{"id":1924,"date":"2024-11-13T13:02:22","date_gmt":"2024-11-13T09:32:22","guid":{"rendered":"https:\/\/ama-co.com\/?post_type=product&p=1924"},"modified":"2024-11-28T05:48:50","modified_gmt":"2024-11-28T02:18:50","slug":"ama-ap720","status":"publish","type":"product","link":"https:\/\/ama-co.com\/en\/product\/ama-ap720\/","title":{"rendered":"AMA AP720"},"content":{"rendered":"\n

Type\/ Characteristics:<\/strong>
Special agglomerated fluoride-basic type flux for welding austenitic stainless steels in combination with wire electrode according to DIN 8556. As to carbon content of the weld metal, AMA-AP720 is strictly neutral, so that, using suitable wire electrodes steels having extra low carbon content can be safely welded. It has no chromium compensation which is of importance if certain ferrite content in the weld deposit must be observed. Its metallurgical behavior as regards silicon and Manganese burn off will take place when using wire electrodes having a high Manganese content. AMA-AP720 is designed for welding thick sections. It is a hydrogen controlled flux deposition low hydrogen weld metal.
AMA-AP720 is particularly suited to be used in tandem and multi-wire welding.
It produces smooth and finely rippled weld beads merging into the base metal without undercut.
AMA AP 720 can be used on DC (positive) or AC up to 800C.
Damp flux shall be redried by backing at 300 350 c.
Grain size according to DIN 32 522:2-20.<\/p>\n\n\n\n

Main Constituents:<\/h4>\n\n\n\n
SiO2 + TiO2<\/th>CaO + MgO<\/th>Al2<\/sub>O3<\/sub> + MnO<\/th>CaF2<\/sub><\/th><\/tr>
15%<\/td>40%<\/td>20%<\/td>25%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Basicity as to boniszewskii: ~2.7<\/p>\n\n\n\n

