Active Member
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[China]
Address: 1435-1436,area C,building B,Qinghu science park,Longhua District, Shenzhen city,Guangdong province,China
Contact name:Aaron
Shenzhen Dallast Technology Co., Ltd. |
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Pipe bar for hydraulic cylinder:
Detailed Product Description
1. Material:CK45
2. Ground and chrome plated
3. Diameter:6~1000mm
4. length:1000~8000mm
5. ISO9001:2008
Detailed Description
1. CHEMICAL COMPOSITION
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| Ck45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||
| ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 | ||
| 20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |
| 42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 |
2. MECHANCIAL PROPERTIES
| Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
| CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
| CK45 | 800 | 630 | 20 | >41J | Q + T |
| ST52 | 500 | 355 | 22 | NORMALIZE | |
| 20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
| 42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
| 40Cr | 1000 | 800 | 10 | Q + T |
3. SUPPLY CONDITION
Ground and chrome plated
4. CHROME THICKNESS
20 to 30 micron
5. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micro
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. COHESION
No cracks,breaking or detaching after thermic shock(warming up at
300 celsius degrees and cooling
in water)
11. POROSITY
Test according to ISO 1456/1458 and result yaluation according to
ISO 4540 rating 8-10
12. CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-72hours
Results evaluation according to ISO 4540 RATING 7-10
13. WELDABILITY
Good
14. PACKING
Anti rust oil to be applied on material and each rod to be packed
in paper sleeve
15. CERTIFICATE
All certificate related with material heat treatment and plating is
required
Material and grades: ASTM A210 A1, C and equivalent standard and
material like ASTM A179, ASTM A192, DIN17175, ST35.8, ST45.8,
BS3059-01 CDS320, BS3602, CFS360, CFS430
Size range: 12.7*1.2, 127*14mm
Delivery condition: normalized
Application: for pressure purpose like boilers, heat exchangers,
super heaters
End finish: plain end with square cuts
Packing: in bundles tied with steel strips
Out surface treatments: oil or varnished coating
Quality control:
Quality control is basic but most important point for qualification
of steel pipes/tubes and fittings
We carry out in-production supervision and after-production
inspection for our products
We ensure that products are produced, tested and inspected strictly
according to standard specification under supervision of our QA
engineer during production
After production inspection is carried out by worldwide famous
third party inspection company like BV, SGS, intertek
· FOB Port: Tianjin,Shanghai Port China
· Lead Time: 7 - 25 days
· HTS Code: 7306.50.00 00
· Dimensions per Unit: 5.8 × 0.5 × 1 Meters
· Weight per Unit: 5 Metric Tonnes
· Units per Export Carton: 25
· Export Carton Dimensions L/W/H: 20 × 8 × 8 Inches
· Export Carton Weight: 2200 Kilograms
FAQ :
Q1: How to make payment?
A1: Generally speaking, 30% prepaid, the balance paid before the
shipment.
Q2: The delivery time?
A2:Within 15 days for samples.15-30 days for bulk production, which
is depend on quality, production process and so on.
Q3: What is the packing method?
A3: For small piece, we use carton box; for big piece, we use
exporting grade plywood case, or as your requirement.
Q4: How to ship?
A4: Sea freight, Air freight or International express (DHL, FEDEX,
UPS...) all are available.
Q5: What is the warranty?
A5: 12 months against B/L date.
Q6: Are you a manufacturer or trading company?
A6: Manufacturer. We are a manufacturer with 15 years history.
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