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QUALITY
Good quality controls win customer's long term reliable and cooperation always. All document including inspection reports, raw material certifications, and treatment process will be attached to shipment on a regular basis. If LAB test report is required attaching, Pin Tai can follow customer's need as well.
Material Chemical compositions (%)  
C Si Mn P S Ni Cr Mo Others HRC HV
SUS440C 0.95-1.20

≦1.00

 ≦1.00 ≦0.040

≦0.030

   16.00-18.00 ≦0.75   55°-60° >700°
SUS420J2 0.26-0.40 ≦1.00 ≦1.00 ≦0.040 ≦0.030 ≦0.60 12.00-14.00     46°-53° >550°
SUS420F 0.26-0.40
≦1.00		 ≦1.00 ≦1.25 ≦0.060 ≦0.030 ≦0.60 12.00-14.00     46°-53° >550°
SUS416 ≦0.15 ≦1.00 ≦1.25 ≦0.060 ≦0.15   12.00-14.00 ≦0.60   33°-40° >400°
SUS303 ≦0.15 ≦1.00 ≦2.00 ≦0.20 ≦0.15 8.00-10.00 17.00-19.00 ≦0.60   5°-35° 270°
SUS304 ≦0.08 ≦1.00 ≦2.00 ≦0.045 ≦0.030 8.00-10.50 18.00-20.00     5°-30°  
SAE1144 0.40-0.48   1.35~1.65 ≦0.040 0.24~0.33         45°-50°  
AISI 12L14 ≦0.15   0.85~1.15 0.04-0.09 0.26-0.35       pb
0.15-0.35		 45°-60°  
S60C 0.55-0.61 0.15-0.35 0.60-0.90 ≦0.030 ≦0.035 <0.20 <0.20 Cu<0.300
Ni+Cr<0.35		   56°-60°  
S45C 0.42-0.48 0.15-0.35 0.60-0.90 ≦0.030 ≦0.035 <0.20 <0.20 Cu<0.300
Ni+Cr<0.35		   45°-52°  
SAE8620 0.18-0.23 0.15-0.30 0.70-0.90 ≦0.035 ≦0.040 0.40-0.70 0.40-0.60 0.15-0.25 Cu<0.30 56°-60°  
SUJ2 0.95-1.10 0.15-0.30 ≦0.50 ≦0.025 ≦0.025 0.40-0.70 0.40-0.60   Cu<0.30 58°-63°  
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