St52 E355 Pre Honed Cold Drawn Tube Ready to Hone Hydraulic Cylinder Tube CD Pipe
Wuxi Baiheng Metal Co., Ltd- Usage：Hydraulic,Automobile Pipe, Oil,Gas Drilling, Machinery Industry, Construction & Decoration
- Surface Treatment：Oiled
- Technique：Cold Drawn
- Material：Carbon Steel
- Type：Seamless
- Section Shape：Round
Base Info
- Trademark：BAIHENG
- Specification：ID20-500
- Transport Package：in Bundel, with Plastics on Both Ends, Oil Coated
- Process：Cold Drawn
- Model NO.：ID40-500
- Origin：China
- HS Code：73049000
- Production Capacity：1000 Ton Per Month
Description
Hardness HB Parameters T.S obN/mm2 Elongation δ5% T.S obN/mm2 Y.S OsN/mm2 Elongation δ5% 20# (A106B, ST45, E255) >=550 >=8 >=520 >=375 >=12 175 45#(CK45) >=650 >=5 >=600 >=500 >=10 190 Q345B(ST52, E355) >=640 >=5 >=600 >=520 >=15 190 25Mn >=640 >=5 >=600 >=510 >=15 195 27SiMn >=840 >=5 >=760 >=610 >=10 220 Chemical Properties: Material C% Mn% Si% S% P% 20# 0.17-0.23 0.35-0.65 0.17-0.37 ≤0.035 ≤0.035 ST45 ≤0.21 ≥0.4 ≤0.35 ≤0.025 ≤0.025 E255 ≤0.21 0.4-1.1 ≤0.35 ≤0.025 ≤0.025 45# 0.42-0.50 0.50-0.80 0.17-0.37 ≤0.035 ≤0.035 Q345B ≤0.20 ≤1.70 ≤0.50 ≤0.035 ≤0.035 E355 ≤0.22 ≤1.6 ≤0.55 ≤0.025 ≤0.025 ST52 ≤0.22 ≤1.6 ≤0.55 ≤0.04 ≤0.04 25Mn 0.22-0.29 0.70-1.0 0.17-0.37 ≤0.035 ≤0.035 27SiMn 0.24-0.32 1.10-1.40 1.10-1.40 ≤0.035 ≤0.035 Part of size list (ID*OD) 40*50 100*127 240*273 40*55 110*130 250*266 50*60 120*140 250*280 50*63 120*145 250*300 60*70 125*140 280*323 60*73 125*145 280*325 63*73 140*165 300*320 63*76 140*168 300*356 70*80 150*180 320*340 70*82 160*184 320*356 70*85 160*194 320*370 80*90 170*200 350*370 80*92 180*210 400*420 80*95 200*216 80*100 200*220 90*102 200*232 90*105 200*245 100*114 220*250 100*121 220*273 
