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Many kinds of steel products and size chart

Customized Processing Services
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According to your specific demand, provide end-to-end solutions for your specific requirements, such as processing, customization, packaging, and transportation. 

If you have a specific product or project in mind, we recommend reaching out to suppliers, manufacturers, or service providers who specialize in the type of support you need. Providing detailed specifications and expectations for each stage of the process will help ensure that you receive the tailored solutions you're seeking. 

Whether it's custom fabrication, specialized packaging, or logistics support, clearly communicating your needs and expectations will help you find the right partner for your peace of mind.
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Round Steel Pipe Size Chart
DN OD OD (mm) ASTM A53 GRA / B ASTM A795 GRA / B BS1387 EN10255
SCH10S STD SCH40 SCH10 SCH30 SCH40 LIGHT MEDIUM HEAVY
MM INCH MM (mm) (mm) (mm) (mm) (mm) (mm) (mm)
15 1/2” 21.3 2.11 2.77 - 2.77 2 2.6 -
20 3/4” 26.7 2.11 2.87 2.11 2.87 2.3 2.6 3.2
25 1” 33.4 2.77 3.38 2.77 3.38 2.6 3.2 4
32 1-1/4” 42.2 2.77 3.56 2.77 3.56 2.6 3.2 4
40 1-1/2” 48.3 2.77 3.68 2.77 3.68 2.9 3.2 4
50 2” 60.3 2.77 3.91 2.77 3.91 2.9 3.6 4.5
65 2-1/2” 73 or 76 3.05 5.16 3.05 5.16 3.2 3.6 4.5
80 3” 88.9 3.05 5.49 3.05 5.49 - - -
80 3” 88.9 3.05 5.74 3.05 5.74 3.2 4 5
100 4” 114.3 3.05 6.02 3.05 6.02 3.6 4.5 5.4
125 5” 141.3 3.4 6.55 3.4 6.55 - 5 5.4
150 6” 168.3 or 165 3.4 7.11 3.4 7.11 - 5 5.4
200 8” 219.1 3.76 8.18 4.78 7.04 - - -
250 10” 273.1 4.19 9.27 4.78 7.8 - - -
Square and Rectangular Steel Pipe Size Chart
Square Hollow Section Rectangular Hollow Section Thickness
20*20  25*25  30*30 20*40  30*40 1.2-3.0
40*40  50*50 30*50  25*50  30*60  40*60 1.2-4.75
60*60   50*70  40*80 1.2-5.75
70*70  80*80  75*75  90*90  100*100 60*80  50*80  100*40  120*80 1.5-5.75
120*120  140*140  150*150 160*80  100*150  140*80  100*180  200*100 2.5-10.0
160*160  180*180  200*200 200*150  250*150 3.5-12.0
250*250  300*300  400*200  350*350  350*300 250*200  300*200  350*200  350*250  450*250  400*300  500*200 4.5-15.75
400*400  280*280  450*300  450*200 400*350  400*250  500*250  500*300  400*600 5.0-20.0
Cold Rolled Steel Pipe Outside Diameter
ROUND SECTION SQUARE SECTION RECTANGULAR SECTION OVAL SECTION
11.8, 13, 14, 15, 16, 17.5, 18, 19 10x10, 12x12, 15x15, 16x16, 17x17, 18x18, 19x19 6x10, 8x16, 8x18, 10x18, 10x20, 10x22, 10x30, 11x21.5, 11.6x17.8, 12x14, 12x34, 12.3x25.4, 13x23, 13x38, 14x20, 14x42, 15x30, 15x65, 15x88, 15.5x35.5, 16x16, 16x32, 17.5x15.5, 17x37, 19x38, 20x30, 20x40, 25x38, 25x30, 25x40, 25x50, 27x40, 30x40, 30x50, 30x60, 30x70, 30x90, 35x78, 40x50, 38x75, 40x60, 45x75, 40x80, 50x100 9.5x17, 10x18, 10x20, 10x22.5, 11x21.5, 11.6x17.8, 14x24, 12x23, 12x40, 13.5x43.5, 14x42, 14x50, 15.2x23.2, 15x30, 15x22, 16x35, 15.5x25.5, 16x45, 20x28, 20x38, 20x40, 24.6x46, 25x50, 30x60, 31.5x53, 10x30
20, 21, 22, 23, 24, 25, 26, 27, 27.5, 28, 28.6, 29 20x20, 21x21, 22x22, 24x24, 25x25, 25.4x25.4, 28x28, 28.6x28.6
30, 31, 32, 33.5, 34, 35, 36, 37, 38 30x30, 32x32, 35x35, 37x37, 38x38
40, 42, 43, 44, 45, 47, 48, 49 40x40, 45x45, 48x48
50, 50.8, 54, 57, 58 50x50, 58x58
60, 63, 65, 68, 69 60x60
70, 73, 75, 76 73x73, 75x75
Coupler
Coupler Standard Type Craft Type Outer Diameter
double coupler British(BS) Drop Forged 48.3mm
swivel coupler British(BS) Drop Forged 48.3mm
putlog coupler British(BS) Drop Forged 48.3mm
girder coupler British(BS) Drop Forged 48.3mm
swivel girder coupler British(BS) Drop Forged 48.3mm
borad retaining coupler British(BS) Drop Forged 48.3mm
half coupler British(BS) Drop Forged 48.3mm
sleeve coupler British(BS) Drop Forged 48.3mm
inner jiont pin coupler British(BS) Drop Forged 48.3mm
ladder coupler British(BS) pressed 48.3mm
limpet coupler British(BS) pressed 48.3mm
double coupler British(BS) pressed 48.3mm
swivel coupler British(BS) pressed 48.3mm
putlog coupler British(BS) pressed 48.3mm
borad retaining coupler British(BS) pressed 48.3mm
half coupler British(BS) pressed 48.3mm
sleeve coupler British(BS) pressed 48.3mm
inner jiont pin coupler British(BS) pressed 48.3mm
double coupler 110° JIS pressed 48.6mm
double coupler 60*60 JIS pressed 60mm
swivel coupler 110° JIS pressed 48.6mm
swivel coupler 48*60 JIS pressed 48.6*60.5mm
beam clamp JIS pressed 48.6mm
inner jiont pin coupler JIS pressed 48.6mm
double coupler 90° Korea pressed 48.6mm
swivel coupler 90° Korea pressed 48.6mm
double coupler German Drop Forged 48.3mm
swivel coupler German Drop Forged 48.3mm
double coupler Italian pressed 48.3mm
swivel coupler Italian pressed 48.3mm


