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{"title":"Factory Supply S235JR S355JR Square Tube with Black Surface Treatment Size 40*40","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/b7\/b1955810c8622d5473f345668afd-200x200-1\/factory_supply_s235jr_s355jr_square_tube_with_black_surface_treatment_size_40_2a40_500_2a500.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $650-1,250 \/ Ton","Section Shape":"Square","Size Range":"40*40 - 500*500"}}
{"title":"S355JR Carbon Steel Seamless Square Tube with Black Surface Treatment in 30*30","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/ef\/b47b514f844a1c5f6fd437deec8f-200x200-1\/s355jr_carbon_steel_seamless_square_tube_with_black_surface_treatment_in_30_2a30_500_2a500_sizes.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $650-1,250 \/ Ton","Section Shape":"Square","Size Range":"30*30-500*500"}}
{"title":"Black Surface Galvanized Square Steel Tube 30*30-500*500 for Construction and","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/e5\/70415462ddb53481afb82e500ab1-200x200-1\/black_surface_galvanized_square_steel_tube_30_2a30_500_2a500_for_construction_and_machinery.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $651-985 \/ Ton","Section Shape":"Square","Size Range":"30*30-500*500"}}
{"title":"Low Carbon Seamless Square Steel Pipe with Black Surface Treatment and 30*30-500","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/5d\/e7e879193fd877bb13615e5373a8-200x200-1\/low_carbon_seamless_square_steel_pipe_with_black_surface_treatment_and_30_2a30_500_2a500_size_range.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $652-986 \/ Ton","Surface Treatment":"Black","Section Shape":"Square"}}
{"title":"China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for","imgUrl":"https:\/\/img.chinax.com\/nimg\/3a\/1b\/dd8d4123867ed58b6ca2022440eb-200x200-1\/china_black_surface_treatment_seamless_square_steel_pipe_30_2a30_500_2a500_for_construction_and_machinery.jpg","attrs":{"Minimum Order Quantity":"10 Tons per size","Price":"US $653-987 \/ Ton","Surface Treatment":"Black","Section Shape":"Square"}}
{"title":"Black Surface Treatment Square Steel Tube 10*10 to 400*400 Size Range Factory","imgUrl":"https:\/\/img.chinax.com\/nimg\/13\/74\/feb5c75461aaa1380c96c199cd8c-200x200-1\/black_surface_treatment_square_steel_tube_10_2a10_to_400_2a400_size_range_factory_direct_supply.jpg","attrs":{"Minimum Order Quantity":"10 Tons per size","Price":"US $654-988 \/ Ton","Section Shape":"Square","Size Range":"10*10 to 400*400"}}
Square Pipe Hollow Black Iron S275JR Welded Square Steel Pipe S275JR Welded Steel Pipe
Product Specifications
Item
Specification (mm)
Size
Thickness
Length
Round Pipe
OD310mm - 1000mm
4mm - 30mm
Any length
Square Pipe
10mm×10mm - 1000mm×1000mm
1.2mm - 30.0mm
Rectangle Pipe
20mm×40mm - 400mm×700mm
1.2mm - 30.0mm
L/T/Z Window Section
28mm/38mm
0.5mm - 1.5mm
Product Details
Material: Q195, Q215, Q235, Q345, etc.
Surface: Black or bright, painted or oiled
Packing: Export standard packing (bundles, seaworthy package, shipped in container)
Delivery Port: Shanghai, China
Lead Time: Within 30 days after receiving the original L/C or deposit
MOQ: 10 Tons per size
Production Capacity: 10,000MT per month
Main Markets: Europe, America, Africa, Southeast Asia
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sports equipment, and home furniture.
EN 10025 S355 Steel
S355 steel is a European standard structural steel grade according to EN 10025-2:2004, offering superior properties compared to S235 and S275 steels in yield strength and tensile strength.
S355 Steel Quality Grades
S355JR (1.0045)
S355J0 (1.0553)
S355J2 (1.0577)
S355K2 (1.0596)
Steel Grade Designation Meaning
S: Structural steel
355: Minimum yield strength value for flat and long steel thickness ≤ 16mm
JR: Minimum impact energy value of 27 J at room temperature (20°C)
J0: Minimum impact energy value of 27 J at 0°C
J2: Minimum impact energy value of 27 J at -20°C
K2: Minimum impact energy value of 40 J at -20°C
Technical Data Sheets
Chemical Composition
Standard
Steel
Grade
C
Si
Mn
P
S
Cu
N
Method of Deoxidation
EN 10025-2
S355
S355JR
0.24
0.55
1.60
0.035
0.035
0.55
0.012
Rimmed steel not allowed
S355J0 (S355JO)
0.20
0.55
1.60
0.030
0.030
0.55
0.012
S355J2
0.20
0.55
1.60
0.025
0.025
0.55
-
Fully killed
S355K2
0.20
0.55
1.60
0.025
0.025
0.55
-
Fully killed
Mechanical Properties - Yield Strength
Steel Grade
d ≤ 16mm
16 < d ≤ 40mm
40 < d ≤ 63mm
63 < d ≤ 80mm
80 < d ≤ 100mm
100 < d ≤ 150mm
150 < d ≤ 200mm
200 < d ≤ 250mm
S355JR (1.0045)
355
345
335
325
315
295
285
275
Mechanical Properties - Tensile Strength
Steel Grade
d < 3mm
3 ≤ d ≤ 100mm
100 < d ≤ 250mm
S355JR
510-680
470-630
450-600
Mechanical Properties - Elongation
Steel Grade
3 ≤ d ≤ 40mm
40 < d ≤ 63mm
63 < d ≤ 100mm
100 < d ≤ 150mm
150 < d ≤ 250mm
S355JR
22
21
20
18
17
S355K2
20
19
18
18
17
Product Images
Welcome every old and new customer to come to negotiate and communicate with us.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...