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Decorative Polished Stainless Steel Pipe Mirror 6K 8K Surface AISI SS 304 304L 316 316L

Decorative Polished Stainless Steel Pipe Mirror 6K 8K Surface AISI SS 304 304L 316 316L
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Product: 316L Stainless Steel Pipe
Grade: 304, 304L, 316, 316L
Surface: 6K/8K/ Mirror
C: Max 0.08%
Cr: 16%-18%
Ni: 10%-14%
Thickness: 0.3mm ~ 10mm
OD: 1mm ~ 800mm
Length: Max 12m
High Light:

stainless steel seamless pipe


seamless steel pipe

Basic Infomation
Place of Origin: CHINA
Brand Name: HAOSTEEL
Certification: ISO9001
Model Number: HS316 316L
Payment & Shipping Terms
Packaging Details: Woven bags and plastic strips inside packing, wooden / iron pallet and steel strips outside packing.
Delivery Time: 5-10 working days after order confirmed and receive deposit
Supply Ability: 5000tons per month
Product Description

Decorative Polished Stainless Steel Pipe Mirror Surface AISI SS 304 304L 316 316L




Welded steel pipe is referred to as welded pipe, and the steel pipe is usually welded after the unit and the

die are formed by crimping. The welded steel pipe has simple production process, high production efficiency, many varieties and specifications, and low equipment investment, but the general strength is lower than that of seamless steel pipe. Since the year 1930, with the rapid development of high-quality strip continuous rolling production and the advancement of welding and inspection technology, the quality of welded joints has been continuously improved, and the variety specifications of welded steel pipes are increasing, and in more and more fields, especially in Heat exchangers, spare tubes, decorative tubes, medium and low pressure fluid tubes, etc. instead of seamless steel tubes


Standard ASTM A554/EN10296-2:

Material grade: 201, 202, 304, 304L, 316, 316L
Dia: 6 ~ 1185mm.
Thk: 0.6 ~ 3.0mm.

Welding process: argon arc welding, plasma high frequency welding

Inspection method: appearance inspection, composition analysis

Surface type:

A. mirror 6K, 8K, bright surface (400---600#) light;

B. sand surface: sand number (180#, 240#, 320#), sand pattern (round sand, straight sand);

C. not Processing plain surface: stainless steel cold rolled bright surface.


Chemical composition:

Grade% C Mn P S Si Cr Ni Mo N
201 0.15 8.0-10.5 0.060 0.030 1.00 13.5-16.0 3.00 / 0.20
304 0.08 2.00 0.045 0.030 0.75 18.0-20.0 8.0-10.5 - 0.10
304L 0.03 2.00 0.045 0.030 0.75 18.0-20.0 8.0-12.0 - 0.10
316 0.08 2.00 0.045 0.030 0.75 16.0-18.0 10.0-14.0 2.0-3.0 0.10
316L 0.03 2.00 0.045 0.030 0.75 16.0-18.0 10.0-14.0 2.0-3.0 0.10


Tolerance of OD and Thk.

ASTM A554 Tolerance OD(mm) Tolerance(mm) WT Tolerance
OD ≤ 12.7 ±0.10 ± 10%
12.7 < OD ≤ 25.4 ±0.13
25.4 < OD ≤ 38.1 ±0.20
38.1 < OD ≤ 50.8 ±0.25
50.8 < OD ≤ 63.5 ±0.30
63.5 < OD ≤ 88.9 ±0.36
88.9 < OD ≤ 127 ±0.51
127 < OD ≤ 190.5 ±0.64
190.5 < OD ≤ 406 Each add 1", Grade ±0.03
Contruction for building, ornamental tubing, etc.
1. Process:
Steel plate>Striping>Forming>Solution>Induction bright heat treatment>Internal and external weld bead treatment>Shaping>Sizing>Vortex detection>Laser diameter measurement>Pickling>Warehousing
2. Features of welded steel pipe:
From the above process, we can easily see that:
First, the product is continuously produced online, the thicker the wall thickness, the greater the investment of the unit and the welding equipment, the less economical and practical it is. The thinner the wall thickness, the lower the input-output ratio. The process of the product determines its advantages and disadvantages.
Generally, the welded steel pipe has high precision and uniform wall thickness, and the brightness of the inner and outer parts of the stainless steel pipe is high (the surface grade of the steel plate is determined). The surface brightness of the steel pipe can be arbitrarily fixed. Therefore, it demonstrates its economy and aesthetics in high-precision, medium- and low-pressure fluid applications.
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