{"id":1669,"date":"2024-11-18T15:09:17","date_gmt":"2024-11-18T11:39:17","guid":{"rendered":"https:\/\/ama-co.com\/?post_type=product&p=1669"},"modified":"2025-05-28T20:38:37","modified_gmt":"2025-05-28T17:08:37","slug":"ama-1438n","status":"publish","type":"product","link":"https:\/\/ama-co.com\/en\/product\/ama-1438n\/","title":{"rendered":"AMA 1438N"},"content":{"rendered":"\n

Application\/properties:<\/strong><\/p>\n\n\n\n

Basic electrode used for welding high strength fine grain structural steels.Weld metal is extremely metallurgical pure having very low hydrogen content. The electrode has a stable and concentrated arc, thus being well-suited or positional welding. Welds are of X-ray quality.<\/p>\n\n\n\n

Weld metal analysis in % (typical values):<\/strong><\/strong><\/p>\n\n\n\n

C<\/th>Mn<\/th>Si<\/th>Ni<\/th>P<\/th>S<\/th><\/tr><\/thead>
0.07<\/td>1.7<\/td>0.35<\/td>0.8<\/td>< 0.02<\/td>< 0.02<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mechanical Properties of all-weld metal:<\/strong><\/p>\n\n\n\n

(single values are typical values)<\/strong><\/p>\n\n\n\n

Tensile Strength
(N\/mm2<\/sup>)<\/th>		Yield Strength
(N\/mm2<\/sup>)<\/th>		Elongation
A5 (%)<\/th>		Impact Energy (J)
ISO-V
-40\u00b0C       -50\u00b0C<\/th><\/tr><\/thead>
550 – 670<\/td>> 500<\/td>> 24<\/td>>80       >70<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
Welding Parameters<\/th><\/tr><\/thead>
Diameter (mm)<\/th>Length (mm)<\/th>Amperage (A)<\/th><\/tr><\/thead>
2.5<\/td>350<\/td>65 – 95<\/td><\/tr>
3.25<\/td>450<\/td>90 – 140<\/td><\/tr>
4.0<\/td>450<\/td>140 – 185<\/td><\/tr>
5.0<\/td>450<\/td>180 – 240<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

Remarks:<\/strong><\/strong><\/p>\n\n\n\n

    \n
  • Just Consume Dry Electrode<\/li>\n\n\n\n
  • Rebaking: required on 300\u00b0C to 350\u00b0C for 2 hours.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

    Application\/properties: Basic electrode used for welding high strength fine grain structural steels.Weld metal is extremely metallurgical pure having very low hydrogen content. The electrode has a stable and concentrated arc, thus being well-suited or positional welding. Welds are of X-ray quality. Weld metal analysis in % (typical values): C Mn Si Ni P S 0.07 […]<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"product_brand":[],"product_cat":[84],"product_tag":[],"class_list":["post-1669","product","type-product","status-publish","product_cat-welding-electrodes-for-fine-grained-structural-steels","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product\/1669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/comments?post=1669"}],"wp:attachment":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/media?parent=1669"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_brand?post=1669"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_cat?post=1669"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_tag?post=1669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}