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1.201 304l 316l 321 2205 Stainless Steel Round Pipe Hot Rolled
Since its establishment, the company has been adhering to the "quality of survival, product development, reputation and cooperation, service to win customers" business policy, won the trust of colleagues from all walks of life.Will continue to expand production scale and improve the management level, the introduction and cultivation of talents, and strengthen communication and exchanges with customers, keep sincere cooperation and achieve mutual benefit and win-win with customers.
Technique: | Electrical Resistance Weld (ERW) | ||
Specifications: | OD: 20-219mm WT :1.5-8.0mm Length: 1-12m | SIZE: 20*30-300*650mm WT: 1.5-18.0mm Length: 1-12m | SIZE:20*20-400*400mm wt:1.5-18.0mm Length: 1-12m |
Standard: | BS EN 39, BS 1387, BS EN 10219, API 5L, ASTM A53, ASTM A500, ASTM A795, ISO65, ANSI C80, DIN2440, JIS G3444, GB/T3091 | BS EN 10219 ASTM A500, JIS G3466, GB/T6728 | BS EN 10219 ASTM A500, JIS G3466, GB/T6728 |
Material: | S195, S235, S345/ GRA, GRB/ STK400/ Q195, Q235, Q345, | ||
Surface: | 1. hot dipped galvanized (Zinc coating: 200-600g/m2 ) 2. oiled with PVC wrapped 3. varnished / painted in black or red or other color 4. Anticorrosive coating: 3PE / 3PP / FBE / Epoxy | ||
Pipe Ends: | bevelled ends, or threaded ends, or grooved ends, or plain ends | plain ends | plain ends |
Packing: | outer diameter 273mm and above: piece by piece outer diameter 219mm and below: in hexagonal seaworthy bundles packed by steel strips or small sizes nested into big sizes | ||
Trade terms: | FOB/ CIF/ CFR / FCA / EXW | ||
Payment terms: | T/T or L/C |
2.chemical composition
Chemical Composition of Material | Material Composition | 201 | 202 | 304 | 316L | 430 |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
Mo | 2.0-3.0 |
3.product show
4.mechanical property
Mechanical Property | Material Item | 201 | 202 | 304 | 316 | |
Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
Hardness (HV) | <105 | <100 | <90 | <90 |