id(); $table->timestamps(); $table->string('steel_grade')->nullable(); $table->string('short_name')->nullable(); $table->string('product_name')->nullable(); $table->string('ru_group')->nullable(); $table->string('iso')->nullable(); $table->string('asme_number')->nullable(); $table->string('carbon')->nullable(); $table->string('silicon')->nullable(); $table->string('manganese')->nullable(); $table->string('phosphorus')->nullable(); $table->string('sulfur')->nullable(); $table->string('chromium')->nullable(); $table->string('nickel')->nullable(); $table->string('molybdenum')->nullable(); $table->string('copper')->nullable(); $table->string('aluminium')->nullable(); $table->string('titanium')->nullable(); $table->string('vanadium')->nullable(); $table->string('tungsten')->nullable(); $table->string('columbium')->nullable(); $table->string('tensile_strength')->nullable(); $table->string('yield_point')->nullable(); $table->string('elongation')->nullable(); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('materials'); } }