All -Weld metal analysis (typical values):<\/h4>\n\n\n\n
AMA Trade Name<\/th>DIN\/EN<\/th>C<\/th>Cr<\/th>Ni<\/th>Mo<\/th>Nb<\/th>N<\/th><\/tr>
30-51<\/td>ER308L<\/td><0.03<\/td>>18<\/td>>9<\/td>–<\/td>–<\/td>–<\/td><\/tr>
30-52<\/td>ER347<\/td><0.07<\/td>>18<\/td>>9<\/td>–<\/td>>8\u00d7C<\/td>–<\/td><\/tr>
30-53<\/td>ER316L<\/td><0.03<\/td>>18<\/td>>10<\/td>2.5<\/td>–<\/td>–<\/td><\/tr>
30-54<\/td>ER318<\/td><0.07<\/td>>18<\/td>>10<\/td>2.5<\/td>>8\u00d7C<\/td>–<\/td><\/tr>
30-56<\/td><\/td><0.03<\/td>20<\/td>16<\/td>3.0<\/td>–<\/td>0.15<\/td><\/tr>
30-55<\/td><\/td><0.03<\/td>23<\/td>9<\/td>3.0<\/td>–<\/td>0.15<\/td><\/tr>
30-57<\/td><\/td><0.15<\/td>22<\/td>12<\/td>–<\/td>–<\/td>–<\/td><\/tr>
30-58<\/td><\/td><0.03<\/td>21<\/td>>60<\/td>9.0<\/td>-3.5<\/td>–<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mechanical properties of all-weld metal (typical values):<\/h4>\n\n\n\n
With Wire Electrode<\/th>Proof stress %0.2
( N\/mm 2 <\/sup>)<\/strong><\/th>		Proof stress %0.1
( N\/mm 2 <\/sup>)<\/strong><\/th>		Tensile Strength
( N\/mm 2 <\/sup>)<\/strong><\/th>		Elongation
Lo = 5d (%)<\/strong><\/th>		Impact energy (Joule)
ISO – V<\/strong>
20\u00b0C+<\/th><\/tr>
30 \u2013 51<\/td>> 320<\/td>> 350<\/td>> 550<\/td>> 35<\/td>> 75<\/td><\/tr>
30 \u2013 52<\/td>> 350<\/td>> 370<\/td>> 575<\/td>> 30<\/td>> 65<\/td><\/tr>
30 \u2013 53<\/td>> 320<\/td>> 350<\/td>> 550<\/td>> 30<\/td>> 75<\/td><\/tr>
30 \u2013 54<\/td>> 350<\/td>> 370<\/td>> 600<\/td>> 30<\/td>> 65<\/td><\/tr>
30 \u2013 56<\/td>> 380<\/td>> 410<\/td>> 600<\/td>> 30<\/td>> 120<\/td><\/tr>
30 \u2013 55<\/td>> 450<\/td>> 500<\/td>> 650<\/td>> 25<\/td>> 100<\/td><\/tr>
30 \u2013 57<\/td>> 320<\/td>> 350<\/td>> 650<\/td>> 30<\/td>> 75<\/td><\/tr>
30 \u2013 58<\/td>> 400<\/td>> 420<\/td>> 680<\/td>> 30<\/td>> 75<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Application: Welding of austenitic stainless Cr Ni steel, particularly thick sections.<\/h4>\n\n\n\n
Materials<\/th>Material-No<\/th>With wire electrode<\/th>Material-No<\/th><\/tr>
X 2 Cr Ni 1911<\/td>1.4306<\/td>30 – 51<\/td>1.4316<\/td><\/tr>
X 5 Cr Ni 1810<\/td>1.4301<\/td>30 – 51<\/td>1.4316<\/td><\/tr>
X 6 Cr Ni Ti 1810<\/td>1.4541<\/td>30 – 52<\/td>1.4551<\/td><\/tr>
X 5 Cr Ni Nb 189<\/td>1.4543<\/td>30 – 52<\/td>1.4551<\/td><\/tr>
X 6 Cr Ni Nb 1810<\/td>1.4550<\/td>30 – 52<\/td>1.4551<\/td><\/tr>
X 12 Cr Ni Ti 189<\/td>1.4878<\/td>30 – 52<\/td>1.4551<\/td><\/tr>
X 2 Cr Ni Mo 17132<\/td>1.4404<\/td>30 – 53<\/td>1.4430<\/td><\/tr>
X 2 Cr Ni Mo 18142<\/td>1.4435<\/td>30 – 53<\/td>1.4430<\/td><\/tr>
X 5 Cr Ni Mo 17122<\/td>1.4401<\/td>30 – 53<\/td>1.4430<\/td><\/tr>
X 6 Cr Ni Mo Ti 17122<\/td>1.4571<\/td>30 – 54<\/td>1.4576<\/td><\/tr>
X 10 Cr Ni Mo Ti 1812<\/td>1.4573<\/td>30 – 54<\/td>1.4576<\/td><\/tr>
X 6 Cr Ni Mo Nb 17122<\/td>1.4580<\/td>30 – 54<\/td>1.4576<\/td><\/tr>
X 10 Cr Ni Mo Nb 1812<\/td>1.4583<\/td>30 – 54<\/td>1.4576<\/td><\/tr>
X 2 Cr Ni Mo N 22 5<\/td>1.4462<\/td>30 – 55<\/td>~1.4462<\/td><\/tr>
X 15 Cr Ni Si N 20 12<\/td>1.4828<\/td>30 – 57<\/td>1.4829<\/td><\/tr>
X 12 Cr Ni Ti N 18 9<\/td>1.4878<\/td>30 – 57<\/td>1.4828<\/td><\/tr>
X 2 Cr Ni 18 9<\/td>1.4306<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 5 Cr Ni 18 10<\/td>1.4301<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 6 Cr Ni Ti 18 10<\/td>1.4541<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 5 Cr Ni Nb 18 9<\/td>1.4543<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 6 Cr Ni Nb 18 19<\/td>1.4550<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 12 Cr Ni Ti 18 9<\/td>1.4878<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 2 Cr Ni Mo 17 13 2<\/td>1.4404<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 2 Cr Ni Mo 18 14 2<\/td>1.4435<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 5 Cr Ni Mo 17 12 2<\/td>1.4401<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 6 Cr Ni Mo Ti 17 12 2<\/td>1.4571<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 10 Cr Ni Ti Mo 18 12<\/td>1.4573<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 6 Cr Ni Mo Nb 17 12 2<\/td>1.4580<\/td>30 – 56*<\/td>1.4455<\/td><\/tr>
X 10 Cr Ni Mo Nb 18 12<\/td>1.4583<\/td>30 – 56*<\/td>1.4455<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

*If weld metal is required to be fully austenitic<\/h4>\n\n\n\n
Materials<\/th>Material-No<\/th>With wire electrode<\/th>Material-No<\/th><\/tr>
X 8 Ni 9<\/td>1.5662<\/td>30 – 56<\/td>1.4455<\/td><\/tr>
10 Ni 14<\/td>1.5637<\/td>30 – 56<\/td>1.4455<\/td><\/tr>
12 Ni 19<\/td>1.5680<\/td>30 – 56<\/td>1.4455<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \n
  • AMA AP 720 + 30 -56<\/strong>\u00a0is out standing for joining unalloyed and low alloy steels to high alloy steels.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

    Type\/ Characteristics:Special agglomerated fluoride-basic type flux for welding austenitic stainless steels in combination with wire electrode according to DIN 8556. As to carbon content of the weld metal, AMA-AP720 is strictly neutral, so that, using suitable wire electrodes steels having extra low carbon content can be safely welded. It has no chromium compensation which is […]<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"product_brand":[],"product_cat":[96],"product_tag":[],"class_list":["post-1924","product","type-product","status-publish","product_cat-fluxes-for-submerged-arc-welding-of-austenitic-sta","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product\/1924","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=1924"}],"wp:attachment":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/media?parent=1924"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_brand?post=1924"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_cat?post=1924"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_tag?post=1924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}