BKS Honed and Srb Cold Rolled Precision Seamless Steel Pipe
Specifications
1.Grade:20#,45#,16Mn,25Mn2.OD:40mm-200mm
3.Technique:Cold drawn
4. BKS (SR)
BKS Honed and Srb cold rolled precision seamle
Commodity name: BKS Honed and Srb cold rolled precision seamless steel pipe
Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers of the precision tube and hydraulic cylinder tube in North of China. Since 2002 Cold drawn machine set importing, Xinpeng become a big precision steel pipe manufacture with 500Mt month productivity in the next 12 years.
Products widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator, forklifts and the Petrol industry.
- Hydraulic Cylinder Tube------Main products of Xinpeng,
Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and Extended the life of the hydraulic cylinder.
- SRB tube ----- used in Elevator buffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube, ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.
- Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.
Xinpeng Have passed ISo9001 verified from 2008; Each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.
Suitable for hydraulic cylinder tubes,honing or skiving and roller burnishing cylinder tubes
Dimensions tolerance
Grade |
OD(mm) |
ID (mm) |
Tolerance |
||||
OD (mm) |
ID (mm) |
Wall thickness deviation (mm) |
Ovality (mm) |
Curvature(mm/m) |
|||
25Mn |
40-74 |
30-65 |
±.01 |
-0.3,-0.5 |
≤0.5 |
≤0.1 |
0.3 |
74-98 |
65-85 |
±.01 |
-0.4,-0.6 |
≤0.5 |
≤0.15 |
0.3 |
|
100-116 |
85-100 |
±.02 |
-0.4,-0.6 |
≤0.6 |
≤0.15 |
0.3 |
|
124-134 |
110-115 |
±.02 |
-0.6,-0.8 |
≤0.6 |
≤0.20 |
0.3 |
|
140-158 |
120-135 |
±.02 |
-0.7,-0.9 |
≤0.8 |
≤0.20 |
0.3 |
|
165-176 |
140-150 |
±.02 |
-0.7,-0.9 |
≤0.8 |
≤0.20 |
0.3 |
|
188-203 |
160-180 |
±.02 |
-0.7,-0.9 Honed |
≤0.8 |
≤0.20 |
0.3 |
|
Some Demension:
OD x WT |
OD x WT |
OD x WT |
OD x WT |
4*0.5 |
16*0.5 |
26*1.8 |
35*9.0 |
4*0.8 |
16*0.8 |
26*2.0 |
35*10 |
4*1.0 |
16*1.0 |
26*2.2 |
38*0.5 |
4*1.2 |
16*1.2 |
26*2.5 |
38*0.8 |
5*0.5 |
16*1.5 |
26*2.8 |
38*1.0 |
5*0.8 |
16*1.8 |
26*3.0 |
38*1.2 |
48*5.0 |
70*2.8 |
90*10 |
130*14 |
48*5.5 |
70*3.0 |
90*12 |
130*16 |
48*6.0 |
70*3.5 |
90*14 |
130*18 |
48*7.0 |
70*4.0 |
90*16 |
140*2.5 |
48*8.0 |
70*4.5 |
95*2.0 |
140*2.8 |
48*9.0 |
70*5.0 |
95*2.2 |
140*3.0 |
Tolerance in Dimension:
OD |
GB/T3639(GB8713) |
DIN2391(EN10305) |
Our Tolerence |
Best Quality |
4-30mm |
±0.10mm |
±0.08mm |
±0.05mm |
±0.02mm |
31-40mm |
±0.15mm |
±0.15mm |
±0.05mm |
±0.03mm |
41-50mm |
±0.20mm |
±0.20mm |
±0.05mm |
±0.03mm |
51-60mm |
±0.25mm |
±0.25mm |
±0.08mm |
±0.03mm |
61-70mm |
±0.30mm |
±0.30mm |
±0.10mm |
±0.05mm |
71-160mm |
±0.30mm |
±0.30mm |
±0.10mm |
±0.05mm |
Tolerance in WT |
±0.12mm |
±0.10mm |
±0.05mm |
±0.03mm |
|
||||
Process |
Diameter |
Length |
Precision |
Inner Hole Roughness |
Cold Rolled |
30-100mm |
≤12 m |
H8-H10 |
0.4-1.6 |
Cold Draw |
30-250mm |
≤12 m |
H8-H10 |
0.8-1.6 |
Honing |
40-500mm |
≤12 m |
H8-H9 |
0.4-0.8 |
Rolling |
40-400mm |
≤7 m |
H8 |
0.4 |
|
|
|
|
|
Inner Diameter |
H8 |
H9 |
H10 |
|
30mm |
±0.033 |
±0.052 |
±0.084 |
5-30mm |
30-50mm |
±0.039 |
±0.062 |
±0.100 |
±0.080 |
50-80mm |
±0.046 |
±0.074 |
±0.120 |
|
80-120mm |
±0.054 |
±0.087 |
±0.140 |
|
120-180mm |
±0.063 |
±0.100 |
±0.160 |
|
180-250mm |
±0.072 |
±0.115 |
±0.185 |
|
250-315mm |
±0.081 |
±0.130 |
±0.210 |
|
315-400mm |
±0.089 |
±0.140 |
±0.230 |
|
Mechanical properties
- Tensile strength:≥600Mpa
- Yield strength :≥530Mpa
- Elongation :>15%
- Hardness :HRB>85
- Supply condition:BKS(+SR)
Delivey conditions:
- Standard packing with plastic caps and strapped bundes.,standard weight approx 1500kg
- Commercial length 2000~10500mm,custom lengths upon request
- Surface protection
Production Process:
- Pretreatment : Pickling—Phosphating—Saponification

