ASTM A519 1035 Seamless Carbon And Alloy Steel Mechanical Tubing For Hydraulic
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
| Minimum Order Quantity : | 5 Ton | Price : | negotiable |
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| Packaging Details : | Packing in wooden box，hexagonal bundles or other seaworthy ways. | Delivery Time : | 30 days |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 20000 Ton/Year |
| Place of Origin: | Zhejiang China | Brand Name: | TORICH |
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| Certification: | ISO 9001 ISO 14001 TS 16949 | Model Number: | GB 3087 |
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Detail Information |
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| Product Name: | Seamless Steel Tubes For Low And Medium Pressure Boiler GB 3087 | Material: | 10# 20# STB33/42 St35.8 |
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| Surface: | With Anti Rust Oil | Application: | Pipe For Low And Medium Pressure Boiler |
| Shape: | Round | OD: | 3-1200mm |
| WT: | 0.5-200mm | Length: | 4-12.5m |
| High Light: | seamless steel pipe,precision stainless steel tubing |
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Product Description
Seamless Steel Tubes for Low and Medium Pressure Boiler GB 3087
Spec:
Material:10# 20# STB33/42 st35.8
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:4-12.5m
Tolerance:
According to the following tables or customers’ request.
Tolerance of the OD &WT:
OD Tolerance:
| Production Method | OD Tolerance |
| Hot Rolling(Extrusion) | ±1% or ±0.50mm |
| Cold Drawn(Cold Rolled) | ±1% or ±0.30mm |
Tolerance for wall thickness:
1.Wall thickness tolerance of Hot Rolling steel tube:
| Production Method | OD (DN) | WT/OD | Tolerance |
| Extruded tube | ≤102 | / | ±12.5% or ±0.40mm |
| ＞102 | ≤0.05 | ±15% or ±0.40mm | |
| ＞0.05-0.10 | ±12.5% or ±0.40mm | ||
| ＞0.10 |
+12.5% -10% |
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| Heat expanding steel tube | / | ±15% | |
2.Wall thickness tolerance of Cold Drawn(Cold Rolled) steel tube:
| Production Method | WT | Tolerance |
| Cold Drawn(Cold Rolled) steel tube | ≤3 | +15%/-10% or ±0.40mm |
| ＞3 |
+12.5% -10% |
Bending tolerance:
WT≤15mm, Bending≤1.5mm/m
WT＞15mm~30mm, Bending≤2.0mm/m
WT＞30mm/OD≥351mm, Bending≤3.0mm/m
Ovality and Wall unevenness:
The ovality and wall unevenness should be no more than 80% of the OD and wall thickness.(Or according to customer`s request)
Test:
Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Processing:
RAW MATERIAL
↓
INCOMING INSPECTION
↓
STORAGE → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN
↓
ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING
↓
FINAL INSPECTION→BUNDING→STORAGE
Technical Delivery Conditions:Hot rolling with NBK
Widely used in the field of:Boiler pipe
Product Images:
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| TORICH INTERNATIONAL LIMITED |
| Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China |
| 86-574-88086983 |
| sales@steel-tubes.com |