- Overview
- Product Parameters
- Company Profile
- Packaging & Shipping
- Certifications
- Main Export Markets
Basic Info.
Product Description
Carbon and Alloy Seamless Steel Pipe for Mechanical Engineering
Steel Grade:ASTM A519 4012,4042,4130,4140,4142
Including tubes for seamless hot rolling machinery and cold drawing machines, circular steel tubes with corresponding wall thickness up to 508 mm in maximum outer diameter
Steel tube shapes include: circular, square, rectangular and other special cross-section types
Products are widely used in petroleum, chemical industry, construction, bridge, textile printing and dyeing, machinery and hardware, medical treatment, decoration, shipbuilding and other heavy industries.
ASTM 519-96 Seamless Steel Pipes of Carbon Steel and Alloy Steel for Mechanical Engineering | ||||||||||||||
Grade and smelting analysis(%) | Grade | C | Mn | p | s | |||||||||
1010 | 0.08-0.13 | 0.30-0.60 | <=0.040 | <=0.050 | ||||||||||
1018 | 0.15-0.20 | 0.60-0.90 | <=0.040 | <=0.050 | ||||||||||
1020 | 0.18-0.23 | 0.30-0.60 | <=0.040 | <=0.050 | ||||||||||
1035 | 0.32-0.38 | 0.60-0.90 | <=0.040 | <=0.050 | ||||||||||
1045 | 0.43-0.50 | 0.60-0.90 | <=0.040 | <=0.050 | ||||||||||
outside diameter tolerance | Heat pipe: D<76.17mm D≥76.20-114.27mm D≥114.3-152.37mm D≥152.40-190.47mm D≥190.50-228.57mm D≥228.60-273.05 |
±0.51 ±0.64 ±0.79 ±0.94 ±1.14 ±1.27 | ||||||||||||
Note: 1. the above deviation is not suitable for normalizing, tempering or quenching and tempering of steel pipes. the general size of the heat pipe is outer diameter: 38.1-273.0mm wall thickness is equal to 3%D (minimum 2.41mm). 3.The outer diameter deviation of the larger size steel pipe is determined by the supplier and the buyer. | ||||||||||||||
Wall thickness deviation | Heat pipe | D≤76.17mm | D≥76.20-152.37mm | D≥152.4-273.05mm | ||||||||||
S/D<15% | ±12.5% | ±10% | ±10.0% | |||||||||||
S/D≥15% | ±10.0% | ±7.5% | ±10.0% | |||||||||||
S≤5.05mm | Consultation between the two sides | Consultation between the two sides | Consultation between the two sides | |||||||||||
Cold tube | Inner diameter d≤1.499in | Inner diameter d≥1.500in | ||||||||||||
S/D≤25% | ±10.0% | ±7.5% | ||||||||||||
S/D>25% | ±12.5% | ±10.0% | ||||||||||||
Fixed length deviation | L>3.0-7.3m +4.8-0mm L>7.3m increases 3M, plus +3mm, but maximum +17.5mm. | |||||||||||||
Bending degree | For d≤127mm and s/d>3%, the curvature is ≤0.83mm/m 203.24% of curvature of < 1.67mm / m | |||||||||||||
Coating | 1. When specified, the steel pipe prior to shipment should be greased to prevent corrosion | |||||||||||||
surface quality | No folding, cracks, cracks and other defects are allowed to support inspection. | |||||||||||||
Steel pipe supply status
Supply status of ASTM A519 | |
heat treatment | Sizing method |
A annealing | HF thermal forming |
N normalizing | CW cold working |
QT quenching and tempering | RT rough car |
SR stress removal or complete annealing | G grinding |
Tests we apply to the tubes:
1. Chemical composition analysis
2. Mechanical properties (tensile strength, yield strength, elongation, hardness)
3. Technological test (flattening test, flaring test, bending test, hydraulic pressure test)
4. Surface quality detection
5. Eddy-current examination
6. Visual test
Applications:
1. Low and middle pressure fluid transportation pipeline
2. Casing pipe
3. Low and medium pressure boiler seamless steel pipe
4. High pressure boiler seamless steel pipe
5. Carbon seamless steel pipe for ship
6. Seamless steel pipe used in high pressure chemical fertilizer equipment
7. Petroleum and natural gas industry
8. Steel pipe for heat exchanger
9. Used for diesel engine
10. Chemical industry, building industry, environment industry and more
Delivery condition: hot rolled, annealed, normalized, quenched and tempered
Packaging:
1. Bundle packing
2. Beveled end or plain end or varnished as per buyer's required
3. Marking: as per customer's requests
4. Painting varnish coating on the pipe
5. Plastic caps at ends
Delivery lead time: with 15-30 days after full payment received
Our services: third party inspection accepted such as SGS, BV
Lead time 10-15 days | 80% of output for export
Shaanxi Jiade Import & Export is one of the leading professional steel pipes and pipe fitting suppliers, established in 1991 and charge of the export business. We have more than 30 years' experience in manufacturing, distributing, processing, and exporting hot rolled and cold drawn seamless, ERW, EFW, HFW, LSAW, DSAW, and SSAW pipes boiler tubes, heat-exchanger tubes, condenser tubes, super-heater tubes, hydraulic honed tubes, mechanical tubes, structural tubes, line pipes, elbows, tees, reducers, and flanges. We mainly export products to Africa, Asia, Europe, Oceania, and North and South America.
Supported by Machines and Equipment
All our products are manufactured with the latest manufacturing techniques with machines and equipment, which are fitted with the highest technology, to provide products in full conformity with international standards.
Meeting Inspection and Approval Certificates
We have passed the Mill Test certificate, C/W certificate (Calibration works certificate) EN 10204 3.1, DIN 50049 3.1, ISO 10474 3.1, NACE MR-0103/NACE MR-0175/ISO 15156, PED-97/23/EC, AD-2000-WO, with 3.2 certificates duly certified and approved by LRS, GL, BV, DNV, ABS, SGS, TUV, RINA, IRS, NORSOK and more.
Customized Service
We provide product customization services such as shot blasting, precision pipe cutting, cut and roll grooving, custom pipe fabrication, pipe threading, pipe beveling, and coating. They are also approved by Third Party inspection agencies like DNV, BV, SGS, Moody, TuV, ABS, LR, GL, PED, RINA, KR, NKK, AIB-VINEOTTE, CEIL, VELOSI, CCSI, and more. We supply for PetroVietnam, WSF, YPFB, AWH, HMC, PTT, EP PetroEcuador, POD, KNPC, and more.
Establishing Friendly Partnership
Our mission is whether our clients are active in the oil and gas, water supply line, or construction, we endeavor to deliver the highest quality products and value-added services to support our clients' business. We pursue a win-win situation and long-term cooperative relationships with customers, providing specializing service for the old and new customers with better and more economical results.
Shipping Information
| FOB Port | Tianjin | ||||
|---|---|---|---|---|---|
| Weight per Unit | 1500.0 Kilograms | ||||
| HTS Code | 7304.41.90 00 | ||||
| Export Carton Dimensions L/W/H | 11.8 x 1.0 x 0.8 Meters | ||||
| Lead Time | 15-30 days | ||||
|---|---|---|---|---|---|
| Dimensions per Unit | 11.8 x 1.0 x 0.8 Meters | ||||
| Units per Export Carton | 25.0 | ||||
| Export Carton Weight | 1500.0 Kilograms | ||||
