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Changzhou Shunbai Hydraulic Technology Co., Ltd

Manager Chen:

15370208128

Manager Wang:

13179678629

Oil cylinder assembly



 
MECHANCIAL PROPERTY
Final Supply Conditior
Steel Grade		 Cold hard
COLD FINISHED(HARD)(BK)		 COLD DRAWN AND STRESS-RELIEVEDI
(BK+S)
Tensile strength
T.S σ bN/mm²		 Elongation
σ 5%		 T.S
σ bN/mm²		 Y.S
σ bN/mm²		 Elongation
σ 5%		 Hardness
HB		 Impact value
(-20C)J
Q355E ≥660 ≥8 ≥620 ≥520 ≥15 ≥190 ≥27
P460 / / ≥710 ≥590 ≥15 ≥190 ≥27
P620 / / ≥730 ≥630 ≥15 ≥220 ≥27
1026 ≥640 ≥8 ≥620 ≥510 ≥15 ≥190 /


CHEMICAL COMPOSITION
Steel Grade C Si Mn P S Cr Ni Cu V Al
Q355B ≤0.20 ≤0.50 ≤1.70 ≤0.035 ≤0.035 ≤0.30 ≤0.50 ≤0.30 / /
Q355D ≤0.18 ≤0.50 ≤1.70 ≤0.030 ≤0.025 ≤0.30 ≤0.50 ≤0.30 ≤0.15 ≥0.015
Q355E 0.12-0.18 0.2-0.5 1.2-1.7 ≤0.025 ≤0.025 ≤0.30 ≤0.50 ≤0.20 0.04-0.15 ≥0.02
P460 ≤0.2 ≤0.6 1.0-1.7 ≤0.025 ≤0.015 ≤0.30 ≤0.80 ≤0.70 ≤0.20 ≥0.02
P620 ≤0.2 ≤0.6 1.0-1.7 ≤0.025 ≤0.015 ≤0.30 ≤0.80 ≤0.30 ≤0.20 ≥0.02
1026 0.22-0.28 ≤0.3 0.6-0.9 ≤0.035 ≤0.025 ≤0.20 ≤0.30 ≤0.35 / /

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