JIANNING METALS
Factory: Shandong huali Hydraulic Machinery Co.,Ltd
Address:No.9 Wanhe industrial park, lushan Road, Development Zone, Liaocheng, Shandong
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Address: DANGDAI GUOJI PLAZA , DONGCHANG EAST ROAD, ECONOMIC TECHNOLOGICAL DEVELOPMENT ZONE, LIAOCHENG CITY, SHANDONG PROVINCE,CHINA
Tel:0086-635-8571299 0086-13258983775
热门关键词:液压岩心钻机、XYC-200、XYD-200、XYX-3、工程钻机 等
hot key words:
Products
Standard: DIN2391 EN10305 ASTM A519 | |||||||||
Material:C20 CK45 E355 ST52 SAE1026 4130 4140 STKM 13C | |||||||||
Size:I.D:30mm-400mm; O.D:40mm-480mm | |||||||||
Length:Fixed length, Random length or as requests of customers | |||||||||
Application: Hydraulic cylinder, Engineering machinery, Metallurgical machinery, Plastic machinery, Hoisting machinery, Road construction machinery, Textile machinery |
Chemical Composition: | |||||||||
Steel grade | Chemical composition,% | ||||||||
C | Si | Mn | P | S | Cr | Ni | V | Al | |
≤ ≥ | |||||||||
C20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.250 | 0.250 | / | / |
CK45 | 0.42-0.5 | 0.17-0.37 | 0.5-0.8 | 0.025 | 0.020 | 0.250 | 0.300 | / | / |
Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.030 | 0.250 | 0.080 | / |
Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.030 | 0.030 | 0.250 | 0.250 | 0.150 | 0.015 |
E355(ST52) | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | 0.250 | 0.250 | / | / |
SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.6-0.9 | 0.040 | 0.050 | / | / | / | / |
4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.040 | 0.040 | 0.80-1.10 | / | / | / |
4140 | 0.36-0.43 | 0.15-0.35 | 0.75-1.00 | 0.040 | 0.040 | 0.80-1.10 | / | / | / |
Mechanical Property: | ||||||
Delivery condition | cold finished(hard)(BK) | Cold drawn and stress-relieved(BK+S) | ||||
Steel grade | Rm MPa | Elongation A5(%) | Rm MPa | ReH MPa | Elongation A5(%) | |
C20 | ≥550 | ≥5 | ≥520 | ≥375 | ≥15 | |
CK45 | ≥645 | ≥5 | ≥600 | ≥520 | ≥10 | |
Q345B | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |
Q345D | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |
E355(ST52) | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |
SAE1026 | ≥640 | ≥5 | ≥600 | ≥520 | ≥15 |
Tolerance: | ||||||
Tolerance | I.D Tolerance | Tolerance of wall thickness | ||||
Size of I.D | H8 | H9 | H10 | |||
30 | 0.033 | 0.052 | 0.084 |
<120mm(O.D) ±5% ≥120mm up to 210mm ±7.5% >210mm ±10% |
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>30-50 | 0.039 | 0.062 | 0.1 | |||
>50-80 | 0.046 | 0.074 | 0.12 | |||
>80-120 | 0.054 | 0.087 | 0.14 | |||
>120-180 | 0.063 | 0.1 | 0.16 | |||
>180-250 | 0.072 | 0.115 | 0.185 | |||
>250-315 | 0.081 | 0.13 | 0.21 | |||
>315-400 | 0.089 | 0.14 | 0.23 |
Processing form: | ||||||
Processing form | I.D mm | Length | Straightness | I.D tolerance | I.D Roughness (RA) | |
Honed | 40-500 | ≤12M | 0.5-1/1000 | H8-H9 | 0.4-0.8μm | |
SRB | 50-250 | ≤9M | H8 |
0.1-0.4μm |
FAQ: | ||||||||||||
1. Q: Are you trading company or Manufacturer? | ||||||||||||
A: Of course, we are manufacturer. We are in the field of Seamless steel tube for more than 20 years. | ||||||||||||
2. Q: What is your delivery time? | ||||||||||||
A: As normally, it is 25~60 days after you confirm the order. If your order is urgent, we would like to try our best to meet your requests. |
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3. Q: What is your main payment term? | ||||||||||||
A: They are T/T and L/C. Like 30% advance payment via T/T, balance pay after receiving copy BL; 100% irrevocable L/C at sight. If you have any other requests, we can talk to it again. |
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4.Q: What is your main market? | ||||||||||||
A: Southeast Asia, southern Asia, Europe, etc. | ||||||||||||
5. Q: Why we choose you as our supplier? | ||||||||||||
A: All of our clients have reorders from us. Give us one order, you can feel our price, quality, and service. Then, you will know us. |
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