Product Description
Characteristics: Phosphating film and the overall structure of the steel pipe is a tight, with a porous, sealants, coatings and so on can infiltrate into the pores, closely combine with phosphating film, phosphating film with porous coating, uniform is careful, the paint into the pore, increased greatly and improve the coating adhesion and gloss saturation.Application: It is widely used in construction machinery, shipbuilding, precision machinery, hydraulic system and other industries. The surface of phosphating precision seamless steel pipe is especially suitable for spray painting or plastic spraying treatment. The paint surface has strong adhesion, excellent and beautiful effect, and the anti-rust effect is greatly strengthened. Product Parameters
Size
| Outer Diameter 10.3~610 mm |
Wall Thickness 1.24~52.37 mm,Sizes can be customized |
Length Less Than 12 m |
Standard | ASTM A312/304/304L/304H/316/316L/317/321/310/904L |
Usage
| Construction building material, curtain wall bracket, guardrail/handrailing material,petroleum oil and gas transmission, coal, decoration, chemical engineering, food processing, agricultural use, indoor pipeline, water heater, boiler, bathtub etc. |
Technique | Cold Rolled |
Surface Finished | Polishing grit400/grti600/grti800 ect |
Package
| Inner Packing:Caps at both ends, steel strong trips on every bundle, Outer Packing:PE Wrapping outside, Export Standard Packing Method(Bundle with steel strip, steel pallet), shipped with 20' or 40' container or in bulk carrier. As Customers' Request. |
Standard | Grade | C | Si | Mn | s | p | Cr |
GB/T 699 GB/T 3639 GB3077 GB/T1591 GB/T 8163-2023 | 10# | 0.07~0.13 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ |
20# | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ |
35# | 0.32~0.39 | 0.17~0.37 | 0.35~0.65 | ≤0.035 | ≤0.035 | \ |
45# | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | \ |
40Cr | 0.37~0.44 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | 0.08~1.10 |
25Mn | 0.22~0.29 | 0.17~0.37 | 0.70~1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
Q345B | ≤0.20 | ≤o.50 | ≤1.7 | ≤0.035 | ≤0.035 | ≤0.3 |
37Mn5 | 0.30~0.39 | 0.15~0.30 | 1.20~1.50 | ≤0.015 | ≤0.020 | \ |
Standard | Inner Diameter(mm) | Inner Diameter Deviation(mm) |
GB1801-79 | | H7 | H8 | H9 | H10 |
30 | 0~+21 | 0~+33 | 0~+52 | 0~+84 |
30-50 | 0~+25 | 0~+39 | 0~+62 | 0~+100 |
50-80 | 0~+30 | 0~+46 | 0~+74 | 0~+120 |
80-120 | 0~+35 | 0~+54 | 0~+87 | 0~+140 |
120-180 | 0~+40 | 0~+63 | 0~+100 | 0~+160 |
180-250 | 0~+46 | 0~+72 | 0~+115 | 0~+185 |
250-315 | 0~+52 | 0~+81 | 0~+170 | 0~+210 |
315-400 | 0~+57 | 0~+89 | 0~+140 | 0~+230 |
Detailed Photos
Company Profile
WUXI MINGANG METAL PRODUCTS CO., LTD is located in China is economy, industry and shipping center-Wuxi city .The total investment is 30 million RMB.The main products are the series of 200, 300, 400 stainless steel .And this year ,we also start to work on aluminum material.Various size can be produced according to customer is demand.
Our factory also have the equipment for 8K ,NO.4 sheet, hairline sheet and attaching film. Our products have been exported Indonesia, India, Mexico, South Korea, Germany, Israel, Russia and so on. Our material is widely used in home appliances, kitchen supplies, medical equipment, auto parts, decorative tube, industrial pipe, chemical industry, petroleum, boilers, food industry and other industries.We keep pace with the times, constantly consolidate our strength, improve the quality of our products.
Packaging & Shipping

Certifications


FAQ
Q1: What is your terms of payment?
A: 30% T/T as the upfront deposit, 70% before delivery. We will show you the photos of products and package before you pay the balance.
Q2: What is the terms of packing?
A: Generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers' requirement.
Q3: Could you produce according to the samples?
A : Yes, we could customer-made by your samples or technique drawings, we could build the mold and fixtures.
Q4: Could you provide the compliment samples?
A: yes, we could provide the free samples on conditons it is available in stocks, however, the the transportation fee is borne by buyer.
Q5: How could you guarantee your products?
A: Each piece of products is manufactured by certified workshops, inspected by SORUN piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.