ERW welding round pipes_Electric Resistance Welded Pipes
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15CrMoG seamless alloy round steel pipe /15CrMo seamless steel pipe
Alloy seamless steel tube for its high temperature resistance, low temperature resistance, corrosion resistance has huge advantage over other seamless steel tubes, so the alloy tube are widely used in petroleum, chemical, electric power, boiler and other industries.
Product description
| Standard |
GB5310-95 GB9948-88 ASTMA335/A335M ASTMA213/213M DIN17175-79 JISG3467-88 JISG3458-88 |
| Material |
Cr5Mo.(P5.STFA25.T5) 15CrMo(P11,P12,STFA22) 13CrMo44 12Cr1MoV P22(10CrMo910) T91,P91,P9,T9 WB36 |
| Steel grade: | T2/T5/T5b/T5c/T9/T11/T17/T21/T22/T23/T24/T36/T91/T92/T122/T911 |
| Size: |
Outer Diameter (OD): 1/8''-48'' or DN6-DN1200 or 10.3mm-1219mm Wall Thickness (WT): SCH10-SC160 or STD, XS, XS or 1.73mm-59.54mm Length: 1) Single Random Length: 16ft-22ft/4.8m-6.7m 2) Double Random Length: 22ft-35ft/6.7m-10.7m 3) Fixed Length: 16ft-41ft/4.8-12.5m 4) As per your requirements. |
| Technique: |
Cold Drawn, Hot Rolled. |
| Applications: |
petroleum chemical electric power high-pressure resistant high temperature resistant low temperature resistant corrosion resisting of boiler industry, etc. |
| Grade | 15CrMo steel chemical composition (mass fraction) ( % ) | ||||||||
|
|
C | Mn | Si | Cr | Mo | Ni | Nb + Ta | S | P |
| 15CrMo | 0.12 ~ 0.18 | 0.40 ~ 0.70 | 0.17 ~ 0.37 | 0.80 ~ 1.10 | 0.40 ~ 0.55 | ≤0.30 | _ | ≤0.035 | ≤0.035 |
| Grade | Tensile strength MPa | Yield point MPa | Elongation ( % ) |
| 15CrMo steel pipe | 440 ~ 640 | 235 | twenty one |
| 15CrMo steel pipe GB9948 stress allowable standards | ||||||||||||
| Steel number | Wall thickness ( mm) | In the following temperature ( deg.] C ) under the allowable stress ( Mpa) | ||||||||||
| ≤ 20 | 100 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 525 | 550 | ||
| 12CrMo | ≤ 16 | 128 | 113 | 101 | 95 | 89 | 83 | 77 | 74 | 71 | 50 | --- |
| 15CrMo | ≤ 16 | 147 | 132 | 116 | 110 | 101 | 95 | 89 | 86 | 83 | 58 | 37 |
| 15CrMo steel pipe in the GB6479 standard allowable stress | ||||||||||||
| Steel number | Wall thickness ( mm) | In the following temperature ( deg.] C ) under the allowable stress ( Mpa) | ||||||||||
| ≤ 20 | 100 | 200 | 300 | 400 | 450 | 500 | 525 | 550 | 575 | 600 | ||
| 12CrMo | ≤ 16 | 128 | 113 | 101 | 89 | 77 | 74 | 71 | 50 | - | - | - |
| 17 ~ 40 | 122 | 110 | 98 | 86 | 74 | 71 | 68 | 50 | - | - | - | |
| 15CrMo | ≤ 16 | 147 | 132 | 116 | 101 | 89 | 86 | 83 | 58 | 37 | - | - |
| 17 ~ 40 | 141 | 126 | 110 | 95 | 86 | 83 | 79 | 58 | 37 | - | - | |
ERW welding round pipes also are called as Electric Resistance Welded Pipes.This type of steel pipes and tubes are widely used in various fields such as engineering purposes, fencing, scaffolding, line pipes etc. ERW steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes.