- Cold drawn/cold rolled
- Annealing furnace——+SR
- Straightener—— Straightening
- Straightness inspecting
- Dimension inspecting
- Sawing

- Lathe
- Polishing
- Products inspecting
SRB/Honed

- Finished Products
-
Application:Hydraulic cylinder tubes
About our service:
1.cargo track service during transporting and feedback service after cargo is loaded on board
2.flexible terms of payment by T/T and L/C
3.big discount for repeat customers
4.smooth delivering procedure
RFQ:
Q1.What do you want to purchase ?
What we can offer are cold drawn seamless tubes,cold drawn welded tubes (DOM tubes)
Q2.Do you have the target price ?
Generally ,we have the target price when we buy something ,which is good for both supplier and
customer ,at the same time ,the target price should be objective ,reflecting the market.
Q3.What factors have an effect on the price ?
1 The market. our price rise and fall accompany with the market
2 The material and the grade .Different materials sometimes mean hundreds dollars.
3 The sizes. generally ,the thinner is more expensive because of the manufacture difficulty
Welcome to inquiry at any time.
Send Inquiry to This Supplier
You May Also Like
-
Advanced Food Packing Machine With Touch Screen Control for User-Friendly OperationUS$ 76.5 - 80MOQ: 10 Combos
-
ISO 7186 Class B Wall DI Sewer Pipe / for Vietnam Mekong Delta Storm Drain SystemNegotiableMOQ: 1 Ton
-
Q195 Galvanized Double Corrugated Pipe for Highway and Tunnel ProjectsNegotiableMOQ: 1 Kilogram
-
Gr.B Seamless and ERW Welded Carbon Steel Pipe SCH160 Thick Wall Heavy Duty Structural Steel Tube Black Painted Beveled End Wholesale PriceUS$ 450 - 500MOQ: 10 Tons
-
ASTM A333 Grade 6 & Grade 1 Seamless Low Temperature Pipe-Hengzhihui For Cryogenic Pipeline Service – OD 6~204mm | WT 1~18mmNegotiableMOQ: 1 Metric Ton
-
OEM Custom Size K9 Centrifugal Ductile Cast Iron Tube Push on Joint Heavy Duty Pipe for Potable Water Infrastructure ConstructionUS$ 500 - 600MOQ: 10 Metric Tons
-
gi Tubular Q195 Pre Galvanized Steel Square Tube gi Hollow Section 0.3-2.75mm 1/2"-6" ManufacturerUS$ 380 - 850MOQ: 5 Tons
-
Factory Price Hot-rolled Seamless Steel Pipe Astm A Carbon Steel PipeNegotiableMOQ: 5 Tons
-
Steel Pipe & Tube,Square Tube• European Standard: EN 10219 • American Standard: ASTM A500 • Material Standard: GB/T 700, GB/T 1591NegotiableMOQ: 2 Metric Tons
-
T2 Red Copper Water Stop Belt 1.2mm/1.5mm/2.0mm Thick Corrosion Resistant Construction Waterstop PlateUS$ 10.1 - 12.1MOQ: 10 Meters











