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Model No.: ASTM A312
Brand: TORICH
Standard: ASTM A312, ASTM A262, ASTM A370
Technics: Cold Drawn
Surface: Polishing Or As Customer' Request
Alloy: Non-alloy
Shape: Round Shape
Certification: ISO9001,ISO14001,TS16949
Usage: Boiler, Superheater
OD: 10.29-762.0mm
WT: 1.24-12.7mm
Length: 4.6-7.4m
Packaging: Austenitic Stainless Steel Pipe in wooden boxes or hexagonal bundles in seaworthy packing.
Productivity: 20000 tons/year
Transportation: Ocean,Land,Air
Place of Origin: China (Zhejiang)
Supply Ability: 20000Tons per Year
Certificate: ISO9001,ISO14001,TS16949
Port: Shanghai,Ningbo
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
TORICH ASTMA312 Seamless Heavily Cold Worked Austenitic Stainless SteelPipe
Standard: ASTM A312, ASTM A262, ASTM A370, ASTM A941, ASTM A999/A999M, ASTM A1016/A1016M, E112, E381, ANSI B1.20.1, B36.10, B36.19, AWS A5.9, SAE J1086
Material: TP304H, TP304H, TP309HCb, TP310H, TP310HCb, TP316H, TP347H, TP348H
OD: 10.29-762.0mm
WT: 1.24-12.7mm
Usage: This standard covers seamless austenitic stainless steel pipe for hign-temperature and general corrosive service.
Note: Special steel grade is also available, according to customer request.
Chemical Requirements
| TP304H | TP309H | TP309HCb | TP310H | TP310HCb | TP316H | TP347H | TP348H |
C | 0.04-0.10 | 0.04-0.10 | 0.04-0.10 | 0.04-0.10 | 0.04-0.10 | 0.04-0.10 | 0.04-0.10 | 0.04-0.10 |
Mn | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
P | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 |
S | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0030 |
Si | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Cr | 18.0-20.0 | 22.0-24.0 | 22.0-24.0 | 24.0-26.0 | 24.0-26.0 | 16.0-18.0 | 17.0-19.0 | 17.0-19.0 |
Ni | 8.0-11.0 | 12.0-15.0 | 12.0-16.0 | 19.0-22.0 | 19.0-22.0 | 11.0-14.0 | 9.0-13.0 | 9.0-13.0 |
Mo | - | - | 0.75 | - | 0.75 | 2.00-3.00 | - | - |
Ti | - | - | - | - | - | - | - | - |
Nb | - | - | 10xC min, 1 10 max | - | 10xC min, 1 10 max | - | - | - |
Ta | - | - | - | - | - | - | - | 0.10 |
N | - | - | - | - | - | - | - | - |
V | - | - | - | - | - | - | - | - |
Cu | - | - | - | - | - | - | - | - |
Ce | - | - | - | - | - | - | - | - |
B | - | - | - | - | - | - | - | - |
Al | - | - | - | - | - | - | - | - |
Other | - | - | - | - | - | - | - | - |
Permitted Variations in Wall Thickness
NPS Designator | Over | Under |
1/8 to 2 1/2 incl., all t/D ratios | 20.0 | 12.5 |
3 to 8 incl., t/D up to 5% incl. | 22.5 | 12.5 |
3 to 8 incl., t/D > 5% | 15.0 | 12.5 |
20andlarger, welded,allt/Dratios | 17.5 | 12.5 |
20andlarger, seamless,t/Dupto5%incl. | 22.5 | 12.5 |
20andlarger, seamless,t/D>5% | 15.0 | 12.5 |
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us
Product Categories : Welded Steel Pipe
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.