Stainles steel 400 series pipes are of high hardness and strength compared with 300 series.This Feature determines the 400 series pipe need special technology in the production.Usually the production period of 400 seroes pipe need 30-35 days.
Standard: AISI, ASTM, DIN, EN, GB and JIS ASTM A268
Production process: cold drawing and precision rolling
Outer diameter: 6 to 720mm, 1/8 to 36 inches
Wall Thickness: 0.89 to 60mm
Length: 1~14 meters or customized
Applications: seawater environment, petrochemical, fertilizer, oil refining, oil and natural gas, light/food, paper pulp and making paper, energy and environmental-protection industry
Packing: plastic polybag, wooden case or bundle
| Type | Grade | Grade | Chemical Component % |
| C | Cr | Ni | Mn | P | S | Mo | Si | Cu | N | Other |
| 409 | 3cr12 | ≤0.08 | 10.50-11.75 | ≤0.5 | ≤1.00 | ≤0.045 | ≤0.030 | - | ≤1.00 | - | - | Ti(6C-0.75%) |
| 409L | 3cr12 | ≤0.03 | 10.50-11.75 | ≤0.5 | ≤1.00 | ≤0.045 | ≤0.030 | - | ≤1.00 | - | - | Ti(6C-0.75%) |
| 410L | 00Cr12 | ≤0.030 | 11.00-13.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
| 430 | 1Cr17 | ≤0.12 | 16.00-18.00 | 3) | ≤1.25 | ≤0.035 | ≤0.030 | - | ≤0.75 | - | - | - |
| 430F | Y1Cr17 | ≤0.12 | 16.00-18.00 | 3) | ≤1.00 | ≤0.035 | ≥0.15 | 1) | ≤1.00 | - | - | - |
| 434 | 1Cr17Mo | ≤0.12 | 16.00-18.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | 0.75-1.25 | ≤1.00 | - | - | - |
| 447J1 | 00Cr30Mo2 | ≤0.010 | 28.50-32.00 | - | ≤0.40 | ≤0.035 | ≤0.030 | 1.50-2.50 | ≤0.40 | - | ≤0.015 | - |
| XM27 | 00Cr27Mo | ≤0.010 | 25.00-27.50 | - | ≤0.40 | ≤0.035 | ≤0.030 | 0.75-1.50 | ≤0.40 | - | ≤0.015 | - |
| Martensite stainless steel | 403 | 1Cr12 | ≤0.15 | 11.50-13.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤0.50 | - | - | - |
| 410 | 1Cr13 | ≤0.15 | 11.50-13.50 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
| 405 | 0Cr13 | ≤0.08 | 11.50-13.50 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
| 416 | Y1Cr13 | ≤0.15 | 12.00-14.00 | 3) | ≤1.25 | ≤0.035 | ≥0.15 | 1) | ≤1.00 | - | - | - |
| 410J1 | 1Cr13Mo | ≤0.08-0.18 | 11.50-14.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | 0.30-0.60 | ≤0.60 | - | - | - |
| 420J1 | 2Cr13 | 0.16-0.25 | 12.00-14.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
| 420J2 | 3Cr13 | 0.26-0.35 | 12.00-14.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | - | ≤1.00 | - | - | - |
| 420F | Y3Cr13 | 0.26-0.40 | 12.00-14.00 | 3) | ≤1.25 | ≤0.035 | ≥0.15 | 1) | ≤1.00 | - | - | - |
| 3Cr13Mo | 0.28-0.35 | 12.00-14.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | 0.50-1.00 | ≤0.80 | - | - | - |
| 4Cr13 | 0.36-0.45 | 12.00-14.00 | 3) | ≤0.80 | ≤0.035 | ≤0.030 | - | ≤0.60 | - | - | - |
| 431 | 1Cr17Ni2 | 0.11-0.17 | 16.00-18.00 | 1.50-2.50 | ≤0.80 | ≤0.035 | ≤0.030 | - | ≤0.80 | - | - | - |
| 440A | 7Cr17 | 0.60-0.75 | 16.00-18.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | 4) | ≤1.00 | - | - | - |
| 440B | 8Cr17 | 0.75-0.95 | 16.00-18.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | 4) | ≤1.00 | - | - | - |
| 9Cr18 | 0.90-1.00 | 17.00-19.00 | 3) | ≤0.80 | ≤0.035 | ≤0.030 | 4) | ≤0.80 | - | - | - |
| 440C | 11Cr17 | 0.95-1.20 | 16.00-18.00 | 3) | ≤1.00 | ≤0.035 | ≤0.030 | 4) | ≤1.00 | - | - | - |
| 440F | Y11Cr17 | 0.95-1.20 | 16.00-18.00 | 3) | ≤1.25 | ≤0.035 | ≥0.15 | 4) | ≤1.00 | - | - | - |
| 9Cr18Mo | 0.95-1.10 | 16.00-18.00 | 3) | ≤0.80 | ≤0.035 | ≤0.030 | 0.40-0.70 | ≤0.80 | - | - | - |
| 9Cr18MoV | 0.85-0.95 | 17.00-19.00 | 3) | ≤0.80 | ≤0.035 | ≤0.030 | 1.00-1.30 | ≤0.80 | - | - | V0.07-0.12
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1. We have professional production line.
2. We have professional certification and test report.
3. We have large amount of stock.
