欧美a级黄片,中文字幕精品久久久久人妻红杏1,福利久久,亚洲AV无码片一区二区三区_

Aluminum base

鋁基

L400

Cast rod, wire & rod
鑄條、絲

577-582

Si11.5
Al Rem.

Brazing of aluminum and aluminum alloys.
鋁及鋁合金的釬焊

BAlSi-4

L401

Cast rod
鑄條

525-535

Si5 Cu28
Al Rem.

Brazing of aluminum and aluminum alloys.
鋁及鋁合金的釬焊

Tin lead

錫鉛

L600

Wire & rod
絲

183-185

Sn60 Sb≤0.8
Pb Rem.

Soldering of fusible bls and heat-treated part.
易熔金屬及熱處理件的釬焊

60Sn

L601

Wire & rod
絲

183-227

Sn18 Sb2
Pb Rem.

Soldering of copper, copper alloys and galvanized iron plain  sheet.
銅及銅合金、鍍鋅鐵皮的釬焊。

18Sn

L602

Wire & rod
絲

183-256

Sn30 Sb2
Pb Rem.

Soldering of copper, brass, copper alloys and galvanized iron  plain sheet.
銅、黃銅、鐵、鍍鋅鐵皮的釬焊

30Sn

L603

Wire & rod
絲

183-235

Sn40 Sb2
Pb Rem.

Soldering of copper, copper alloys, steel and zinc  parts.
銅及銅合金、鋼、鋅制零件的釬焊

40Sn

L604

Wire & rod
絲

183-222

Sn90 Sb≤0.15
Pb Rem.

Soldering of copper and steel for food and medicine  field.
食品、醫(yī)療所需銅、鋼等金屬的釬焊

90Sn

L605

Wire & rod
絲

232-240

Ag5 Sn95

Soldering of copper and steel for electrical and food  field.
電器、食品所需銅、鋼等金屬的釬焊