Steel Prop
Steel Prop
Adjustable Spanish Type Steel Prop
Adjustable Height Inner Tube OD Outer Tube OD Tube Thickness Surface Treatment
(mm) (mm) (mm) (mm)
600-1100 40 48 1.4-2.5 Powder Coated / Electric galvanized / Pre-galvanized / Hot dip galvanized
800-1400 40 48 1.4-2.5
1600-2900 40 48 1.4-2.5
1800-3200 40 48 1.4-2.5
2000-3600 40 48 1.4-2.5
2200-4000 40 48 1.4-2.5
Adjustable Middle East Type Steel Prop
Adjustable Height Inner Tube OD Outer Tube OD Tube Thickness Surface Treatment
(mm) (mm) (mm) (mm)
1600-2900 48 60 1.4-4.0 Powder Coated / Electric galvanized / Pre-galvanized / Hot dip galvanized
1800-3200 48 60 1.4-4.0
2000-3600 48 60 1.4-4.0
2200-4000 48 60 1.4-4.0
2800-5000 48 60 1.4-4.0
3500-6000 48 60 1.4-4.0
Adjustable Italian Type Steel Prop
Adjustable Height Inner Tube OD Outer Tube OD Tube Thickness Surface Treatment
(mm) (mm) (mm) (mm)
1600-2900 48 56 1.4-2.5 Powder Coated / Electric galvanized / Pre-galvanized / Hot dip galvanized
1800-3200 48 56 1.4-2.5
2000-3600 48 56 1.4-2.5
2200-4000 48 56 1.4-2.5
Heavy Duty Cast Nut Steel Prop
Adjustable Height Outer Tube Inner Tube Top & Base Plate Unit Weight
(mm) (mm) (mm) (mm) (kg/pc)
1700-3000 60 x 1.8 48 x 1.8 120 x 120 x 4 8.5
2000-3600 60 x 1.8 48 x 1.8 120 x 120 x 4 9.7
2200-4000 60 x 1.8 48 x 1.8 120 x 120 x 4 10.7
Middle Duty Cup Nut Steel Prop
Adjustable Height Outer Tube Inner Tube Top & Base Plate Unit Weight
(mm) (mm) (mm) (mm) (kg/pc)
1700-3000 56 x 1.8 48 x 1.8 120 x 120 x 4 8.8
2000-3600 56 x 1.8 48 x 1.8 120 x 120 x 4 10.3
2200-4000 56 x 1.8 48 x 1.8 120 x 120 x 4 11
Light Duty Cup Nut Steel Prop
Adjustable Height Outer Tube Inner Tube Top & Base Plate Unit Weight
(mm) (mm) (mm) (mm) (kg/pc)
1700 - 3000 48 x 1.8 40 x 1.8 120 x 120 x 4 7.5
2000 - 3600 48 x 1.8 40 x 1.8 120 x 120 x 4 8.5
2200 - 4000 48 x 1.8 40 x 1.8 120 x 120 x 4 9.4
Steel Props Tripod
Fitting Diameter Thickness Length Supporting Height
(mm) (mm) (mm) (mm)
Supporting Base 60 5 137 680 or 800
Fixed Pedestal 30 8 325
Removable Pedestal 30 8 334
Brace Pipe 32 1.8 462
Pipe with Hook 48 3 80
Hook 60 6 225
Supporting Leg 25 1.8 1015
Stabilized Leg 25 1.8 1005
Surface Treatment Painted or Electro Galvanized
Steel Props Tripod
Delivery Guarantee
After the contract is signed and the payment is completed, we assure that the delivery time will be 100% according to the contract except force majeure (natural disasters, national policies, etc.).
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