JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
| Outer diameter | 6-630mm |
| Wall thickness | 0.5-15mm |
| Length | max 25m |
| Section shape | Round |
| Surface treatment | Black |
| Material grade | Carbon Steel / Alloy Steel |
| Delivery condition | BK, BKS, BKW, NBK, GBK |
| Mechanical properties | RmN/mm min: 480-640 |
| Chemical composition | C max: 0.10-0.22, Si max: 0.05-0.55, Mn: 0.40-1.60 |
| Heat treatment | As drawn, quenched, tempered, normalized, annealed |
| Coating | Black painting, anti-rust oiled, varnish |
| Test methods | Hydrostatic, Nondestructive Electric Test |
| Ends | Plain ends, bevel ends |
| Production capacity | 50000kgs |
| Standards | ASTM, DIN, EN, GOST, SAE, JIS |
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Product Specification
| Outer diameter | 6-630mm | Wall thickness | 0.5-15mm |
| Length | max 25m | Section shape | Round |
| Surface treatment | Black | Material grade | Carbon Steel / Alloy Steel |
| Delivery condition | BK, BKS, BKW, NBK, GBK | Mechanical properties | RmN/mm min: 480-640 |
| Chemical composition | C max: 0.10-0.22, Si max: 0.05-0.55, Mn: 0.40-1.60 | Heat treatment | As drawn, quenched, tempered, normalized, annealed |
| Coating | Black painting, anti-rust oiled, varnish | Test methods | Hydrostatic, Nondestructive Electric Test |
| Ends | Plain ends, bevel ends | Production capacity | 50000kgs |
| Standards | ASTM, DIN, EN, GOST, SAE, JIS | ||
| High Light | ASTM SA210C Seamless Steel Pipe ，Cold Drawn Steel Pipe ，High Precision Carbon Steel Tube | ||
| Designation | Symbol | Description |
|---|---|---|
| Cold finished (hard) | BK | Tubes do not undergo heat treatment following final cold forming |
| Cold finished (soft) | BKW | Final heat treatment followed by cold drawing with limited deformation |
| Cold finished and stress-relieved | BKS | Heat treatment applied following last cold forming process |
| Annealed | GBK | Last cold forming process followed by annealing in controlled atmosphere |
| Normalized | NBK | Last cold forming process followed by annealing above upper transformation point |
| Chinese Standard | Steel Grade | American Standard | Steel Grade |
|---|---|---|---|
| GB5310 | 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG | ASTM A106 | GR. A, B, C |
| GB9948 | 10, 20, 12CrMo, 15CMo | ASTM A53 | GR. A, B |
| GB3087 | 10, 20 | ASTM A192, A179, A210, A333, A334, A209 | Various grades |
| Grade | C max | Si max | Mn | P max | S max |
|---|---|---|---|---|---|
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Company Details
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...
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