● Material: TP304L, TP316L, TP310S, Duplex 31803, etc.
● Standard: ASTM A269, A249, etc.
● Package: Wooden case, steel crate, woven 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, JIS G3459 |
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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. |
ASTM A249 Dimension Tolerance Scope:
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外径(mm) Outside Diameter |
壁厚(mm) Thickness |
长度(mm) Length |
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< 38.1 |
± 0.13 |
OD<12.7, ± 15% OD≥12.7, ± 10% |
+5 / -0 |
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≥ 38.1~88.9 |
± 0.25 |
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≥ 88.9~139.7 |
± 0.38 |
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≥ 139.7~203.2 |
± 0.76 |
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≥ 203.2~304.8 |
± 1.01 |
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≥ 304.8~355.6 |
± 1.26 |
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ASTM A269 Dimension Tolerance Scope:
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外径(mm) Outside Diameter |
壁厚(mm) Thickness |
长度(mm) Length |
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< 25.4 |
± 0.1 |
± 10% |
+5 / -0 |
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≥ 25.4~38.1 |
± 0.15 |
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≥ 38.1~50.8 |
± 0.2 |
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≥ 50.8~63.5 |
± 0.25 |
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≥ 63.5~76.2 |
± 0.3 |
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≥ 76.2~101.6 |
± 0.38 |
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≥ 101.6~190.5 |
+ 0.38 / -0.64 |
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≥ 190.5~228.6 |
+ 0.38 / -1.14 |
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Stainless steel welded pipe