| Outer Diameter | 20~610mm |
| Wall Thickness | 0.95~17.75mm |
| Length | 3-12M according to client requirement |
| Standard |
EN10025, EN10219, EN10210, EN39, BS1387, ASTM A53, ASTM A500, ASTM A36, API 5L, ISO 65 JIS G3444,DIN 3444, ANSI C80.1, AS 1074, GB/T 3091 |
| Material |
Gr.A, Gr.B, Gr.C, S235, S275, S355, A36, SS400, Q195, Q235, Q345 |
| Certificate | ISO 9001:2008,SGS, BV, CCIC etc |
| Finish of pipe |
Hot dipped galvanized with zinc 220~260g/m2; Painted with black/varnish lacquer; Oil on the surface to prevent rust; Bare pipe without painting: Epoxy painting/FBE coating/3PE coating |
| Pipe End |
Plain end/ Bevel end; Threaded on two ends, one end with coupling, one end with plastic cap |
| Marking | As per client requirement or mill standard |
| Packing |
OD not less than 273mm: Loose packing,piece by piece. OD less than 273mm: In hexagonal seaworthy bundles packed by steel strips. small sizes nested into big sizes. |
| Applications |
Construction / building materials steel pipe Scaffolding pipe Fence post steel pipe Fire protection steel pipe Greenhouse steel pipe Low pressure liquid, water, gas, oil, line pipe Irrigation pipe Handrail pipe |
| Techinical | ERW (high - frequency welded) |
| Trade Term | FOB, CFR, CIF, EXW, FCA |
| Payment Term | T/T, LC |
| Delivery Time | 15-45 days (based on quantity) after receiving advanced payment by T/T or LC . |
| Main Market |
Southeast Asia, South Asia, Middle East, Europe, Middle&South America, Africa and Oceania |
Detailed Specifications:
| Outside Diameter | Wall Thickness | ||
| DN | Inch | mm | mm |
| 15 | 1/2" | 20~21.3 | 0.95~2.77 |
| 20 | 3/4" | 25~26.9 | 1.1~2.87 |
| 25 | 1" | 32~33.7 | 1.1~4.0 |
| 32 | 1 1/4" | 40~42.4 | 1.1~4.0 |
| 40 | 1 1/2" | 47~48.3 | 1.5~7.0 |
| 50 | 2" | 58~60.3 | 1.8~7.0 |
| 65 | 2 1/2" | 73~76.1 | 2.0~7.0 |
| 80 | 3" | 87~88.9 | 2.2~8.0 |
| 90 | 3 1/2" | 101.6~102.1 | 2.2~9.0 |
| 100 | 4" | 113~114.3 | 2.2~9.0 |
| 125 | 5" | 140~141.3 | 2.5~10.0 |
| 150 | 6" | 165~168.3 | 2.5~10.0 |
| 200 | 8" | 216~219.1 | 2.75~12.0 |
| 250 | 10" | 272.8~273.2 | 5.0~13.75 |
| 300 | 12" | 323.8~325 | 5.5~13.75 |
| 350 | 14" | 355.6~356 | 5.5~13.75 |
| 400 | 16" | 406~406.4 | 5.75~13.75 |
| 450 | 18" | 457~457.2 | 5.75~17.75 |
| 500 | 20" | 507.9~508.1 | 5.75~17.75 |
| 600 | 24" | 609~610 | 5.75~17.75 |
ERW round pipes processing
ERW pipe surface treatment
Packing & Shipping
Packaging--- we have four kinds of packing for meeting your request.
No.1. in bundle with 8-9 steel strips for small outer diameter of pipe.
No.2. Wrapped the bundle with water-proof cloth and then bundled by steel strips, and with the nylon lifting belts at both ends.
No.3. Loose package for the big outer diameter of pipe.
No.4. Packaging as per customer's requirement.
Shipping--- by container (Apply to a few or common quantity) or in bulk ( Apply to huge quantity)
Container sizes:
20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)
For 20feet container load 25tons-28tons pipes,max. length is 5.8m.
For40feet container load 25tons-26tons pipes,max. length is 12m.
Other options are available based on customer requests. Please discuss when placing orders.
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