我们于1978年11月采用多料配比自制焊料药剂(301和302)焊接0.5～8毫米的不锈钢板,获得了成功,经过实践考验,效果良好。其作法是:采用如下配比制成粒度为120目的粉末。大理石60％;萤石29％;白陶土5％;锡铁3％;钛铁3％。然后再加40～50％的水玻璃粘结成液状,就是我们命名的301号药剂,焊接时用以涂敷在焊条上。302号药剂 In November 1978, we used stainless steel plates with 0.5 to 8 mm thick stainless steel plates (301 and 302) which were prepared by using multiple ingredients and were successfully tested. The results were proved to be effective. The practice is: using the following ratio to make a particle size of 120 mesh powder. Marble 60%; Fluorite 29%; kaolin 5%; tin 3%; ilmenite 3%. And then add 40 to 50% of the water glass bonded into a liquid, that is, we named 301 No. Pharmacy, welding to be coated on the electrode. No. 302 Pharmacy