Typical composition in%

Si---------------------4.50--5.50     Fe----------------------<0.80

Cu-------------------------<0.30     Mg----------------------<0.05

Mn-------------------------<0.05     Zn------------------------<0.10   

Be-------------------------<0.0003   Ti------------------------<0.02

Classification:

GB/T  3190--1996                              GB/T 10858--1989-----HS311

AWS A5-10 ---------ER4043

Physical properities(Approx Value):

Test temperature(oC)----20  Tensile strength Rm(MPa---120

Elongation A5(L0=5d0)(%)-8  0.2% yield strenth Rp0.2(MPa)-40  

This is a type of product can be use in forging and casting alloys welding due to it has silicon of 5% with the good performance in

anti-thermalcrack

Dimensions

Weight: 0.50kg/spool or 1lb/spool
1.0kg/spool or 2lb/spool       2.0kg/spool or 5lb/spool
5.0kg/spool or 12lb/spool     7.0kg/spool or 16lb/spool