High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength
Brand Name:HY
Certification:ISO9001:2008
Minimum Order Quantity:1 tons
Delivery Time:30days
Payment Terms:T/T, L/C
Place of Origin:China
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Wuxi Jiangsu China
Address:
Yangshan Industrial Park Huishan District Wuxi Jiangsu China
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Product Details
High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength
Detailed Product Description
1. Material: ST52, CK45, 42CrMo4, 40Cr, 20MnV6, HY4520, HY4700
2. Category: Hard chrome piston rod
Quenched & Tempered (Q+T) rod
Induction hardened rod
Q+T induction hardened rod
Micro alloy steel piston rod
Wind power project piston rod
3. Yield strength: Not less than 355 MPa
4. Tensile strength: Not less than 610 MPa
5. Passed the ISO9001:2008 international quality system.
6. Our inspection apparatus and production equipment are advanced and superior.
Detailed Description
1. CHEMICAL COMPOSITION(%)
Material | C% | Mn% | Si% | S% | P% | V% | Ni | Cr% | Mo | Cu |
ck45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 | ||
ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | 0.02-0.15 | ||||
20MnV6 | 0.17-0.24 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | 0.035 | 0.10-0.20 | ≤0.30 | ≤0.30 | ≤0.30 | |
42CrMo | 0.38-0.45 | 0.5-0.8 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.07-0.12 | ≤0.03 | 0.90-1.20 | 0.15-0.25 | ≤0.03 |
40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | ≤0.3 | 0.80-1.1 | ≤0.03 | ||
HY4700 | 0.38-0.45 | 1.20 ~1.60 | 0.30~0.50 | ≤0.035 | ≤0.020 | 0.05～0.15 | ≤0.25 | 0.10～0.20 | ≤0.15 | 0.25 |
HY4520 | 0.40 ~0.48 | 0.80 ~1.40 | 0.15 ~0.35 | ≤0.035 | ≤0.035 | ≤0.15 | ≤0.25 | ≤0.25 | ≤0.15 | ≤0.25 |
2. MECHANICAL PROPERTIES
Material | T.S / Rm(MPa) | Y.S / Rel(MPa) | A% | CHARPY | CONDITION |
ck45 | 610 | 355 | 16 | >41J | Normalized |
ck45 | 800 | 540 | 20 | >41J | Q+T |
ST52 | 500 | 355 | 22 | Normalized | |
20MnV6 | 750 | 590 | 12 | >40J | Normalized |
42CrMo4 | 980 | 850 | 14 | >47J | Q+T |
40Cr | 1000 | 800 | 10 | Q+T |
3. MICRO ALLOY STEEL
Material | MECHANICAL PROPERTIES | Surface hardness(HBW) | |||||
Rm(MPa) | Rel(MPa) | A% | Z% | KU2(J) | |||
HY4700 | Φ35 - Φ100 | 900 - 1100 | ≥650 | ≥16 | ≥35 | ≥39 | 270-340 |
＞Φ100 - Φ140 | 850 - 950 | ≥600 | ≥16 | ≥35 | ≥39 | 270-340 | |
HY4520 | Φ40 - Φ100 | 750 - 900 | ≥520 | ≥19 | ≥40 | ≥39 | 230-290 |
＞Φ100～Φ140 | 750 - 900 | ≥520 | ≥17 | ≥35 | ≥39 | 230-290 | |
4. SUPPLY CONDITION
Ground and chrome plated
5. CHROME THICKNESS
20 to 30 micron
6. TOLERANCES ON DIA
ISO f7 on the diameter
7.OVALITY
Half of the tolerance ISO f7
8. STRAIGHTNESS
≤0.2MM/M
9 .SURFACE HARDNESS
850-1150HV (vickers 100g)
10. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micron
11. COHESION
No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees
and cooling in water)
12 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
13. CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-120hours
Results evaluation according to ISO 4540 RATING 7-10
14. WELDABILITY
Good
15. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
16. CERTIFICATE
All certificate related with material heat treatment and plating is required
High Performance Length Hollow Steel Tube Bar 1m - 8m High Strength
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