you want confirm the correct value, select the wet analaysis method. Louis Welding Inspector Singapore
--- On Tue, 19/1/10, babu k <kbabupsg@gmail.com> wrote:
From: babu k <kbabupsg@gmail.com>
Subject: Re: [MW:4092] composition manganese less than requirment of ASTM A36
To: materials-welding@googlegroups.com
Date: Tuesday, 19 January, 2010, 7:44 PM
Hi, The reduction in Mn may be compensated by Carbon content, Also the exact Mn content value u can cross check with wet analysis.
On Mon, Jan 18, 2010 at 11:52 AM, Tran Van Vuong <vuong.tv@gmail.com> wrote:
Please help me in PMI testing for material ASTM A36 thickness over 20.0mm, the composition requirement of manganese is (0.8 – 1.2)%. But result of test is less than 0.8%. Other testings are accepted (tensile, bending, elongation). Please advice me this result is accepted or not. If not, please advice the solution. Thank you in advance. TRAN VAN VUONG
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Thanks & regards,
K.Babu
Singapore
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