20 Mnk U-Shaped Steel for Tunnel and Mine Supporting

• Customization: Available
• Type: Carbon Steel Bar, Cold Bending Equal Channel
• Standard: GB, GB
• Model NO.: 20 Mnk
• Composition: Stainless Steel Scrap
• Technique: Welded
• Shape: U Channel, U Channel
• Surface Treatment: Galvanized
• Special Use: High-strength Steel Plate
• Application: Structural Steel Bar
• Perforated: Not Perforated
• Length: 5-12m
• Condition: New
• Brand: China Coal
• Place of Origin: China
• Supply Ability: 1000 Sets Per Month
• Material: 20 Mnk
• Types: 25u, 29u, 36u, 40u
• Weight: 35.87kg/M, 40.05kg/M
• Sectional Area: 45.70cm, 51.02cm
• Wides of Outside Diameter: 171mm(+1.0;-3.0)
• Height(H1): 138(+1.0;-1.5)
• Transport Package: Wooden Case
• Specification: 5t Mechanical Track Jack
• Trademark: chinacoal
• Origin: Shandong, China
• HS Code: 8428909090
• Production Capacity: 10000 PCS Per Month

Product Description

Introduction Of 20 Mnk U-Shaped Steel For Tunnel And Mine Supporting
20 Mnk U-Shaped Steel for Tunnel and Mine Supporting 
Material: 20 Mnk 
Types: 25U, 29U,36U, 40U
Parameter Of 20 Mnk U-Shaped Steel For Tunnel And Mine Supporting

Size	Material	Theoretical weight (kg/m)	cross-sectional area (cm2)	Height	Thickness	Width	Leg thickness
25U	Q275B/ 20Mnk	24.95	31.79	+1.0 120 -1.5	+0.5 15 -1.2	+1.0 130 -3.0	+0.8 6.3 -0.5
29U	Q275B/ 20Mnk	29.00	37.00	+1.0 124 -1.5	+0.5 16 -1.2	+1.0 150.5 -3.0	+0.8 7.2 -0.5
36U	20Mnk	35.87	45.70	+1.0 138 -1.5	+0.5 17 -1.2	+1.0 171 -3.0	+0.8 7.8 -0.5
40U	20Mnk	40.05	51.02	+1.0 149 -1.5	+0.5 20.2 -1.2	+1.0 171 -3.0	+0.8 8.5 -0.5

  
Photos Of 20 Mnk U-Shaped Steel For Tunnel And Mine Supporting