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Wen zhou boxin steel industry Co., Ltd
Add:4102 Yong Qiang Avenue,Longwan District, Wenzhou. China
Tel:+86-577-86927958
Pho:+8618058896089
Fax:+86-577-86927988
E-mail:info@boxinsteel.com
Steel Knowledge
Basic Info
Model NO.: 300series
Technique: Cold Drawn
Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Special Purpose
Size: 1/2′′ - 24′′
Wt: 0.5mm - 30mm
Trademark: SPEZILLA
Specification: ISO
HS Code: 730640000
Type: Welded
Surface Treatment: Galvanized
Section Shape: Round
Od: 6mm - 3000mm
Length: 6m
Transport Package: Bundles, Wooden Boxed
Origin: China
Product Description
300 Series Welded Stainless Steel Tube/PIpe From Factory
Standard: ASTM A312/ASME SA312
Material: 304, 304L, 304H, 310S, 316, 316L, 316H, 316Ti, 321, 321H, 347, 347H
Size: OD(6-1016mm) X WT(1-50mm)
Application: Used in Pipeline for transporting corrosive fluid.
| NPS | ASTM A312 OD Tolerance | |||
| + | - | |||
| inch | mm | inch | mm | |
| 1/8~1 1 / 2 >1 1 / 2 ~4 >4~8 >8~18 >18~26 >26~34 >34~48 | 1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) | 0.4 0.8 1.6 2.4 3.2 4.0 4.8 | 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) | 0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
| NPS | ASTM A312 WT Tolerance ,% | |
| + | - | |
| 1/8-2 1 /2 | 20.0 | 12.5 |
| 3~18,t/D≤5% | 22.5 | 12.5 |
| 3~18,t/D>5% | 15.0 | 12.5 |
| ≥20, welded | 17.5 | 12.5 |
| ≥20, seamless,t/D≤5% | 22.5 | 12.5 |
| ≥20,seamless,t/D>5% | 15.0 | 12.5 |
| Material | ASTM A312 Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^. | ^ |
| TP304H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^ | ^ |
| TP304L | 0.035 D | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-13.0 | ^ | ^ | ^ | ^ |
| TP310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0-26.0 | 19.0-22.0 | 0.75 | |||
| TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316Ti | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | 0.10 | ^ | 5x(C+N)-0.70 |
| TP321 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | ^ | 0.10 | ^ | 5C -0.70 |
| TP321H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 4C -0.60 |
| TP347 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | 10xC-1.00 | ^ | ||
| TP347H | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | ^ | ^ | 8xC-1.00 | ^ |
About us：
We are an available steel trader and supplier in China, which located in Wenzhou city, which have our
own stockiest and Distributor company( Wenzhou Xinshan Metal Co.,ltd, which focus on the stainless
steel pipe and tube business ) In the past years, relying on our strong industry background in China,
our company is widely recognized throughout the industry with the strength of including seamless steel
pipe (alloy steel, carbon steel, duplex steel, stainless steel), welded steel pipe (alloy steel, carbon
steel, duplex steel, stainless steel), ball valve (carbon steel and stainless steel), butterfly valve
(carbon steel and stainless steel), flange (carbon steel and stainless steel), elbow, tee, etc. to more
than 30 countries and areas.
Widely Industries served:
Chemical engineering, petroleum, medicine, food, energy,
nuclear power, aerospace, environmental protection, boiler, gas, food & water, machinery, automobile,
pressure vessels, ship building and so on.
Quality assurance:
Strict quality control at every production stage, Complete test reports for every order.
We accept third party inspection before shipment.
Our Advantages:
Professional and experienced workers, strict supply chain management ensures the fulfillment of
client’s requirements, For High quality, Fast delivery, Competitive price, Better service.
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