We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
Pipe Type:PE Coated Pipe, 2PE Coated Pipe, 3PE Coated Pipe
Application:Used for for natural gas, petroleum, water & sewage, and pipe systems
Specification:OD: 219mm~2020mm
WT: 5mm~25mm
LENGTH: 4mtr, 6mtr, 12mtr, 18mtr, 21mtr
MOQ: 1 Ton
Coating Standard:DIN 30670, DIN 30671, DIN 30678, SY/T0413-2002 etc.
Pipe Type: Submerged Arc Welded (LSAW/SSAW), Electrci Resistance Welded
Ends:Plain,Beveled, Thread With Couplings Or Sockets; Plastic Caps And Steel Rings Can Be Provided if possible
Surface:Two/Three Layer Polyethylene Coating (2mm~4.5mm)
Packing:Waterproof Paper wrapped, Steel Strips bundled, two tags on each bundle
3PE coating pipe is short for “three layers structure polyethylene anticorrosion coating steel pipe”. There are three layers in this pipe coating structure:
Coating standard:
|
nominal diameter of steel pipe(dn) |
epoxy coating |
adhesive layer |
min thickness of anti-corrosion layer (mm) |
|
|
(mm) |
(a/μm) |
(mm)/um |
general type |
strengthen type |
|
dn≤100 |
≥120 |
≥170 |
1.8 |
2.5 |
|
100 |
/ |
/ |
2 |
2.7 |
|
250 |
/ |
/ |
2.2 |
2.9 |
|
500≤dn<800 |
/ |
/ |
2.5 |
3.2 |
|
dn≥800 |
/ |
/ |
3 |
3.7 |
|
type |
3lpe coated pipe |
|
coating type |
3 layer polyethylene |
|
size range |
25 mm to 3000 mm |
|
lengths limit |
up to 12m |
|
wall thickness |
sch5s to sch160, xxs |
|
connections |
weld and thread |
|
standards |
ansi, jis, din, en, iso. |
|
materials list |
3lpe coated carbon steel pipes 3lpe coated stainless steel pipes 3lpe coated alloy steel pipes 3lpe coated mild steel pipes |
|
specialized in |
3 layer polyethylene coated steel pipes 3lpe seamless api 5l gr a / b pipes lsaw 3lpe steel pipe, api 5l, apl 5ct 3 layer polyethylene coated pipes srl, drl 3lpe coated pipes |
|
3lpe pipe coating layers |
layer 1: fusion bonded epoxy corrosion protective layer. layer 2: copolymer adhesive layer 3: applied for physical protection and consists of polyethylene |
|
life of 3lpe coated pipes |
75 years+ |
|
temperature limits |
-40°c to 80°c |
|
coating thickness |
4.2 mm max |
qualified standard
gb/t3091 welded steel pipe for low pressure liquid delivery
gb/t9711 petroleum and natural gas industries--steel pipe for pipelines
is: 3589 steel tubes for water and sewage
is : 1978-1982:steel tubes for use in transportation of oil; gas & petroleum products
astm a53 standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless
din 2458 welded steel pipes and tubes
en10217 welded steel tubes for pressure purposes. technical delivery conditions.
non-alloy steel tubes with specified room temperature properties
api 5l line pipe
sy/t5037 spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
sy/t 5040 spiral submerged arc-welded steel pipe piles
cj/t 3022 spiral submerged-arc welded steel pipe for municipal heat supply
is : 1978 steel tubes for use in transportation of oil; gas & petroleum products
astm a252 welded and seamless steel pipe piles
coating standard
ansi/awwa c104/a21.4 american national standard for cement-mortar lining for ductile-iron pipe and fittings for water
iso 21809 petroleum and natural gas industries -- external coatings for buried or submerged pipelines used in pipeline transportation systems
din 30670 polyethylen coatings of steel pipes and fittings
|
nominal diameter of steel pipe(dn) |
epoxy coating |
adhesive layer |
min thickness of anti-corrosion layer (mm) |
|
|
(mm) |
(a/μm) |
(mm)/um |
general type |
strengthen type |
|
dn≤100 |
≥120 |
≥170 |
1.8 |
2.5 |
|
100 |
/ |
/ |
2 |
2.7 |
|
250 |
/ |
/ |
2.2 |
2.9 |
|
500≤dn<800 |
/ |
/ |
2.5 |
3.2 |
|
dn≥800 |
/ |
/ |
3 |
3.7 |
|
type |
3lpe coated pipe |
|
coating type |
3 layer polyethylene |
|
size range |
25 mm to 3000 mm |
|
lengths limit |
up to 12m |
|
wall thickness |
sch5s to sch160, xxs |
|
connections |
weld and thread |
|
standards |
ansi, jis, din, en, iso. |
|
materials list |
3lpe coated carbon steel pipes 3lpe coated stainless steel pipes 3lpe coated alloy steel pipes 3lpe coated mild steel pipes |
|
specialized in |
3 layer polyethylene coated steel pipes 3lpe seamless api 5l gr a / b pipes lsaw 3lpe steel pipe, api 5l, apl 5ct 3 layer polyethylene coated pipes srl, drl 3lpe coated pipes |
|
3lpe pipe coating layers |
layer 1: fusion bonded epoxy corrosion protective layer. layer 2: copolymer adhesive layer 3: applied for physical protection and consists of polyethylene |
|
life of 3lpe coated pipes |
75 years+ |
|
temperature limits |
-40°c to 80°c |
|
coating thickness |
4.2 mm max |
qualified standard
gb/t3091 welded steel pipe for low pressure liquid delivery
gb/t9711 petroleum and natural gas industries--steel pipe for pipelines
is: 3589 steel tubes for water and sewage
is : 1978-1982:steel tubes for use in transportation of oil; gas & petroleum products
astm a53 standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless
din 2458 welded steel pipes and tubes
en10217 welded steel tubes for pressure purposes. technical delivery conditions.
non-alloy steel tubes with specified room temperature properties
api 5l line pipe
sy/t5037 spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
sy/t 5040 spiral submerged arc-welded steel pipe piles
cj/t 3022 spiral submerged-arc welded steel pipe for municipal heat supply
is : 1978 steel tubes for use in transportation of oil; gas & petroleum products
astm a252 welded and seamless steel pipe piles
coating standard
ansi/awwa c104/a21.4 american national standard for cement-mortar lining for ductile-iron pipe and fittings for water
iso 21809 petroleum and natural gas industries -- external coatings for buried or submerged pipelines used in pipeline transportation systems
din 30670 polyethylen coatings of steel pipes and fittings
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