best products for export 30mm diameter cold drawn seamless steel tube
USD $0.5 - $1.5 /Metric Ton
Min.Order:5 Metric Tons
Yantai Xinpeng Steel Pipe Co., Ltd.
why you choose us ?
1. Free sample can be provided
2. Small order is acceptable
3. Any third party testing is acceptable
4. 12Months quality guarantee
5. Factory price
6.we have various specification seamless steel tube
production details
Production | best products for export 30mm diameter cold darwn seamless steel tube |
Standard | ASTM ,DIN, EN, GB, JIS, AISI ,etc. |
Out Diameter | 30mm-250mm |
Wall Thickness | 2mm-30mm |
Material | 10#-45#,16Mn ,st35-st52,q345,etc. |
Length | 1-12m or as customers required |
Surface treatment | Black painting, black varnish, transparent oil, epoxy coating, etc, or according to the customer’s acquirement |
Technique | Seamless ,DOM |
Usage | 1.hydraulic cylinder 2. automobile 3. oil drilling 4. textile machinery 5. printing machinery 6. engineering machinery |
Package | 1. Bundle packing. 2. Beveled end or plain end or vanished as buyer's required. 3. Marking: as per customer's requests. 4. Painting varnish coating on the pipe. 5. Plastic caps at ends. |
Supply | 1. Seamless steel pipe 2. cold drawn seamless steel tube 3. cold rolled seamless steel tube 4. hot-rolled steel pipe 5.hydraulic cylinder steel tube 6.DOM tube |
Min Order Quantity | According to customer's requirement |
Payment terms | L/C, T/T, |
the tolerance of 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 |
|
the finished products
packaging and delivery
(1)Delivery time: In 20 days or according to client's requires
(2)Trade terms: EXW/FOB/CIF etc
(3)Payments: T/T or L/C or according to client's requires
(4)Port: Yantai or Qingdao
(5)MOQ: 5 metric tons or at customer's demands
(6)Packing: we usually bundle with steel strips ,branding parcel or wooden box outside ,or according to the customer’s acquirement
company information
we are the manufacturer of seamless steel tube in China ,our company eatablished in 1992,so we have more than 20 years experience in the seamless steel tube ,we produces various specification of seamless steel tube such as cold drawn seamless steel tube ,cold rolled seamless steel tube ,hydraulic cylinder steel tube ,hot rolled seamless steel tube ,SRB tube ,honed tube,etc.
our certificate
application
GB/T 8162-2008 Seamless Steel Tubes For Structural Purposes |
GB/T 8163-2008 Seamless Steel Tubes For Liquid Service |
ASTM A53 It is used for conveying water,petrolem,gas and other common fluids. |
ASTM A106 For the purpose of the pipeline project of boiler,water&petroleum. |
API SPCE 5L For the purpose of transportation of gas,water,oill in oil&gas industry. |
API SPEC 5CT Tubing is used in extracting petroleum & natural gas. casing pipe serves as wall of well. |
ASTM A519 Seamless carbon and alloy steel mechanical tubing |
A 179/A179M cold drawn low carbon steel heat exchanger and condenser tubes |
our services
1. Cargo track service during transporting and feedback service after cargo is loaded on board
2. Flexible terms of payment by
3. Big discount for repeat customers
4. Smooth delivering procedure
5. Payment Terms: T/T , L/C And so on