● Material: TP304L, TP316L, TP310S, 201, 202, Duplex 31803, etc.
● Standard: ASTM A312, A269, A270, A249, A790, EN10217-7, JIS G3459, etc.
● Package: Wooden case, steel crate, waterproof bag
● Delivery time: as required, usually within 2 months.
● Payment terms: T/T or L/C available.
● Shipping terms: FOB or CFR available.
Request A QuoteBrief introduction:
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1. Material |
201, 304, 316, 310S, 321, etc. |
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S31803, S32750, etc. |
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2. Standard |
ASTM A312, A554, A249, A270. |
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EN 10217-7, JSI 3459 |
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3. Type |
Welded, round & square |
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4. Size range |
OD: from |
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WT:
from |
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Length: fix length or un-fix length |
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5. Produce process |
ERW, TIG |
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6. Surface process |
Pickling and annealing |
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Mill finish, 400 grit, 600 grit polishing, mirror finish |
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Polishing on both ID & OD |
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7. Marking |
EASTECH, SIZE, GRADE, STANDARD, HEAT NO. |
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8. Package |
Bundles with waterproof material outside. |
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Wooden case, steel crate |
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9. Min order quantity |
1000 KG |
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10. Material origin |
TISCO, POSCO, LISCO and BAO STEEL |
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11. Sample |
Yes |
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12. OEM accepted |
Yes |
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13. Payment term |
T/T or L/C. |
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14. Certificate |
ISO 9001, PED |
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15. Third party certificate |
BV, LR, SGS, TUV, etc. |
Dimension Tolerance Scope:
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标准 Standard |
外径(mm) Outside Diameter |
壁厚(mm) Thickness |
长度(mm) Length |
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ASTM A312 |
≤48.3 |
+0.40 / -0.80 |
+未特别规定(Unspecified) -12.5% |
指定长度 Definite cut length +6.4 -0 |
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>48.3~114.3 |
+0.80 / -0.80 |
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>114.3~219.1 |
+1.60 / -0.80 |
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>219.1~457 |
+2.40 / -0.80 |
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>457~660 |
+3.20 / -0.80 |
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JIS G3459 |
<30 |
± 0.3 |
< 2 ±0.2 ≥2 ±10% |
指定长度 Definite cut length |
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≥30 |
±1%(外径基准) |
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GB/T 12771 |
<13 |
±0.2 |
≤4 +0.5 -0.6 >4 ±10%(壁厚基准) |
+20 -0 |
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13~40 |
±0.3 |
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≥40 |
±0.8%(外径基准) |
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EN 10217-7 |
D1 ±1.50% but at least ±0.75mm D2 ±1.00% but at least ±0.50mm D3 ±0.75% but at least ±0.30mm D4 ±0.50% but at least ±0.10mm EN ISO 1127 |
T1 ±15% but at least ±0.60mm T2 ±12.5% but at least ±0.40mm T3 ±7.5% but at least ±0.15mm T4 ±5.0% but at least ±0.10mm EN ISO 1127 |
+10 -0 |
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Stainless steel welded tube
