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山东先达资源发展有限公司 
| 联系人：荣 女士 (外贸经理) |
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| 电 话：0531-83231687 |
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| 手 机：15552539082 |
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| 供应不锈钢焊丝ER308/ER308L |
ER308L
不锈钢焊丝
说明：ER308L焊丝主要成分是低C-18Cr-8Ni。配用SJ601不锈钢碱性烧结焊剂，其焊缝金属具有良好的力学性能，抗晶间腐蚀性能、抗裂性良好；具有不增Si、不增C，且Cr、Ni烧损小等特点。
用途：广泛应用于石油化工等行业，如022Cr19Ni9（SU304L）等材料的焊接。
Instructions: The ER308L welding stick consists mainly of low C-18Cr-8Ni. It coordinates with the stainless steel alkaline sintered flux SJ601. It’s welding line metal has good mechanical properties and resistance ability to intergranular corrosion and crack . It would not increase Si or C and would burn little Cr and Ni . Due to a low content of carbon ,it has excellent inoxidability.
Use: It’s widely used to weld materials in many industries like petrochemical industry, such as 022Cr19Ni9(SUS304L).
焊丝的化学成分（%）The technical datas of ER308L stainless steel welding wires
Item C Mn Si Cr Ni Mo P S Cu
Standard ≤0.030 1.00~2.50 0.30~0.65 19.5~22.00 9.00~11.00 ≤0.75 ≤0.030 ≤0.030 ≤0.75
Test 0.023 1.63 0.40 20.12 10.35 0.37 0.013 0.009 0.16
參考电流（DC+）
焊丝直径（mm） Dia(mm) Φ0.8 Φ1.0 Φ1.2 Φ1.6 Φ2.0 Φ2.5 Φ3.2
焊接电流（A） Welding current(A) 70~150 100~200 140~220 50~100 100~200 200~300 300~400
Cautions ：
Consumers should pay attention to the purity of the shielding gas .The recommended gas mixture ratio is Ar and 1~3%O2。The TIG should use pure Ar.
The gas flow rate is 20~25L/min.
The elongation length is 15~25mm.
The rust scale ,moisture,oil stain and dust in the welding position should be definitely cleaned.
When welding outdoors with over 1.5m/s wind speed ,appropriate wind proof measures should be taken ,in case of air vent .
The suggestions above are for reference only .The specific operation is subject to the actual situations. If necessary ,consumers should evaluate the technical qualification before determining the welding scheme. |
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